Updated on 2025/12/24

写真a

 
NOGAMI Yoshio
 
Organization
Faculty of Environmental, Life, Natural Science and Technology Professor
Position
Professor
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Degree

  • 理学修士 ( 1987.3   東京大学 )

  • 理学士 ( 1985.3   京都大学 )

  • 理学博士 ( 東京大学 )

Research Interests

  • 構造物性

  • 結晶構造

Research Areas

  • Natural Science / Magnetism, superconductivity and strongly correlated systems

  • Natural Science / Magnetism, superconductivity and strongly correlated systems  / 低次元物質

  • Natural Science / Magnetism, superconductivity and strongly correlated systems  / トポロジカル半金属

Education

  • The University of Tokyo   理学系研究科   相関理化学専攻

    1985.4 - 1989.3

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    Country: Japan

  • Kyoto University   理学部   物理学科

    1981.4 - 1985.3

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    Country: Japan

Research History

  • Okayama University   自然科学学域   Professor

    2004.4

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    Country:Japan

  • Nagoya University   理学部

    2012.4 - 2013.3

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    Country:Japan

  • パリ南大学   研究員

    2006.6 - 2006.11

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    Country:France

  • パリ南大学   研究員

    1996.3 - 1996.7

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    Country:France

  • Okayama University   理学部   Associate Professor (as old post name)

    1993.4 - 2004.3

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    Country:Japan

  • パリ南大学   研究員

    1992.11

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    Country:France

  • Kyoto University   理学部   Research Assistant

    1989.4 - 1993.3

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    Country:Japan

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Professional Memberships

Committee Memberships

  • 日本物理学会   代議員  

    2013.4 - 2015.3   

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    Committee type:Academic society

 

Papers

  • Structural and electrical properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mi>SbTe</mml:mi> </mml:mrow> </mml:math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mo>(</mml:mo> <mml:mi>R</mml:mi> <mml:mo>=</mml:mo> <mml:mi>La</mml:mi> <mml:mo>,</mml:mo> <mml:mo> </mml:mo> <mml:mi mathvariant="normal">Y</mml:mi> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> nodal-line semimetals with tunable band filling

    Haruka Kageyama, Atsushi Maebara, Yoshio Nogami, Ryusuke Kondo

    Physical Review B   112 ( 24 )   2025.12

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    Publishing type:Research paper (scientific journal)   Publisher:American Physical Society (APS)  

    DOI: 10.1103/jmlt-7q5r

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    Other Link: http://harvest.aps.org/v2/journals/articles/10.1103/jmlt-7q5r/fulltext

  • Highly isotropic in-plane upper critical field in the anisotropic s-wave superconductor 2H-NbSe2 Reviewed

    S. Yasuzuka, S. Uji, S. Sugiura, T. Terashima, Y. Nogami, K. Ichimura, S. Tanda

    J. Supercond. Nov. Magn.   33 ( 4 )   953 - 958   2019.11

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    DOI: 10.1007/s10948-019-05333-z

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  • Multiple charge density waves compete in ternary rare-earth nickel carbides, RNiC2 (R: Y, Dy, Ho, and Er) Reviewed

    Maeda Hiroyuki, Kondo Ryusuke, Nogami Yoshio

    PHYSICAL REVIEW B   100 ( 10 )   2019.9

  • In-plane anisotropy of upper critical field in 2H-NbSe2

    Yasuzuka S., Uji S., Sugiura S., Terashima T., Nogami Y., Ichimura K., Tanda S.

    Meeting Abstracts of the Physical Society of Japan   73.2   1189 - 1189   2018

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    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.73.2.0_1189

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  • A new strategy for inducing dipole moments in charge-transfer complexes: introduction of asymmetry into axially ligated iron phthalocyanines Reviewed

    Masaki Matsuda, Sayaka Iwamura, Yumi Hamada, Hiroko Ohishi, Miki Nishi, Yoshio Nogami, Mitsuo Ikeda, Akinori Kanda, Yusuke Funasako, Tomoyuki Mochida, Akiko Nakao, Noriaki Hanasaki

    DALTON TRANSACTIONS   46 ( 35 )   11800 - 11805   2017.9

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    DOI: 10.1039/c7dt02605f

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  • Interplay between charge density wave and antiferromagnetic order in GdNiC2 Reviewed

    N. Hanasaki, S. Shimomura, K. Mikami, Y. Nogami, H. Nakao, H. Onodera

    PHYSICAL REVIEW B   95 ( 8 )   2017.2

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    DOI: 10.1103/PhysRevB.95.085103

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  • Possible charge order structure of stoichiometric YbFe2O4 Reviewed

    Kosuke Fujiwara, Tomoyuki Karasudani, Mamoru Fukunaga, Hiroyuki Kobayashi, Jun Kano, Pierre-Eymeric Janolin, Jean-Michel Kiat, Yoshio Nogami, Ryusuke Kondo, Naoshi Ikeda

    FERROELECTRICS   512 ( 1 )   85 - 91   2017

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1080/00150193.2017.1349945

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  • Observation of all-in type tetrahedral displacements in nonmagnetic pyrochlore niobates Reviewed

    S. Torigoe, Y. Ishimoto, Y. Aoishi, H. Murakawa, D. Matsumura, K. Yoshii, Y. Yoneda, Y. Nishihata, K. Kodama, K. Tomiyasu, K. Ikeda, H. Nakao, Y. Nogami, N. Ikeda, T. Otomo, N. Hanasaki

    PHYSICAL REVIEW B   93 ( 8 )   2016.2

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    DOI: 10.1103/PhysRevB.93.085109

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  • Development of x-ray monochromatic Laue Camera under magnetic fields at low temperatures,and its application to Ternary Rare-Earth Nickel Carbides, RNiC2

    Kondo Ryusuke, Ai Yukio, Nogami Yoshio

    Meeting Abstracts of the Physical Society of Japan   71   1806 - 1806   2016

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    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.2.0_1806

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  • Photoinduced switching to metallic states in the two-dimensional organic Mott insulator dimethylphenazine-tetrafluorotetracyanoquinodimethane with anisotropic molecular stacks Reviewed

    Matsuzaki Hiroyuki, Ohkura Masa-aki, Ishige Yu, Nogami Yoshio, Okamoto Hiroshi

    PHYSICAL REVIEW B   91 ( 24 )   2015.6

  • Photoinduced switching to metallic states in the two-dimensional organic Mott insulator dimethylphenazine-tetrafluorotetracyanoquinodimethane with anisotropic molecular stacks Reviewed

    Hiroyuki Matsuzaki, Masa-aki Ohkura, Yu Ishige, Yoshio Nogami, Hiroshi Okamoto

    PHYSICAL REVIEW B   91 ( 24 )   2015.6

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    DOI: 10.1103/PhysRevB.91.245140

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  • 23pBE-12 Observation of Charge Singlet State in Pyrochlore Niobates

    Torigoe S., Aoishi Y., Murakawa H., Matsumura D., Yoshii K., Yoneda Y., Kodama K., Ikeda K., Tomiyasu K., Nakao H., Otomo T., Nogami Y., Hanasaki N.

    Meeting Abstracts of the Physical Society of Japan   70   2325 - 2325   2015

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.70.1.0_2325

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  • 22pBA-17 Hall Effect of the rare-earth compounds, RNiC_2(R=La, Ce)

    Nomura K., Kondo R., Nogami Y.

    Meeting Abstracts of the Physical Society of Japan   70   2234 - 2234   2015

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.70.1.0_2234

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  • Interplay of Charge-Density Wave and Magnetic Order in Ternary Rare-Earth Nickel Carbides, RNiC2 (R = Pr and Nd) Reviewed

    Nobuki Yamamoto, Ryusuke Kondo, Hiroyuki Maeda, Yoshio Nogami

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   82 ( 12 )   2013.12

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    DOI: 10.7566/JPSJ.82.123701

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  • X-ray crystal structure analysis and Ru valence of Ba<inf>4</inf>Ru <inf>3</inf>O<inf>10</inf> single crystals Reviewed

    Taichi Igarashi, Yoshio Nogami, Yannick Klein, Gwenaelle Rousse, Ryuji Okazaki, Hiroki Taniguchi, Yukio Yasui, Ichiro Terasaki

    Journal of the Physical Society of Japan   82 ( 10 )   2013.10

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    DOI: 10.7566/JPSJ.82.104603

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  • Emergence of superconductivity at 45 K by lanthanum and phosphorus co-doping of CaFe2As2 Reviewed

    Kazutaka Kudo, Keita Iba, Masaya Takasuga, Yutaka Kitahama, Jun-ichi Matsumura, Masataka Danura, Yoshio Nogami, Minoru Nohara

    SCIENTIFIC REPORTS   3   1478   2013.3

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    DOI: 10.1038/srep01478

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  • Thermoelectric Effect in Hexagonal Tungsten Oxides Reviewed

    T. Okusako, T. Tokuyama, K. Mikami, Y. Nogami, N. Hanasaki

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   81   2012.12

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    DOI: 10.1143/JPSJS.81SB.SB028

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  • Magnetic field switching of the charge-density-wave state in the lanthanide intermetallic SmNiC2 Reviewed

    N. Hanasaki, Y. Nogami, M. Kakinuma, S. Shimomura, M. Kosaka, H. Onodera

    PHYSICAL REVIEW B   85 ( 9 )   2012.3

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevB.85.092402

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  • Optical and structural studies of a two-dimensional organic Mott insulator dimethylphenazine-tetrafluorotetracyanoquinodimethane

    M. Ohkura, Y. Ishige, R. Sawada, H. Matsuzaki, H. Matsuzaki, Y. Nogami, H. Nishikawa, M. Yamashita, S. Horiuchi, S. Horiuchi, H. Okamoto, H. Okamoto, H. Okamoto

    Physical Review B - Condensed Matter and Materials Physics   84   2011.8

  • Optical and structural studies of a two-dimensional organic Mott insulator dimethylphenazine-tetrafluorotetracyanoquinodimethane Reviewed

    M. Ohkura, Y. Ishige, R. Sawada, H. Matsuzaki, Y. Nogami, H. Nishikawa, M. Yamashita, S. Horiuchi, H. Okamoto

    PHYSICAL REVIEW B   84 ( 8 )   2011.8

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    DOI: 10.1103/PhysRevB.84.085136

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  • X-ray Absorption Spectra in Pyrochlore Niobates Reviewed

    S. Torigoe, Y. Ishimoto, N. Hanasaki, Y. Nogami, D. Matsumura, K. Yoshii, Y. Yoneda, Y. Nishihata

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)   320   2011

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    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1088/1742-6596/320/1/012078

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  • Hydrothermal Synthesis of Hexagonal Vanadium Oxide Reviewed

    T. Tokuyama, T. Okusako, K. Mikami, N. Hanasaki, Y. Nogami

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)   320   2011

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    DOI: 10.1088/1742-6596/320/1/012073

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  • Successive Transition in Rare-earth Intermetallic Compound GdNiC(2) Reviewed

    N. Hanasaki, K. Mikami, S. Torigoe, Y. Nogami, S. Shimomura, M. Kosaka, H. Onodera

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)   320   2011

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    DOI: 10.1088/1742-6596/320/1/012072

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  • Field-Induced Successive Phase Transitions in the Charge Density Wave Organic Conductor HMTSF-TCNQ Reviewed

    Keizo Murata, Keiichi Yokogawa, Kensuke Kobayashi, Kosuke Masuda, Takahiko Sasaki, Yuki Seno, Natarajan Rani Tamilselvan, Harukazu Yoshino, James S. Brooks, Denis Jerome, Klaus Bechgaard, Mikio Uruichi, Kyuya Yakushi, Yoshio Nogami, Reizo Kato

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   79 ( 10 )   2010.10

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    DOI: 10.1143/JPSJ.79.103702

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  • Relaxation of geometrical frustration in NbSe3 topological crystals Reviewed

    T. Tsuneta, K. Yamamoto, N. Ikeda, Y. Nogami, T. Matsuura, S. Tanda

    PHYSICAL REVIEW B   82 ( 1 )   2010.7

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    DOI: 10.1103/PhysRevB.82.014105

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  • Pressure effect on the competing charge ordered states in theta-(BEDT-TTF)(2)CsZn(SCN)(4) Reviewed

    M. Watanabe, M. Osanai, Y. Dohi, Y. Ishikawa, Y. Noda, Y. Nogami, I. Terasaki, H. Mori, T. Mori

    PHYSICA B-CONDENSED MATTER   405 ( 11 )   S229 - S231   2010.6

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    DOI: 10.1016/j.physb.2010.03.018

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  • Nonequilibrium charge ordering in theta-(BEDT-TTF)(2)MM '(SCN)(4) (M=Rb, Cs; M '=Co, Zn) Reviewed

    Ichiro Terasaki, Shuichi Tasaki, Shigeru Ajisaka, Yoshio Nogami, Noriaki Hanasaki, Masashi Watanabe, Hatsumi Mori, Takehiko Mori

    PHYSICA B-CONDENSED MATTER   405 ( 11 )   S217 - S220   2010.6

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    DOI: 10.1016/j.physb.2009.11.073

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  • Charge Order Competition Leading to Nonlinearity in Organic Thyristor Family Reviewed

    Yoshio Nogami, Noriaki Hanasaki, Masashi Watanabe, Kenichiro Yamamoto, Takayoshi Ito, Naoshi Ikeda, Hiroyuki Ohsumi, Hidenori Toyokawa, Yukio Noda, Ichiro Terasaki, Hatsumi Mori, Takehiko Mori

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   79 ( 4 )   2010.4

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    DOI: 10.1143/JPSJ.79.044606

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  • Interplay of charge-density waves and superconductivity in the organic conductor beta ''-(BEDT-TTF)(2)AuBr2 Reviewed

    Ryusuke Kondo, Momoka Higa, Seiichi Kagoshima, Noriaki Hanasaki, Yoshio Nogami, Hiroyuki Nishikawa

    PHYSICAL REVIEW B   81 ( 2 )   2010.1

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    DOI: 10.1103/PhysRevB.81.024519

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  • Commensurate-incommensurate urate transition of charge density waves in o-TaS3 Reviewed

    K. Inagaki, M. Tsubota, K. Ichimura, S. Tanda, K. Yamamoto, N. Hanasaki, Y. Nogami, N. Ikeda, T. Ito, H. Toyokawa

    PHYSICA B-CONDENSED MATTER   404 ( 3-4 )   396 - 398   2009.3

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    DOI: 10.1016/j.physb.2008.11.017

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  • Current-Density Dependence of the Charge-Ordering Gap in the Organic Salt theta-(BEDT-TTF)(2)CsM(SCN)(4) (M = Zn, Co, and Co0.7Zn0.3) Reviewed

    Fumiaki Sawano, Tomohiro Suko, Taichi S. Inada, Shuichi Tasaki, Ichiro Terasaki, Hatsumi Mori, Takehiko Mori, Yoshio Nogami, Naoshi Ikeda, Masashi Watanabe, Yukio Noda

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 2 )   2009.2

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    DOI: 10.1143/JPSJ.78.024714

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  • Synchrotron X-ray study of charge density waves in o-TaS3 Reviewed

    K. Inagaki, M. Tsubota, K. Ichimura, S. Tanda, K. Yamamoto, N. Hanasaki, Y. Nogami, N. Ikeda, T. Ito, H. Toyokawa

    25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 4   150   2009

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    DOI: 10.1088/1742-6596/150/4/042068

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  • Temperature and electric-current dependence of charge-ordered domains in theta-(BEDT-TTF)(2)CsZn(SCN)(4) Reviewed

    T. Ito, M. Watanabe, K. -I. Yamamoto, N. Ikeda, Y. Nogami, Y. Noda, H. Mori, T. Mori, I. Terasaki

    EPL   84 ( 2 )   2008.10

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    DOI: 10.1209/0295-5075/84/26002

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  • Field-induced discommensuration in charge density waves in o-TaS3 Reviewed

    Katsuhiko Inagaki, Masakatsu Tsubota, Kazuki Higashiyama, Koichi Ichimura, Satoshi Tanda, Kenichiro Yamamoto, Noriaki Hanasaki, Naoshi Ikeda, Yoshio Nogami, Takayoshi Ito, Hidenori Toyokawa

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 9 )   2008.9

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    DOI: 10.1143/JPSJ.77.093708

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  • Hump Like Resistance Anomaly in Organic Conductor β"-(BEDT-TTF)_2CsCd(SCN)_4

    KONDO Ryusuke, OTSUJI Jun, KAGOSHIMA Seiichi, NOGAMI Yoshio

    Journal of the Physical Society of Japan   77 ( 6 )   "63702 - 1"-"63702-4"   2008.6

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    We investigate the low-temperature electronic phase of a two-dimensional organic conductor, β&quot;-(BEDT-TTF)_2CsCd(SCN)_4 [where BEDT-TTF denotes bis(ethylenedithio)tetrathiafulvalene], which has a large hump between 32 and around 5K in the temperature dependence of the interlayer resistance. We present experimental results for the temperature dependence of the resistance under magnetic fields and its Kohler plots, and an x-ray diffraction study. We find that I) Kohler&#039;s rule is strongly violated below 32K, although the rule is valid above 32K, and II) weak superlattice spots appear at 15.6K in the x-ray study. On the basis of the experimental results, we suggest that the origin of the resistance hump is the formation of a possible charge density wave transition at about 32K by the nesting of a pair of large one-dimensional Fermi surfaces obtained in the electronic structure calculation based on the crystal structure at room temperature.

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  • Non-thermal evidence for current-induced melting of charge order in theta-(BEDT-TTF)(2)CsZn(SCN)(4) Reviewed

    Masashi Watanabe, Kenichiro Yamamoto, Takayoshi Ito, Yusaku Nakashima, Makoto Tanabe, Noriaki Hanasaki, Naoshi Ikeda, Yoshio Nogami, Hiroyuki Ohsumi, Hidenori Toyokawa, Yukio Noda, Ichiro Terasaki, Fumiaki Sawano, Tomohiro Suko, Hatsumi Mori, Takehiko Mori

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 6 )   2008.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1143/JPSJ.77.065004

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  • Hump like resistance anomaly in organic conductor beta ''-(BEDT-TTF)(2)CsCd(SCN)(4) Reviewed

    Ryusuke Kondo, Jun Otsuji, Seiichi Kagoshima, Yoshio Nogami

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 6 )   2008.6

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    DOI: 10.1143/JPSJ.77.063702

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  • Relaxation of geometrical frustration in NbSe3 topological crystals Reviewed

    Tsuneta Taku, Nogami Yoshio, Yamamoto Kenichirou, Ikeda Naoshi, Tanda Satoshi

    ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES   64   C509 - C509   2008

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  • Spin-Peierls transition in the charge-ordered organic conductor theta-BEDT-TTF2RbZn(SCN)(4) Reviewed

    Masashi Watanabe, Yukio Noda, Yoshio Nogami, Hatsumi Mori

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   76 ( 12 )   2007.12

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    DOI: 10.1143/JPSJ.76.124602

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  • Charge ordering in organic conductors Reviewed

    Toshihiro Takahashi, Yoshio Nogami, Kyuya Yakushi

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   75 ( 5 )   2006.5

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  • Is the two dimensional organic Conductor, iota-(EDO-S,S-DMEDT-TTF)(2)(AuCl2)(1+y) clean or dirty? Reviewed

    T. Nakanishi, S. Yasuzuka, M. Teramura, L. Li, T. Fujimoto, T. Sasaki, T. Konoike, T. Terashima, S. Uji, Y. Nogami, G. C. Anyfantis, G. C. Papavassiliou, Keizo Murata

    JOURNAL OF LOW TEMPERATURE PHYSICS   142 ( 3-4 )   247 - 252   2006.2

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    DOI: 10.1007/s10909-006-9195-7

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  • クリスタリット

    坂田 修身, 乾 雅祝, 大高 理, 木原 國昭, 大嶋 建一, 石沢 伸夫, 八島 正知, 川路 均, 道上 勇一, 野上 由夫, 福永 俊晴

    日本結晶学会誌   48 ( 1 )   92 - 96   2006

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    Language:Japanese   Publisher:日本結晶学会  

    DOI: 10.5940/jcrsj.48.92

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  • X-ray and neutron transparent pulse magnets Reviewed

    E. Ohmichi, N. Ikeda, Y. Nogami, T. Osada

    YAMADA CONFERENCE LX ON RESEARCH IN HIGH MAGNETIC FIELDS   51   498 - +   2006

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    DOI: 10.1088/174-6596/51/1/113

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  • X-ray structural study of charge and anion orderings of TMTTF salts Reviewed

    Y Nogami, T Ito, K Yamamoto, N Irie, S Horita, T Kambe, N Nagao, K Oshima, N Ikeda, T Nakamura

    JOURNAL DE PHYSIQUE IV   131   39 - 42   2005.12

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    DOI: 10.1051/jp4:2005131008

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  • Evidence of band-filling control of tau-type organic conductors by thermal treatment Reviewed

    H Yoshino, T Nakanishi, L Li, K Murata, D Graf, ES Choi, JS Brooks, Y Nogami, GC Papavassiliou

    SYNTHETIC METALS   153 ( 1-3 )   453 - 456   2005.9

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    DOI: 10.1016/j.synthmet.2005.07.329

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  • An organic thyristor Reviewed

    F Sawano, Terasaki, I, H Mori, T Mori, M Watanabe, N Ikeda, Y Nogami, Y Noda

    NATURE   437 ( 7058 )   522 - 524   2005.9

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    DOI: 10.1038/nature04087

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  • Determination of band-filling change in the two-dimensional organic conductor, tau-(EDO-S,S-DMEDT-TTF)(2)(AuBr2)(1+y), (y &lt;= 0.875) by the quantum oscillation of magnetoresistance Reviewed

    H Yoshino, K Murata, T Nakanishi, L Li, ES Choi, D Graf, JS Brooks, Y Nogami, GC Papavassiliou

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   74 ( 1 )   417 - 424   2005.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1143/JPSJ.74.417

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  • Determination of band-filling change in the two-dimensional organic conductor, tau-(EDO-S,S-DMEDT-TTF)(2)(AuBr2)(1+y), (y &lt;= 0.875) by the quantum oscillation of magnetoresistance

    H Yoshino, K Murata, T Nakanishi, L Li, ES Choi, D Graf, JS Brooks, Y Nogami, GC Papavassiliou

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   74 ( 1 )   417 - 424   2005.1

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  • Structural phase transition in two-dimensional kagome antiferromagnet m-N-methylpyridinium alpha-nitronyl nitroxide center dot BF4 center dot 1/3(Acetone) Reviewed

    T Kambe, Y Nogami, K Oshima, W Fujita, K Awaga

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   73 ( 4 )   796 - 799   2004.4

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  • Structural phase transition of theta-(BEDT-TTF)(2)RbZn(SCN)(4) under high pressure Reviewed

    M Watanabe, Y Noda, Y Nogami, H Mori

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   73 ( 4 )   921 - 925   2004.4

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  • Transfer integrals and the spatial pattern of charge ordering in theta-(BEDT-TTF)(2)RbZn(SCN)(4) at 90 K Reviewed

    M Watanabe, Y Noda, Y Nogami, H Mori

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   73 ( 1 )   116 - 122   2004.1

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  • High field Fermi surfaces studied by AMRO in eta-Mo4O11 Reviewed

    K Oshima, T Kambe, Y Nogami, T Sasaki

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   18 ( 1-3 )   198 - 199   2003.5

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  • Effects of tungsten doping on the CDW states of eta-Mo4O11 Reviewed

    T Kambe, S Tsuboi, N Nagao, Y Nogami, K Oshima

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   18 ( 1-3 )   196 - 197   2003.5

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    DOI: 10.1016/S1386-9477(02)00963-3

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  • Shubnikov-de Haas oscillations and Fermi surface of tau-phase conductors Reviewed

    T Konoike, K Iwashita, Nakano, I, H Yoshino, T Sasaki, Y Nogami, JS Brooks, D Graf, CH Mielke, GC Papavassiliou, K Murata

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   18 ( 1-3 )   188 - 189   2003.5

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  • X-ray study of modulated structures of beta '-CuxV2O5 (x=0.29,0.39)

    N Nagao, Y Nogami, K Oshima, H Yamada, Y Ueda

    PHYSICA B-CONDENSED MATTER   329 ( 329 )   713 - 714   2003.5

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  • X-ray study of modulated structures of beta '-CuxV2O5 (x=0.29,0.39) Reviewed

    N Nagao, Y Nogami, K Oshima, H Yamada, Y Ueda

    PHYSICA B-CONDENSED MATTER   329   713 - 714   2003.5

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  • Shubnikov-de Haas oscillations and low temperature electronic structure in tau-phase conductors Reviewed

    T Konoike, K Iwashita, Nakano, I, H Yoshino, T Sasaki, T Takahashi, Y Nogami, JS Brooks, D Graf, CH Mielke, GC Papavassiliou, K Murata

    SYNTHETIC METALS   135 ( 1-3 )   615 - 616   2003.4

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  • Superlattice structural analysis of (TTM-TTP)I-3 at low temperatures Reviewed

    Y Nogami, T Kambe, N Fujimura, K Oshima, T Mori, T Kawamoto

    SYNTHETIC METALS   135 ( 1-3 )   637 - 638   2003.4

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  • Investigation of X-ray diffuse scattering in theta-(BEDT-TTF)(2)RbM '(SCN)(4) Reviewed

    M Watanabe, Y Noda, Y Nogami, H Mori

    SYNTHETIC METALS   135 ( 1-3 )   665 - 666   2003.4

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    DOI: 10.1016/S0379-6779(02)00769-5

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  • Fermi surface and low temperature structure in (DMET-TSeF)(2)Au(CN)(2) Reviewed

    K Kato, K Oshima, T Kambe, Y Nogami, T Sasaki, M Motokawa, R Kato

    SYNTHETIC METALS   135 ( 1-3 )   577 - 578   2003.4

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  • Magnetic investigation of itinerant and local hybrid spins system, (CHTM-TTP)(2)TCNQ Reviewed

    T Nakamura, M Taniguchi, Y Misaki, K Tanaka, Y Nogami

    SYNTHETIC METALS   133   441 - 442   2003.3

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    DOI: 10.1016/S0379-6779(02)00274-6

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  • Magnetic properties of TDAE-C-70-toluene Reviewed

    K Oshima, T Kambe, M Fujiwara, Y Nogami

    SYNTHETIC METALS   133   699 - 701   2003.3

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  • Structural phase transition in theta-(BEDT-TTF)(2)RbM '(SCN)(4) (M ' = Zn, Co) Reviewed

    M Watanabe, Y Noda, Y Nogami, H Mori, S Tanaka

    SYNTHETIC METALS   133   283 - 285   2003.3

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  • The charge ordered state and the possible 2k(F)-CDW state with Fermi surface nesting in organic conductor 0-(BEDT-TTF)(2)MM'(SCN)(4) (MM '= RbZn, CsCo) Reviewed

    M Watanabe, Y Noda, Y Nogami, K Oshima, H Mori

    JOURNAL DE PHYSIQUE IV   12 ( PR9 )   231 - 232   2002.11

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    DOI: 10.1051/jp4:20020401

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  • Unusual 2k(F) CDW state with enhanced charge ordering in beta-(BEDT-TTF)(2)AsF6 and PF6 Reviewed

    Y Nogami, T Mori

    JOURNAL DE PHYSIQUE IV   12 ( PR9 )   233 - 234   2002.11

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    DOI: 10.1051/jp4:20020402

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  • X-ray observation of 2k(F) and 4k(F) charge orderings in (TMTTF)(2)ReO4 and (TMTTF)(2)SCN associated with anion orderings Reviewed

    Y Nogami, T Nakamura

    JOURNAL DE PHYSIQUE IV   12 ( PR9 )   145 - 148   2002.11

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  • Microscopic investigation of a new two-component organic conductor with itinerant and localized spins: (CHTM-TTP)(2)TCNQ Reviewed

    T Nakamura, M Taniguchi, Y Misaki, K Tanaka, Y Nogami

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   71 ( 9 )   2208 - 2215   2002.9

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  • ESR investigation of organic conductor with itinerant and local spins, (CHTM-TTP)(2)TCNQ Reviewed

    T Nakamura, M Taniguchi, Y Misaki, K Tanaka, Y Nogami

    EPR IN THE 21ST CENTURY: BASICS AND APPLICATIONS TO MATERIAL, LIFE AND EARTH SCIENCES   192 - 196   2002

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    DOI: 10.1016/B978-044450973-4/50035-4

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  • Low temperature X-ray and ESR study of Quasi-1D DMTCA-BF4 (C = S, Se) with half-filled band Reviewed

    T Kambe, N Fujimura, Y Nogami, K Oshima, K Yakushi, J Dong, K Takimiya, T Otsubo

    SYNTHETIC METALS   120 ( 1-3 )   931 - 932   2001.3

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    DOI: 10.1016/S0379-6779(00)01126-7

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  • Two incommensurate CDWs in low-dimensional conductor eta-Mo4O11 Reviewed

    Y Nogami, T Kambe, N Nagao, K Oshima

    SYNTHETIC METALS   120 ( 1-3 )   1049 - 1050   2001.3

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    DOI: 10.1016/S0379-6779(00)01192-9

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  • The structural and magnetic properties in TDAE-fullerene system Reviewed

    K Oshima, Y Nogami, T Kambe, N Nagao, M Fujiwara

    NANONETWORK MATERIALS: FULLERENES, NANOTUBES AND RELATED SYSTEMS   590   393 - 396   2001

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  • Annealing effects on the magnetic and structural properties of single-crystal TDAE-C-60 Reviewed

    T Kambe, Y Nogami, K Oshima

    PHYSICAL REVIEW B   61 ( 2 )   R862 - R865   2000.1

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    DOI: 10.1103/PhysRevB.61.R862

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  • X-ray structural study of 4k(F) Wigner crystal and 4k(F) Peierls state in DCNQI complex with 1/4 filled quasi one-dimensional band Reviewed

    Y Nogami, K Oshima, K Hiraki, K Kanoda

    JOURNAL DE PHYSIQUE IV   9 ( P10 )   357 - 359   1999.12

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    DOI: 10.1051/jp4:19991095

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  • Novel pressure-induced 2k(F) CDW state in organic low-dimensional compound theta-(BEDT-TTF)(2)CsCo(SCN)(4) Reviewed

    M Watanabe, Y Nogami, K Oshima, H Mori, S Tanaka

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   68 ( 8 )   2654 - 2663   1999.8

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  • Annealing effects on organic ferromagnet C-60-TDAE Reviewed

    T Kambe, H Negawa, Y Nogami, K Oshima

    SYNTHETIC METALS   103 ( 1-3 )   2424 - 2424   1999.6

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    DOI: 10.1016/S0379-6779(98)00702-4

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  • Soliton dynamics in TTF-CA Reviewed

    T Kambe, Y Nogami, K Oshima, Y Takashi, H Sakai, S Koshihara

    SYNTHETIC METALS   103 ( 1-3 )   1824 - 1824   1999.6

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  • Low Temperature X-Ray and ESR study of one-dimensional compound (TTM-TTP)I-3 Reviewed

    N Fujimura, A Namba, T Kambe, Y Nogami, K Oshima, T Mori, T Kawamoto, Y Misaki, T Yamabe

    SYNTHETIC METALS   103 ( 1-3 )   2111 - 2112   1999.6

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  • Low temperature superstructure and transfer integrals in kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X : X = Cl, Br Reviewed

    M Watanabe, Y Nogami, K Oshima, H Ito, T Ishiguro, G Saito

    SYNTHETIC METALS   103 ( 1-3 )   1909 - 1910   1999.6

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  • X-ray structural study of 4k(F) superlattice in (DIDCNQI)(2)Ag Reviewed

    Y Nogami, R Moret, JP Pouget, Y Yamamoto, K Oshima, K Hiraki, K Kanoda

    SYNTHETIC METALS   102 ( 1-3 )   1778 - 1778   1999.6

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  • Structural modulation in theta-(BEDT-TTF)(2)CsM '(SCN)(4)[M '=Co, Zn] Reviewed

    Y Nogami, JP Pouget, M Watanabe, K Oshima, H Mori, S Tanaka, T Mori

    SYNTHETIC METALS   103 ( 1-3 )   1911 - 1911   1999.6

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    DOI: 10.1016/S0379-6779(98)00616-X

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  • High pressure structure of (DIDCNQI)(2)Cu Reviewed

    Nogami Y, Yamamoto Y, Hayashi S, Oshima K, Hiraki H, Kanoda K

    SYNTHETIC METALS   103 ( 1-3 )   2252   1999.6

  • Low Temperature and High Pressure Structure Study of Low Dimensional Organic Compounds

    NOGAMI Yoshio, OSHIMA Kokichi

    X-RAYS   41 ( 1 )   48 - 56   1999.2

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    Various ground states such as superconductivity, Mott insulator, CDW and charge ordering for low-dimensional organic complexes, are studied using X-ray. Techniques including homemade cameras and know-hows for low temperature and high pressure X-ray measurements are presented.

    DOI: 10.5940/jcrsj.41.48

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  • High Pressure Structures of Organic Low Dimensional Conductor DCNQI Compounds Reviewed

    Y. Nogami, S. Hayashi, T. Date, K. Oshima, K. Hiraki, K. Kanoda, K. Hiraki, K. Kanoda

    Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu   7   404 - 406   1998

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  • Low temperature structure of the alpha PRIME;-(BEDT-TTF)(2)IBr2 organic magnetic semiconductor Reviewed

    M Watanabe, M Nishikawa, Y Nogami, K Oshima, G Saito

    JOURNAL OF THE KOREAN PHYSICAL SOCIETY   31 ( 1 )   95 - 98   1997.7

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  • Low temperature structures of (BEDT-TTF)(3)CuBr4 Reviewed

    M Watanabe, Y Nogami, K Oshima, J Yamaura, T Enoki, G Saito

    SYNTHETIC METALS   86 ( 1-3 )   1983 - 1984   1997.2

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  • Single crystal X-ray study of pressure-induced metal-insulator transition in (DMeDCNQI)(2)Cu Reviewed

    Y Nogami, T Date, K Oshima, O Arimoto

    SYNTHETIC METALS   86 ( 1-3 )   2073 - 2074   1997.2

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  • Characteristic SDW and FISDW behavior in (DMET-TSeF)(2)X system Reviewed

    K Oshima, H Okuno, H Fujimura, Y Nogami, S Aonuma, R Kato

    SYNTHETIC METALS   86 ( 1-3 )   1965 - 1966   1997.2

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  • A new highly conductive BO-(MeO)(2)TCNQ Langmuir-Blodgett film Reviewed

    K Ogasawara, T Ishiguro, S Horiuchi, H Yamochi, G Saito, Y Nogami

    SYNTHETIC METALS   86 ( 1-3 )   1835 - 1836   1997.2

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    DOI: 10.1016/S0379-6779(97)80927-7

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  • Percolation conduction in BO-C(10)TCNQ conductive Langmuir-Blodgett films Reviewed

    K Ogasawara, T Ishiguro, S Horiuchi, H Yamochi, G Saito, Y Nogami

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   58 ( 1 )   39 - 49   1997.1

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    DOI: 10.1016/S0022-3697(96)00098-4

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  • Structural phase transition in (BEDT-TTF)(3)CuBr4 at 60 K Reviewed

    M Watanabe, Y Nogami, K Oshima, JI Yamaura, T Enoki, G Saito

    SOLID STATE COMMUNICATIONS   100 ( 11 )   755 - 758   1996.12

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    DOI: 10.1016/S0038-1098(96)00512-1

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  • Structural study of the highly conductive tridecylmethylammonium-Au(dmit)(2) Langmuir-Blodgett films Reviewed

    H Matsuzaki, K Ogasawara, T Ishiguro, Y Nogami, M Taoda, H Tachibana, M Matsumoto, T Nakamura

    SYNTHETIC METALS   74 ( 3 )   251 - 255   1995.10

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  • STRUCTURAL STUDY OF NEUTRAL-IONIC TRANSITION IN DMTTF-CA Reviewed

    Y NOGAMI, M TAODA, K OSHIMA, S AOKI, T NAKAYAMA, A MIURA

    SYNTHETIC METALS   70 ( 1-3 )   1219 - 1220   1995.3

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  • TEMPERATURE-DEPENDENCE OF LOCAL-STRUCTURE OF RB3C60 SUPERCONDUCTOR Reviewed

    T FUJIMOTO, Y KUBOZONO, H MAEDA, S EMURA, H ISHIDA, K OSHIMA, K KATO, S KASHINO, H YAMAZAKI, T ISHII, Y NOGAMI

    FULLERENE SCIENCE AND TECHNOLOGY   3 ( 1 )   69 - 77   1995

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    DOI: 10.1080/153638X9508545734

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  • LOCAL-STRUCTURE OF METAL-IONS IN ARACHIDATE LANGMUIR-BLODGETT-FILM Reviewed

    S TAKEUCHI, Y NOGAMI, T ISHIGURO, H OYANAGI

    THIN SOLID FILMS   250 ( 1-2 )   243 - 248   1994.10

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  • RECENT STRUCTURAL INVESTIGATIONS OF METALLIC POLYMERS Reviewed

    JP POUGET, Z OBLAKOWSKI, Y NOGAMI, PA ALBOUY, M LARIDJANI, EJ OH, Y MIN, AG MACDIARMID, J TSUKAMOTO, T ISHIGURO, AJ EPSTEIN

    SYNTHETIC METALS   65 ( 2-3 )   131 - 140   1994.8

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    DOI: 10.1016/0379-6779(94)90174-0

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  • LOW-TEMPERATURE MAGNETORESISTANCE OF HIGHLY CONDUCTIVE POLYACETYLENE Reviewed

    H KANEKO, Y NOGAMI, T ISHIGURO

    PHYSICA B   194   1327 - 1328   1994.2

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    DOI: 10.1016/0921-4526(94)90993-8

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  • OBSERVATION OF PHONON STOP BAND IN LANGMUIR-BLODGETT MULTILAYER FILM Reviewed

    S TAKEUCHI, Y NOGAMI, T ISHIGURO

    PHYSICA B   194   473 - 474   1994.2

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    DOI: 10.1016/0921-4526(94)90566-5

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  • STRUCTURE OF HIGHLY CONDUCTING PF6--DOPED POLYPYRROLE Reviewed

    Y NOGAMI, JP POUGET, T ISHIGURO

    SYNTHETIC METALS   62 ( 3 )   257 - 263   1994.2

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  • SUPERLATTICE STRUCTURAL TRANSITION IN THE ORGANIC SUPERCONDUCTOR KAPPA-(BEDT-TTF)(2)CU[N(CN)(2)]BR Reviewed

    Y NOGAMI, JP POUGET, H ITO, T ISHIGURO, G SAITO

    SOLID STATE COMMUNICATIONS   89 ( 2 )   113 - 116   1994.1

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  • 低次元物質の相転移

    野上 由夫

    日本結晶学会誌   36 ( 0 )   17 - 18   1994

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    DOI: 10.5940/jcrsj.36.Supplement_17

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  • HIGH-RESOLUTION X-RAY STUDY ON ANOMALOUS DIFFRACTION PEAK SHIFT IN DIMERIZED LANGMUIR-BLODGETT SUPERLATTICE FILMS Reviewed

    Y NOGAMI, K OGASAWARA, S TAKEUCHI, T ISHIGURO, T NAKAJIMA, K OHSUMI, Y SHIMIZUGAWA

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   62 ( 9 )   3114 - 3126   1993.9

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  • LOW-TEMPERATURE ELECTRICAL-CONDUCTIVITY OF HIGHLY CONDUCTING IODINE-DOPED POLYACETYLENE Reviewed

    H KANEKO, Y NOGAMI, T ISHIGURO, H NISHIYAMA, H ISHIMOTO, A TAKAHASHI, J TSUKAMOTO

    SYNTHETIC METALS   57 ( 2-3 )   4888 - 4893   1993.4

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    DOI: 10.1016/0379-6779(93)90834-J

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  • HIGH-ELECTRIC-FIELD EFFECT ON THE CONDUCTIVITY OF IODINE-DOPED POLYACETYLENE Reviewed

    Y NOGAMI, M YAMASHITA, H KANEKO, T ISHIGURO, J TSUKAMOTO, A TAKAHASHI

    SYNTHETIC METALS   57 ( 2-3 )   4854 - 4859   1993.4

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    DOI: 10.1016/0379-6779(93)90828-K

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  • NONLINEAR ELECTRICAL-CONDUCTIVITY OF HIGHLY CONDUCTING IODINE-DOPED POLYACETYLENE Reviewed

    Y NOGAMI, M YAMASHITA, H KANEKO, T ISHIGURO, A TAKAHASHI, J TSUKAMOTO

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   62 ( 2 )   664 - 671   1993.2

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  • LOGARITHMIC TEMPERATURE-DEPENDENCE OF RESISTIVITY IN HEAVILY DOPED CONDUCTING POLYMERS AT LOW-TEMPERATURE Reviewed

    T ISHIGURO, H KANEKO, Y NOGAMI, H ISHIMOTO, H NISHIYAMA, J TSUKAMOTO, A TAKAHASHI, M YAMAURA, T HAGIWARA, K SATO

    PHYSICAL REVIEW LETTERS   69 ( 4 )   660 - 663   1992.7

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  • UNUSUAL X-RAY-DIFFRACTION VECTOR SHIFT OBSERVED IN HETEROGENEOUS LANGMUIR-BLODGETT MULTILAYER FILMS Reviewed

    Y NOGAMI, K OGASAWARA, S TAKEUCHI, T ISHIGURO, K OHSUMI, Y SHIMIZUGAWA

    ELECTRICAL, OPTICAL, AND MAGNETIC PROPERTIES OF ORGANIC SOLID STATE MATERIALS   247   835 - 840   1992

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    DOI: 10.1557/PROC-247-835

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  • SUPERCONDUCTING TRANSITION IN KAPPA-BEDT-TTF SALTS UNDER MAGNETIC-FIELD Reviewed

    H ITO, Y NOGAMI, M WATANABE, T ISHIGURO, T KOMATSU, G SAITO, N HOSOITO

    ELECTRICAL, OPTICAL, AND MAGNETIC PROPERTIES OF ORGANIC SOLID STATE MATERIALS   247   495 - 500   1992

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    DOI: 10.1557/PROC-247-495

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  • SUPERCONDUCTING TRANSITION IN KAPPA-(BEDT-TTF)2CU[N(CN)2]BR UNDER MAGNETIC-FIELD Reviewed

    H ITO, M WATANABE, Y NOGAMI, T ISHIGURO, T KOMATSU, G SAITO, N HOSOITO

    PHYSICA C   185   2659 - 2660   1991.12

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    DOI: 10.1016/0921-4534(91)91451-9

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  • Magnetic determination of ginzburg-landau coherence length for organic superconductor κ-(BEDT-TTF)2 X (X = Cu(NCS)2, CuLN(CN)2]Br): Effect of isotope substitution Reviewed

    Hiroshi Ito, Masashi Watanabe, Yoshio Nogami, Takehiko Ishiguro, Tokutaro Komatsu, Gunzi Saito, Nobuyoshi Hosoito

    Journal of the Physical Society of Japan   60 ( 10 )   3230 - 3233   1991.10

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    DOI: 10.1143/JPSJ.60.3230

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  • OVERVIEW OF ORGANIC SUPERCONDUCTOR KAPPA-(BEDT-TTF)2[CU(NCS)2] AND ITS RELATED MATERIALS Reviewed

    G SAITO, H YAMOCHI, T NAKAMURA, T KOMATSU, T ISHIGURO, Y NOGAMI, Y ITO, H MORI, K OSHIMA, M NAKASHIMA, S UCHIDA, H TAKAGI, S KAGOSHIMA, T OSADA

    SYNTHETIC METALS   42 ( 1-2 )   1993 - 1998   1991.5

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    DOI: 10.1016/0379-6779(91)91998-P

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  • TENSILE STRAIN EFFECTS ON KAPPA-(BEDT-TTF)2CU(NCS)2 Reviewed

    T ISHIGURO, H ITO, Y NOGAMI, Y UEBA, H KUSUHARA

    SYNTHETIC METALS   42 ( 1-2 )   1911 - 1914   1991.5

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    DOI: 10.1016/0379-6779(91)91979-K

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  • ELECTRONIC STATE DENSITY OF HIGHLY CONDUCTING POLYACETYLENE Reviewed

    Y NOGAMI, H KANEKO, T ISHIGURO, N HOSOITO, J TSUKAMOTO, A TAKAHASHI

    SYNTHETIC METALS   41 ( 1-2 )   117 - 120   1991.4

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    DOI: 10.1016/0379-6779(91)91015-3

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  • LOW-TEMPERATURE TRANSPORT-PROPERTIES OF HIGHLY CONDUCTING POLYACETYLENE Reviewed

    Y NOGAMI, H KANEKO, H ITO, T ARAI, A MATSUBARA, T ISHIGURO, N TOYOTA, T SASAKI, J TSUKAMOTO, A TAKAHASHI

    SYNTHETIC METALS   41 ( 1-2 )   95 - 98   1991.4

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    DOI: 10.1016/0379-6779(91)91008-X

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  • LOW-TEMPERATURE ELECTRICAL-CONDUCTIVITY OF HIGHLY CONDUCTING POLYACETYLENE IN A MAGNETIC-FIELD Reviewed

    NOGAMI Y, KANEKO H, ITO H, ISHIGURO T, SASAKI T, TOYOTA N, TAKAHASHI A, TSUKAMOTO J

    Physical Review B   43 ( 14 )   11829 - 11839   1991

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  • ON THE METALLIC STATES IN HIGHLY CONDUCTING IODINE-DOPED POLYACETYLENE Reviewed

    Y NOGAMI, H KANEKO, T ISHIGURO, A TAKAHASHI, J TSUKAMOTO, N HOSOITO

    SOLID STATE COMMUNICATIONS   76 ( 5 )   583 - 586   1990.11

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  • HIGH-RESOLUTION X-RAY-SCATTERING STUDY OF THE ANION ORDERING PHASE-TRANSITION OF (TMTSF)2CLO4 Reviewed

    JP POUGET, S KAGOSHIMA, T TAMEGAI, Y NOGAMI, K KUBO, T NAKAJIMA, K BECHGAARD

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   59 ( 6 )   2036 - 2053   1990.6

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  • THE SUPERSTRUCTURE OF THE ORGANIC SUPERCONDUCTOR BETA-(BEDT-TTF)2I3 UNDER PRESSURE Reviewed

    Y NOGAMI, S KAGOSHIMA, H ANZAI, M TOKUMOTO, N MORI, N KINOSHITA, G SAITO

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   59 ( 1 )   259 - 265   1990.1

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  • UNIAXIAL-STRESS EFFECTS ON ORGANIC SUPERCONDUCTOR KAPPA-(BEDT-TTF)2CU(NCS)2 Reviewed

    T ISHIGURO, H ITO, Y NOGAMI, Y UEBA, H KUSUHARA

    ORGANIC SUPERCONDUCTIVITY   123 - 131   1990

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  • STRUCTURAL STUDIES OF (TMTSF)2SBCL2F4, ALPHA-(BEDT-TTF)2L3 AND SOME ORGANIC SUPERCONDUCTORS FOUND RECENTLY Reviewed

    S KAGOSHIMA, Y NOGAMI

    JOURNAL OF MOLECULAR ELECTRONICS   5 ( 4 )   201 - 206   1989.10

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  • 2K-SUPERCONDUCTING STATE WITH LESS DISORDER IN THE ORGANIC SUPERCONDUCTOR BETA-(BEDT-TTF)2I3 Reviewed

    S KAGOSHIMA, M HASUMI, Y NOGAMI, N KINOSHITA, H ANZAI, M TOKUMOTO, G SAITO

    SOLID STATE COMMUNICATIONS   71 ( 10 )   843 - 846   1989.9

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  • A CHANGE OF THE SUPERSTRUCTURE AND AN ASSOCIATED RISE OF THE SUPERCONDUCTING CRITICAL-TEMPERATURE IN THE ORGANIC SUPERCONDUCTOR BETA-(BEDT-FFT)2I3 Reviewed

    S KAGOSHIMA, Y NOGAMI, M HASUMI, H ANZAI, M TOKUMOTO, G SAITO, N MORI

    SOLID STATE COMMUNICATIONS   69 ( 12 )   1177 - 1180   1989.3

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  • PHYSICAL-PROPERTIES OF BETA-(BEDT-TTF)2ICL2 Reviewed

    A UGAWA, Y OKAWA, K YAKUSHI, H KURODA, A KAWAMOTO, J TANAKA, M TANAKA, Y NOGAMI, S KAGOSHIMA, K MURATA, T ISHIGURO

    SYNTHETIC METALS   27 ( 1-2 )   A407 - A412   1988.12

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  • STRUCTURAL-PROPERTIES OF ORGANIC SUPERCONDUCTORS (DMET)2X AND (BEDT-TTF)2CU(NCS)2 Reviewed

    S KAGOSHIMA, Y NOGAMI

    SYNTHETIC METALS   27 ( 1-2 )   A299 - A304   1988.12

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  • X-Ray Studies of Structural Changes in Superconducting and Non-Superconducting BEDT-TTF Salts : III. Organics :

    Seiichi Kagoshima, Yoshio Nogami

    JJAP series   1   181 - 184   1988

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  • Possible Appearance of Spin-Density Waves in the Insulating Phase of the Organic Conductors, (DMET)2Au(CN)2 and (DMET)2AuI2

    Nagami Yoshio, Tanaka Masanori, Kagoshima Seiichi, Kikuchi Koichi, Saito Kazuya, Ikemoto Isao, Kobayashi Keiji

    J Phys Soc Jpn   56 ( 11 )   3783 - 3785   1987.11

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    X-ray studies show that metal-insulator transitions of the title compounds occur with no structural changes. This result suggests an appearance of spin-density waves, rather than charge-density waves, in the insulating phase.

    DOI: 10.1143/JPSJ.56.3783

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  • Magnetic and Structural Properties of the High-$T_{\text{c } }$ Superconductor Ho–Ba–Cu Oxide

    Kagoshima Seiichi, Koga Kei-ichi, Yasuoka Hiroshi, Nogami Yoshio, Kubo Koichi, Hikami Shinobu

    Jpn J Appl Phys   26 ( 4 )   L355 - L357   1987.4

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    The title material is found to have the crystal structure same as another superconductor, Y–Ba–Cu oxide. The lattice has the face-centered tetragonal symmetry and the unit cell, whose parameters are $a{=}b{=}7.81\pm 0.02$ Å and $c{=}7.665\pm 0.02$ Å, contains eight units of the perovskite structure. The magnetic susceptibility obeys essentially the Curie-Weiss formula when sufficient fields are applied. For the fields less than 200 Oe the Meissner effect is observed up to about 70 K above which a finite resistance is found. The diamagnetic susceptibility at 4.4 K reaches about 50% of a perfect diamagnetism.

    DOI: 10.1143/JJAP.26.L355

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  • Characterization of the High-$T_{\text{c } }$ Superconductor Y–Ba–Cu Oxide —Critical Current and Crystal Structure—

    Kagoshima Seiichi, Hikami Shinobu, Nogami Yoshio, Hirai Takashi, Kubo Koichi

    Jpn J Appl Phys   26 ( 4 )   L318 - L319   1987.4

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    Critical currents are measured in the title material. At 9.5 K, where an apparent resistance is zero, the critical-current density $J_{\text{c } }$ is found to be about 1.7 A/cm2 in a sintered sample. For currents smaller than $J_{\text{c } }$ the sample resistivity is less than 2.3 $\mu\Omega\cdot$cm. By X-ray diffraction the crystal structure is found to be essentially of a perovskite type. Its unit cell composed of eight units of the perovskite structure has a face-centered tetragonal symmetry with the lattice parameters $a{=}b{=}7.83\pm 0.02$ Å and $c{=}7.72\pm 0.03$ Å.

    DOI: 10.1143/JJAP.26.L318

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  • Characterization of the High-Tc Superconductors Rare-Earth–Ba–Cu Oxides–Resistivity, Susceptibility and Structure– Reviewed

    Seiichi Kagoshima, Toshihiro Takahashi, Kazushi Kanoda, Masahiko Hasumi, Takashi Hirai, Yoshio Nogami, Kei-Ichi Koga, Hiroshi Yasuoka, Hidetoshi Minami, Taizo Masumi, Shinobu Hikami

    Japanese Journal of Applied Physics   26 ( 3-2 )   1033 - 1034   1987

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    DOI: 10.7567/JJAPS.26S3.1033

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  • X-RAY EVIDENCE FOR STRUCTURAL-CHANGES IN THE ORGANIC CONDUCTORS, ALPHA-(BEDT-TTF)2I3, ALPHA-(BEDT-TTF)2IBR2 AND BETA-(BEDT-TTF)2I3 Reviewed

    Y NOGAMI, S KAGOSHIMA, T SUGANO, G SAITO

    SYNTHETIC METALS   16 ( 3 )   367 - 377   1986.12

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  • STRUCTURAL-CHANGES IN SUPERCONDUCTING BEDT-TTF SALTS

    Y NOGAMI, S KAGOSHIMA, G SAITO

    NIPPON KAGAKU KAISHI   1986 ( 3 )   490 - 496   1986.3

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  • X-RAY STUDY OF FIELD-INDUCED DEFORMATION OF SLIDING CDW IN K0.30MOO3 Reviewed

    T TAMEGAI, K TSUTSUMI, S KAGOSHIMA, Y KANAI, H TOMOZAWA, M TANI, Y NOGAMI, M SATO

    SOLID STATE COMMUNICATIONS   56 ( 1 )   13 - 16   1985

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  • Laue法による構造相転移と超格子 Reviewed

    野上由夫 ( Role: Sole author)

    日本結晶学会 日本の結晶学(II)-その輝かしい発展-竹中章郎編  2014.10 

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    Total pages:514   Responsible for pages:2   Language:Japanese Book type:Scholarly book

  • Topology in Orderd Phases

    *Yoshio Nogami他( Role: Sole author ,  Structure Analysese of Topological Crystals Using Synchrotron Radiation)

    World Scientific  2006.8 

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  • Topology in Orderd Phases

    K. Yamamoto, T. Ito, N. Ikeda, S. Horita, N. Irie, Y. Nogami, T. Tsuneta, S. Tanda( Role: Joint author ,  Development of X-ray Analysis Method for Topological Crystals)

    World Scientific  2006.8 

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    Responsible for pages:86-94   Language:English

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  • 有機擬一次元物質の秩序無秩序転移と電荷不均一化 Reviewed

    伊藤崇芳 *野上由夫

    日本結晶学会誌 48巻  2006.1 

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  • Nanonetwork Materials

    Kokichi Oshima, Yoshio Nogami*, Takashi Kambe, Nobuaki Nagao, Motoyasu Fujiwara(The Structural and Magnetic Properties in TDAE-Fullerene System)

    American Institute of Physics  2001.4 

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MISC

  • 7pBJ-4 Hall effect of rare-earth compounds RNiC_2(R=Sm,Nd)

    Nomura K., Kondo R., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   69 ( 2 )   341 - 341   2014.8

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  • 27aCJ-7 Structural phase transition in RNiC_2(R=Y,Ho,Er)

    Kondo Ryusuke, Maeda Hiroyuki, Nomura Katsufumi, Nogami Yoshio

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   550 - 550   2014.3

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  • 微弱信号検出における実験室とKEK-PFとのコラボ:有機結晶における放射線損傷の克服

    野上由夫, 近藤隆祐, 中尾朗子, 小林賢介, 熊井玲児, 山崎裕一, 中尾裕則

    物構研サイエンスフェスタ要旨集   2013   2014

  • Enhancement of Electronic Specific Heat by Trimmer Order Melting in Magnetoplumbite-type Vanadium Oxides Li_2Na_xK_<1-x>V_<10>O_<19>

    Sawai N., Tokuyama T., Murakawa H., Nogami Y., Nakao H., Kumai R., Hanasaki N.

    Meeting abstracts of the Physical Society of Japan   68 ( 2 )   562 - 562   2013.8

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  • 29aXY-11 Local order of Nb displacements in Pyrochore Niobates

    Torigoe S., Kanda N., Nogami Y., Nakao H., Murakawa H., Hanasaki N.

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   697 - 697   2013.3

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  • 27pXN-5 Crystal structure of (TMTTF)_2Br at low temperture

    Toda Atsuki, Kondo Ryusuke, Nogami Yoshio, Nakao Akiko, Kumai Reiji

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   939 - 939   2013.3

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  • 26aXZE-10 Single crystal preparation and property of RNiC_2

    Maeda H., Yamamoto N., Kondo R., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   578 - 578   2013.3

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  • 28pXX-2 Low temperature x-ray diffraction for Ba_4Ru_3O_<10> single crystals

    Igarashi T., Okazaki R., Terasaki I., Yasui Y., Nogami Y., Klein Yannick, Rousse Gwenaelle

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   679 - 679   2013.3

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  • (TMTTF)2Brの電荷不均一と(TMTSF)2PF6のSDW/CDW共存

    戸田敦基, 近藤隆祐, 野上由夫, 中尾朗子, 熊井玲児

    物構研サイエンスフェスタ要旨集   1st   2013

  • 20aFG-5 Transport properties in Magnetoplumbite-tvnc Vanadium Oxides Li_2AV_<10.5>O_<19>(A=Na, K)

    Tokuyama T., Nogami Y., Koike M., Hanasaki N.

    Meeting abstracts of the Physical Society of Japan   67 ( 2 )   497 - 497   2012.8

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  • 20aPSB-33 X-ray magnetic scattering study of TbNiC_2

    Shimomura S., Nakao H., Yamamoto N., Nogami Y., Hanasaki N., Kosaka M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   67 ( 2 )   532 - 532   2012.8

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  • 27aYC-10 Charge Density Wave and Magneto Resistance for DyNiC_2 and CeNiC_2

    Maeda H., Yamamoto N., Nogami Y., Kondo R., Hanasaki N., Shimomura S.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   685 - 685   2012.3

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  • 27aBK-4 Precursory CDW fluctuation observed above SDW transition temperature for (TMTSF)_2PF_6

    Toda A., Nogami Y., Yamamoto N., Kondo R., Hanasaki N.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   918 - 918   2012.3

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  • 24pBK-2 Symmetry Change in κ-(BEDT-TTF)_2Cu_2(CN)_3 at LT.

    Yamamoto N., Nogami Y., Kondo R., Terasaki I., Sasaki T., Maesato M., Hanasaki N., Nakao A.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   876 - 876   2012.3

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  • 25pPSB-48 Synchrotron x-ray diffraction study of RNiC_2 (R=Tb, Gd)

    Shimomura S., Nogami Y., Hanasaki N., Yamamoto N., Nakao H., Nakao A., Kosaka M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   656 - 656   2012.3

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  • 26pBK-2 Modulation Wavevector for θ-(BEDT-TTF)2CsZn(SCN)4 under Uniaxial Strain

    Nogami Y., Tanimoto Y., Kondo R., Hanasaki N.

    Meeting abstracts of the Physical Society of Japan   67 ( 1 )   907 - 907   2012.3

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  • β“-(DODHT)2AsF6の電荷秩序絶縁体転移

    新崎洋一, 西川浩之, 近藤隆祐, 中尾朗子, 熊井玲児, 野上由夫

    分子科学討論会講演プログラム&要旨(Web)   6th   2012

  • 21aPS-96 Physical properties of organic spin-ladders BIP-TENO and BIP-BNO in magnetic fields

    Hasegawa N., Yamaguchi H., Ono T., Kindo K., Suwa H., Todo S., Narumi Y., Toda A., Nogami Y., Hosokoshi Y.

    Meeting abstracts of the Physical Society of Japan   66 ( 2 )   394 - 394   2011.8

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  • 22pGC-11 Successive phase transitions in GdNiC_2 studied by x-ray diffraction and diffuse scattering

    Shimomura S., Nogami Y., Hanasaki N., Yokota K., Nakao H., Nakao A., Kosaka M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   66 ( 2 )   539 - 539   2011.8

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  • 22pGC-12 Magnetic Phase Diagram and Structural Modulation of Rare-earth Compound GdNiC_2 (II)

    Mikami K., Yokota K., Nogami Y., Hanasaki N., Shimomura S., nakao H., Kosaka M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   66 ( 2 )   539 - 539   2011.8

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  • 26pED-12 Magnetic Phase Diagram and Structural Modulation of Rare-earth Compound GdNiC_2

    Mikami K, Hanasaki N, Yokota K, Nogami Y, Shimomura S, Nakao H, Kosaka M, Onodera H

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   603 - 603   2011.3

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  • 26pED-11 Modolated structures and successive phase transitions in GdNiC_2

    Shimomura S, Nogami Y, Hanasaki N, Yokota K, Nakao H, Nakao A, Kosaka M, Onodera H

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   603 - 603   2011.3

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  • 25aTA-4 Structural study of θ-(BEDT-TTP)_2CsZn(SCN)_4 under uniaxial strain

    Kondo R, Kagoshima S, Kumai R, Nakao A, Tanimoto Y, Nogami Y, Sawa H

    Meeting abstracts of the Physical Society of Japan   66 ( 1-4 )   842 - 842   2011.3

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  • 26pTB-2 Observation of Charge Density wave and Charge Ordering in (TMTCF)_2X by X-ray and SR 1.

    Nogami Y., Toda A., Kondo R., Hanasaki N., Kambe T., Nakao A.

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   869 - 869   2011.3

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  • 26pEF-7 Hydrothermal Synthesis of Hexagonal Vanadium Oxide

    Tokuyama T., Okusako T., Mikami K., Hanasaki N., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   609 - 609   2011.3

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  • 26aTB-6 Magnetic-field-induced suppression of charge order in Phthalocyanine-molecular conductor exhibiting giant magnetoresistance.

    Tateishi T, Hanasaki N, Nogami Y, Matsuda M, Tajima H, Takigawa M, Naito T, Inabe T

    Meeting Abstracts of the Physical Society of Japan   66 ( 0 )   863 - 863   2011

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  • 23aGB-1 Geometrical charge frustration in Pyrochlore Niobates

    Torigoe S, Hanasaki N, Nogami Y, Matsumura D, Yoshii K, Yoneda Y, Nishihata Y

    Meeting Abstracts of the Physical Society of Japan   66 ( 0 )   566 - 566   2011

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  • 22aTR-8 Magnetic-field-induced Melting of Charge Order in Phthalocyanine-Molecular Conductor Exhibiting Giant Magnetoresistance

    Hanasaki N, Tateishi T, Nogami Y, Matsuda M, Tajima H, Takigawa M, Naito T, Inabe T

    Meeting Abstracts of the Physical Society of Japan   66 ( 0 )   865 - 865   2011

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  • (TMTCF)2XのCDW/COのX線放射光観察 1

    野上由夫, 戸田敦基, 近藤隆祐, 花咲徳亮, 神戸高志, 中尾朗子

    日本物理学会講演概要集   66 ( 1 )   2011

  • 一軸柱圧縮下θ-(BEDT-TTF)2CsZn(SCN)4の構造変調

    近藤隆祐, 鹿児島誠一, 熊井玲児, 中尾朗子, 谷本由衣, 野上由夫, 澤博

    日本物理学会講演概要集   66 ( 1 )   2011

  • 23pPSA-56 Magnetic Phase Diagram of Rare-earth Compound GdNiC_2

    Mikami K., Hanasaki N., Yokota K., Nogami Y., Shimomura S., Kosakai M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   524 - 524   2010.8

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  • 20pGD-4 Magnetoresistance in rare-earth intermetallic compounds RNiC_2

    Hanasaki N., Nogami Y., Yokota K., Mikami K., Kakinuma M., Shimomura S., Kosaka M., Onodera H.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   553 - 553   2010.3

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  • 20aGT-9 Low Temperature Charge Order Competition and Associated Nonlinear Conduction in Quenched θ-(BEDT-TTF)_2RbZn(SCN)_4

    Nogami Y., Ogura M., Matsuka T., Hanasaki N., Watanabe M., Noda Y., Terasaki I., Mori H., Mori T.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   857 - 857   2010.3

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  • 22pPSA-27 Structural Evidence for a SP Ground State in Si-subsitituded CuGeO_3

    Zhang Y., Nogami Y., Hanasaki N., Morigensudu, Matsuka T.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   504 - 504   2010.3

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  • 24aPS-137 X-ray Absorption Spectra and Ferroelectricity in Pyrochlore Niobates

    Nara S, Torigoe S, Hanasaki N, Nogami Y, Matsumura D, Yoshii K, Yoneda Y, Nishihata Y

    Meeting Abstracts of the Physical Society of Japan   65 ( 0 )   904 - 904   2010

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  • 25aTJ-7 Low Temperature Structure Diffraction Study of RENiC_2 under Magnetic Field

    Yokota K., Hanasaki N., Nogami Y., Shimomura S., Onodera h.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   414 - 414   2009.8

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  • 25aYC-11 Low Temperature superlattice structure in β"-(BEDT-TTF)(TCNQ)

    Ogura M., Hanasaki N., Nogami Y., Yakushi K., Yamamoto H. M., Kato R.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   732 - 732   2009.8

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  • 26aPS-35 Transport propaties of hexagonal tungsten oxide

    Okusako T., Hanasaki N., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   486 - 486   2009.8

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  • θ‐(BEDT‐TTF)2MZn(SCN)4(M=Cs,Rb)の非線形誘電率と電荷秩序ギャップ

    寺崎一郎, 稲田太一, 田崎秀一, 野上由夫, 渡邉真史, 森初果, 森健彦

    日本物理学会講演概要集   64 ( 1 )   853   2009.3

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  • θ‐(BEDT‐TTF)2MZn(SCN)4(M=Cs,Rb)の低温電荷秩序構造

    野上由夫, 山本健一郎, 柿沼光之, 小椋美鈴, 横田研太郎, 花咲徳亮, 池田直, 神戸高志, 張宇, 眞苅伸明, 立石拓麻, 渡邉真史, 小山内雅人, 野田幸男, 寺崎一郎, 稲田太一, 大西祐也, 伊藤崇芳, 豊川秀訓, 大隅寛幸, 森初果, 森健彦

    日本物理学会講演概要集   64 ( 1 )   853   2009.3

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  • 30aYF-3 Nonlinear dielectric constants and charge ordering gap in θ-(BEDT-TTF)_2MZn(SCN)_4 (M=Cs,Rb)

    Terasaki I., Inada T. S., Tasaki S., Nogami Y., Watanabe M., Mori H., Mori T.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   853 - 853   2009.3

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  • 27pTL-3 Structural study of RENiC_2 in magnetic fields

    Kakinuma M., Hanasaki N., Nogami Y., Shimomura S., Onodera H.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   562 - 562   2009.3

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  • 28pYC-1 Magnetization of Molecular Conductor TPP[Fe(Pc)(CN)_2]_2 under High Magnetic Field

    Tateishi T, Hanasaki N, Nogami Y, Tokunaga M, Matsuda M, Tajima H, Naito T, Inabe T

    Meeting Abstracts of the Physical Society of Japan   64 ( 0 )   792 - 792   2009

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  • 30aYF-2 LT CO Structure in θ-(BEDT-TTF)_2MZn(SCN)_4 (M=Cs,Rb)

    Nogami Y, Magari N, Tateishi T, Watanabe M, Osanai M, Noda Y, Terasaki I, Inada T, Onishi Y, Ito T, Toyokawa H, Yamamoto K, Ohsumi H, Mori H, Mori T, Kakinuma M, Ogura M, Yokota K, Hanasaki N, Ikeda N, Kambe T, Chou U

    Meeting Abstracts of the Physical Society of Japan   64 ( 0 )   2009

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  • 高圧下のθ‐(BEDT‐TTF)2CsZn(SCN)4における電荷秩序相と構造変調

    小山内雅人, 野田幸男, 渡邉真史, 野上由夫, 寺崎一郎, 森初果, 森健彦

    日本物理学会講演概要集   63 ( 2 )   775 - 775   2008.8

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  • θ‐(BEDT‐TTF)2RbZn(SCN)4の急冷・非線形伝導状態における電荷秩序競合と格子の変調

    渡邉真史, 山本健一郎, 柿沼光之, 野上由夫, 花咲徳亮, 池田直, 神戸高志, 横田研太郎, 伊藤崇芳, 豊川秀訓, 大隅寛幸, 小山内雅人, 野田幸男, 稲田太一, 寺崎一郎, 森初果, 森健彦

    日本物理学会講演概要集   63 ( 2 )   775 - 775   2008.8

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  • 21aTC-9 Photoemission spectroscopy in molecular conductor TPP[Fe(Pc)(CN)_2]_2

    Hanasaki N, Tanabe M, Wakita T, Muraoka Y, Yokoya T, Nogami Y, Matsuda M, Tajima H, Taketsugu T, Yu Derrick Ethelbhert C, Naito T, Inabe T

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   745 - 745   2008.8

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  • 20aYE-3 Relaxation of structural frustration in NbSe_3 topological crystals

    Tsuneta T., Yamamoto K., Ikeda N., Nogami Y., Tanda S.

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   689 - 689   2008.8

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  • Θ‐(BEDT‐TTF)2RbZn(SCN)4の超急冷相での変調構造

    山本健一郎, 花咲徳亮, 野上由夫, 柿沼光之, 横田研太郎, 池田直, 神戸高志, 渡邉真史, 野田幸男, 寺崎一郎, 稲田太一, 森初果, 森健彦, 伊藤崇芳, 豊川秀訓, 大隅寛幸

    日本物理学会講演概要集   63 ( 1 )   818   2008.2

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  • o‐TaS3における電場誘起ディスコメンシュレーション

    稲垣克彦, 坪田雅功, 東山和樹, 市村晃一, 丹田聡, 山本健一郎, 花咲徳亮, 池田直, 野上由夫, 伊藤崇芳, 豊川秀訓

    日本物理学会講演概要集   63 ( 1 )   753 - 753   2008.2

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  • θ‐(BEDT‐TTF)2CsZn(SCN)4における超格子の圧力変化

    渡邉真史, 小山内雅人, 野田幸男, 野上由夫, 寺崎一郎, 森初果, 森健彦

    日本物理学会講演概要集   63 ( 1 )   819   2008.2

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  • 23aTF-10 Diffuse streak in phthalocyanine-molecular conductor TPP[Fe(Pc)(CN)_2]_2

    Hanasaki N., Tanabe M., Nogami Y., Ikeda N., Matsuda M., Tajima H., Takigawa M., Inabe T.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   796 - 796   2008.2

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  • 24pTF-1 Modulated structure of θ-(BEDT-TTF)_2RbZn(SCN)_4 in the quenching phase

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   818 - 818   2008.2

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  • 24pTF-5 Superstructures in θ-(BEDT-TTF)_2CsZn(SCN)_4 under Pressure.

    Watanabe Masashi, Osanai Masato, Noda Yukio, Nogami Yoshio, Terasaki Ichiro, Mori Hatsumi, Mori Takehiko

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   819 - 819   2008.2

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  • 26aWB-5 Satellite reflection measurement of β"-(BEDT-TTF)_2AuBr_2

    Kakinuma M., Hanasaki N., Nogami Y., Kondo R., Kagoshina S.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   845 - 845   2008.2

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  • 26aWB-4 Electrical properties of b"-(BEDT-TTF)_2AuBr_2

    Kondo R., Kagoshima S., Kakinuma M., Hanasaki N., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   844 - 844   2008.2

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  • θ‐(BEDT‐TTF)2CsM(SCN)4における電流密度に依存するエネルギーギャップ

    寺崎一郎, 澤野文章, 須子友博, 田崎秀一, 森初果, 森健彦, 野上由夫, 池田直, 渡邉真史, 野田幸男

    日本物理学会講演概要集   62 ( 2 )   844 - 844   2007.8

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  • 時間分割2次元ディテクタを用いたθ‐(BEDT‐TTF)2CsZn(SCN)4の電流下X線回折実験

    渡邉真史, 山本健一郎, 伊藤崇芳, 花咲徳亮, 池田直, 野上由夫, 豊川秀訓, 大隅寛幸, 野田幸男, 稲田太一, 須子友博, 寺崎一郎, 森初果, 森健彦

    日本物理学会講演概要集   62 ( 2 )   844 - 844   2007.8

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  • 19pRJ-9 Low temperature structures in (TMTSF)_2X1

    Nakashima Y., Hanasaki N., Nogami Y., Kambe T., Oshima K.

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   836 - 836   2007.2

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  • 21aRA-6 Temperature variation of crystal lattice and spin-Peierls transition in θ-(BEDT-TTF)_2RbZn(SCN)_4

    Watanabe Masashi, Nogami Yoshio, Noda Yukio, Mori Hatsumi

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   856 - 856   2007.2

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  • 21pRA-2 Giant lattice variation in θ-(BEDT-TTF)_2CsZn(SCN)_4 in nonlinear conducting state

    Watanabe Masashi, Yamamoto Kenichiro, Nakashima Yusaku, Ito Takayoshi, Tanabe Makoto, Hanasaki Noriaki, Ikeda Naoshi, Nogami Yoshio, Osumi Hiroyuki, Toyokawa Hidenori, Noda Yukio, Terasaki Ichiro, Sawano Fumiaki, Suko Tomohiro, Mori Hatsumi, Mori Takehiko

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   863 - 863   2007.2

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  • 18pRD-12 Strain Analysis of TaSe_3 Topological Crystals by Synchrotron X-ray Diffraction Measurements

    Yamamoto K., Ito T., Ikeda N., Nogami Y., Horita S., Matsuura T., Tanda S., Tsuneta T.

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   769 - 769   2007.2

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  • 19pRJ-6 Low Temperature Structure of TMTTF_2X

    Nogami Yoshio, Ito Takayoshi, Nakashima Yusaku, Yamamoto Kenichiro, Ikeda Naoshi, Nakamura Toshikazu

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   835 - 835   2007.2

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  • 25pYF-4 Lattice variation of θ-(BEDT-TTF)_2CsZn(SCN)_4 in nonlinear conducting state

    Watanabe Masashi, Ito Takayoshi, Yamamoto Kenichiro, Nakashima Yusaku, Hanasaki Noriaki, Ikeda Naoshi, Nogami Yoshio, Osumi Hiroyuki, Toyokawa Hidenori, Noda Yukio, Terasaki Ichiro, Sawano Fumiaki, Suko Tomohiro, Mori Hatsumi, Mori Takehiko

    Meeting abstracts of the Physical Society of Japan   61 ( 2 )   698 - 698   2006.8

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  • 30aRB-6 Low temperature crystal structure for (DMET)_2BF_4

    Kanno N., Nogami Y., Kikuchi K., Nishikawa H.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   846 - 846   2006.3

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  • 30aRB-11 Low-temperature structure of M_2P-TCNQF_4

    Ito T., Yamamoto K., Ikeda N., Nogami Y., Matsuzaki H., Okamoto H.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   847 - 847   2006.3

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  • 30pUF-1 Study of electrical resistivities of RAgSb_2(R=Ce_x,La_<1-x>)

    Watanabe Y., Inada Y., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   658 - 658   2006.3

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  • 30pUE-11 Development of Low Temperature Diffuse Scattering Camera in High Magnetic Field

    Horita S., Ito T., Irie N., Ikeda N., Nogami Y., Nagao N., kanbe T., Oshima K., Isobe M., Ueda Y.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   657 - 657   2006.3

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  • 28aRB-1 Crystal and modulation structures of α-(BEDT-TTF)_2MHg(SCN)_4

    Irie N., Ito T., Yamamoto K., Ikeda N., Nogami Y., Mori H.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   819 - 819   2006.3

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  • 27pRB-7 Time resolved X-ray diffraction study for θ-(BEDT-TTF)_2CsM'(SCN)_4 under pulse electric current at low temperature

    Watanabe Masashi, Ito Takayoshi, Ikeda Naoshi, Yamamoto Kenichiro, Toyokawa Hidenori, Nakashima Yusaku, Horita Shintaro, Nogami Yoshio, Noda Yukio, Terasaki Ichiro, Sawano Fumiaki, Mori Hatsumi, Mori Takehiko

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   810 - 810   2006.3

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  • 27pXF-6 CDW Satellite Reflection Measurement of NbSe_3 Ring Crystal

    Yamamoto K., Ito T., Ikeda N., Nogami Y., Horita S., Matsuura T., Tanda S., Tsuneta T.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   772 - 772   2006.3

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  • 27pTE-6 Development of X-ray and neutron transparent pulse magnets

    Ohmichi E., Ikeda N., Nogami Y., Osada T.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   434 - 434   2006.3

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  • Anion Order-disorder Transition and Charge Disproportionation in Organic Quasi One-dimensional Compounds

    ITO Takayoshi, NOGAMI Yoshio

    X-RAYS   48 ( 1 )   59 - 64   2006.2

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    High resolution X-ray structure analyses revealed the condition for the charge ordering (CO) observed in the quasi one-dimensional compounds (TMTTF) &lt;SUB&gt;2&lt;/SUB&gt;X. The size and orientational ordering of the counter anion X control the dimerization and tetramerization of TMTTF molecules. The molecular dimerization suppresses the 4&lt;I&gt;k&lt;/I&gt;F CO, while the tetramerization assists the 2&lt;I&gt;k&lt;/I&gt;F CO. The phase diagram of the electronic states including 2&lt;I&gt;k&lt;/I&gt;F and 4&lt;I&gt;k&lt;/I&gt;F CO has been proposed associated with magnitudes of the molecular dimerization and tetramerization.

    DOI: 10.5940/jcrsj.48.59

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  • Structure Analysis of Topological Crystal using Synchrotron Radiation

    Y. Nogami, T. Tsuneta, K. Yamamoto, N. Ikeda, T. Ito, N. Irie, S. Tanda

    Topology in Ordered Phase (World Scientific)   52-57   2006

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  • X-ray Diffuse Scattering Study of Modulated Structure in θ-(BEDT-TTF)2CsM'(SCN)4 Under Electric Field

    Y. Nogami, Masashi Watanabe, Naoshi Ikeda, T. Ito, K. Yamamoto, Yukio Noda, I. Terasaki, H. Mori, T. Mori

    SPring-8 User Experiment Reports 2005A   2006

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  • DEVELOPMENT OF X-RAY ANALYSIS METHOD FOR TOPOLOGICAL CRYSTALS

    K. YAMAMOTO, T. ITO, N. IKEDA, S. HORITA, N. IRIE, Y. NOGAMI, T. TSUNETA, S. TANDA

    86-94   2006

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    DOI: 10.1142/9789812772879_0014

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  • 19pWB-10 Change in modulated structure of θ-(BEDT-TTF)_2CsM'(SCN)_4 under DC current.

    Watanabe M., Ito T., Yamamoto Y., Ikeda N., Nogami Y., Noda Y., Terasaki I., Mori H., Mori T.

    Meeting abstracts of the Physical Society of Japan   60 ( 2 )   678 - 678   2005.8

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  • 19pPSA-81 Study of erectrical resistivity anormalies and Fermi surface of RAgSb_2(R=Ce, La)

    Watanabe Y., Inada Y., Nogami Y., Hidaka H., Kotegawa H., Kobayashi T. C.

    Meeting abstracts of the Physical Society of Japan   60 ( 2 )   413 - 413   2005.8

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  • 24aYK-6 Low temperature structures in (TMTTF)_2X5

    Nogami Y., Ito T., Ikeda N., Nakamura T.

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   768 - 768   2005.3

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  • 27pWE-3 Structural Study of Eu_<0.6>Sr_<0.4>MnO_3 Perovskite under Magnetic Field

    Ito T., Ikeda N., Nakamura S., Shimomura S., Nogami Y., Mukovskii Yakov M.

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   614 - 614   2005.3

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  • 26pYL-1 ESR study of α'-(ET)_2IBr_2

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   805 - 805   2005.3

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  • 25aYN-7 X-ray diffraction study for θ-(BEDT-TTF)_2CsM'(SCN)_4 under electric field at low temperature.

    Watanabe Masashi, Ikeda Naoshi, Ito Takayoshi, Nogami Yoshio, Komiyama Satoshi, Noda Yukio, Terasaki Ichiro, Mori Hatsumi, Mori Takehiko

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   791 - 791   2005.3

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  • 25pXL-4Approach to Structure Analysis of NbSe_3 topological crystal

    Yamamoto K., Tsuneta T., Tanda S., Ikeda N., Nogami Y., Ito T., Irie N.

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   742 - 742   2005.3

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  • Diffuse Scattering in θ-(BEDT-TTF)2CsZn(SCN)4 under Electric Field at Low temperature

    N. Ikeda, M. Watanabe, T. Ito, Y. Nogami, S. Komiyama, Y. Noda, I. Terasaki, H. Mori, T. Mori

    SPring-8 User Experiment Report   14   301 - 301   2005

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  • Decrease in X-ray diffuse scattering intensity reflecting two-fold structural modulation in θ-(BEDT-TTF)2CsZn(SCN)4 under Electric Field

    Y. Nogami, M. Watanabe, N. Ikeda, T. Ito, K. Yamamoto, Y. Noda, I. Terasaki, H. Mori, T. Mori

    SPring-8 User Experiment Report   15   18 - 18   2005

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  • Crystal Structure of Charge Ordered Compound θ-(BEDT-TTF)2RbCo(SCN)4 at Low Temperatures

    M. Watanabe, Y. Noda, Y. Nogami, H. Mori

    Journal of the Physical Society of Japan   74 ( 7 )   2011 - 2016   2005

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    The crystal structure of <TEX>$\theta$</TEX>-(BEDT-TTF)2RbCo(SCN)4 in its insulating state below <TEX>$T_{\text{MI } }$</TEX>(approximately 200 K) was investigated by X-ray diffraction experiments. The transfer integrals between the BEDT-TTF molecules were also calculated from the structural data, and the ionicities of BEDT-TTF molecules were estimated from the intramolecular bond length distribution. A large modulation of transfer integrals and charge disproportionation between BEDT-TTF molecules were found. The ratio of ionicities was 0 to <TEX>$+0.2:+0.8$</TEX>to <TEX>$+1.0$</TEX>. These results were compared with thoes of the analogous salt <TEX>$\theta$</TEX>-(BEDT-TTF)2RbZn(SCN)4.

    DOI: 10.1143/JPSJ.74.2011

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  • 27pYD-6 Twisting number dependence of the cbarge-density-wave transition in NbSe_3 topological materials

    Tsuneta T., Matsuura T., Tanda S., Nogami Y., Ikeda N.

    Meeting abstracts of the Physical Society of Japan   59 ( 1 )   801 - 801   2004.3

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  • 28pWL-14 Band-Filling Control of τ-(EDO-S,S-DMEDT-TTF)_2(AuBr_2)_<1+y> by Thermal Treatment

    YOSHINO Harukazu, NAKANISHI Tsutomu, Ll Lin, MURATA Keizo, GRAF D., CHOI E. S., BROOKS J. S., NOGAMI Yoshio, PAPAVASSILIOU G. C.

    Meeting abstracts of the Physical Society of Japan   59 ( 1 )   853 - 853   2004.3

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  • Low temperature structure analysis of α'-(BEDT-TTF)_2IBr_2

    Nogami Y., Kambe T., Oshima K., Saito G.

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   719 - 719   2003.8

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  • Low temperature structures in (TMTTF)_2X 4

    Nogami Y., Kambe T., Fujiwara M., Oshima K., Nagao N., Nakamura T., Ikeda N.

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   756 - 756   2003.8

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  • X-ray structural study of CDW modulation in ZrTe_3

    Nogami Y., Yamaya K., Tanda S., Inagaki K.

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   689 - 689   2003.8

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  • Structure Analysis of NbSe_3 topological crystal 1

    Nogami Y., Tanda S., Tsuneta T., Kambe T., Fujiwara M., Oshima K., Ikeda N.

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   687 - 687   2003.8

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  • Low temperature structure in TDAE-C_<60> II

    Fujiwara M., Kambe T., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   739 - 739   2003.8

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  • Structure of high-Tc crystals in Cd_2Re_2O_7

    Kambe T., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   547 - 547   2003.3

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  • X-ray study of modulated structures of β'-Cu_xV_2O_5 (x=0.29,0.39)

    Nagao N., Nogami Y., Oshima K., Yamada H., Ueda Y.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   575 - 575   2003.3

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  • Low temperature structure in TDAE C_<60>

    Fujiwara M., Kambe T., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   805 - 805   2003.3

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  • Crystal structure of θ-(BEDT-TTF)_2RbZn(SCN)_4 under the high pressure insulating phase

    Watanabe M., Noda Y., Nogami Y., Mori H.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   821 - 821   2003.3

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  • Anomalous Specific Heat of γ-phase Conductors under Magnetic Field

    Nara K., Sugita T., Nishio Y., Kajita K., Hiraki K., Takahashi T., Yoshino H., Murata K., Nogami Y., Papavassiliou G. C.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   781 - 781   2003.3

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  • Low temperature structures in (TMTTF)_2X 3

    Nogami Y., Kambe T., Nagao N., Fujiwara M., Oshima K., Nakamura T., Ikeda N.

    Meeting abstracts of the Physical Society of Japan   58 ( 1 )   790 - 790   2003.3

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  • Spin-Peierls structural dimerization in [NiBr(chxn)2]Br2 and [NiCl(Chxn)2]Cl2

    Nogami Y, Ono M, Matsuzaki H, Okamoto H

    Meeting Abstracts of the Physical Society of Japan   58 ( 0 )   762 - 762   2003

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  • Superstructure in Organic τ-Phase Conductors

    KONOIKE T., NOGAMI Y., YOSHINO H., PAPAVASSILIOU G.C., MURATA Keizo

    Meeting abstracts of the Physical Society of Japan   57 ( 2 )   683 - 683   2002.8

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  • 25aXJ-6 Low-temperature structure in m-MPYNN BF_41/3acetone

    Kambe T., Nogami Y., Oshima K., Fujita W., Awaga K.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   387 - 387   2002.3

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  • 24aXM-10 Superlattice formation in θ -(BEDT-TTF)2RbZn(SCN)4 under high pressure.

    Watanabe M., Noda Y., Nogami Y., Mori H.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   760 - 760   2002.3

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  • 27pXN-8 Structure and magnetism of polymer phase in TDAE-C_60

    Fujiwara M., Kambe T., Oshima K, Nogami Y., Gaaj S., Forro L.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   813 - 813   2002.3

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  • 27pXM-1 Superstructure and magnetoresistance in (DMET-TSeF)_2 Au(CN)_2

    Oshima K., Kambe T., Nogami Y., Kato K., Sasaki T., Motokawa M., Kato R.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   808 - 808   2002.3

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  • 27pXM-4 Structure analyses of (TMTTF)2X at low temperature II

    Nogami Y., Nakamura. T.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   809 - 809   2002.3

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  • 24aXW-10 Effects of Tungsten doping on the electronic state in η-Mo_4O_<11>

    Nagao N., Tsuboi S., Kambe T., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   724 - 724   2002.3

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  • Magnetic Properties of (CHTM-TTP)_2TCNQ

    Nakamura T., Taniguchi M., Misaki Y., Tanaka K., Nogami Y.

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   734 - 734   2001.3

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  • CDW transitions and impurity effects in η-Mo_4O_n

    Tsuboi S., Kambe T., Nagao N., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   704 - 704   2001.3

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  • Superlattice and diffuse scattering in θ-(BEDT-TTF)_2RbM'(SCN)_4(M'=Zn, Co)

    Watanabe M., Noda Y., Nogami Y., Mori H., Tanaka S.

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   744 - 744   2001.3

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  • Low temperature lattice modtdations in (CHTM-TTP)_2TCNQ.

    Nogami Y., Oshima K., Taniguchi M., Misaki Y., Tanaka K., Nakamura T.

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   734 - 734   2001.3

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  • Low temperature lattice modulations and phase transition in θ-(BEDT-TTF)_2RbZn(SCN)_4

    Watanabe M., Noda Y., Nogami Y., Mori H., Tanaka S.

    Meeting abstracts of the Physical Society of Japan   55 ( 2 )   708 - 708   2000.9

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  • Structural phase transition in m-MPYNN・BF_4 II

    Kambe T., Nogami Y., Oshima K., Fujita W., Awaga K.

    Meeting abstracts of the Physical Society of Japan   55 ( 2 )   352 - 352   2000.9

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  • Structure analyses of DMTSA-BF4 and DMTTA-BF4.

    Fujimura N., Nogami Y., Oshima K., Yakushi K., Dong J.

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   710 - 710   2000.3

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  • Structural phase transition in m-MPYNN・BF_4

    Kambe T., Sakiyama T., Nogami Y., Oshima K., Fujita W., Awaga K.

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   348 - 348   2000.3

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  • Charge ordering in low-dimensional organic conductors observed by X-ray diffraction.

    Nogami Yoshio

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   720 - 720   2000.3

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  • The low temperature and high field electronic state and low temperature crystal structure in η-Mo_4O_<11>

    Oshima K., Doi T., Kambe T., Nogami Y., Sasaki T., Motokawa M.

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   690 - 690   2000.3

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  • 24aF-9 Annealing effects on the magnetic and structural properties of TDAE-C_<60>

    Kambe T., Nogami Y., Ohshima K.

    Meeting abstracts of the Physical Society of Japan   54 ( 2 )   730 - 730   1999.9

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  • 25pG-13 Structural symmetry of α'-NaV_2O_5 below 34K.

    Nogami Y, Nagao N, Oshima K, Isobe M, Ueda Y

    Meeting abstracts of the Physical Society of Japan   54 ( 2 )   507 - 507   1999.9

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  • 30p-XB-6 Structure Analysis and Superstructure of (XDCNQI)_2Ag(X=DI, BrI, DM, DBr)

    Nogami Y, Yamamoto Y, Oshima K, Hiraki K, Kanoda K

    Meeting abstracts of the Physical Society of Japan   54 ( 1 )   265 - 265   1999.3

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  • 31p-XB-8 Temperature dependence of the spin susceptibility in DMTSA-BF_4

    Namba A., Kambe T., Nogami Y., Oshima K., Yakushi K., Dong J., Takimiya K., Otsubo T.

    Meeting abstracts of the Physical Society of Japan   54 ( 1 )   275 - 275   1999.3

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  • 29p-PSA-5 ESR study of two-dimensional Kagome antiferromagnet m-MPYNN・BF_4

    Kambe T., Sakiyama T., Nogami Y., Oshima K., Awaga K.

    Meeting abstracts of the Physical Society of Japan   54 ( 1 )   438 - 438   1999.3

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  • Superstructure of (DIDCNQI)_2Cu under low temperatures and high pressures

    NOGAMI Y., YAMAMOTO Y., HAYASHI S., OSHIMA K., HIRAKI K., KANODA K.

    Meeting abstracts of the Physical Society of Japan   53 ( 2 )   302 - 302   1998.9

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  • Low temperature and high pressure structures for θ-(BEDT-TTF)_2CsCo(SCN)_4

    WATANABE M., NOGAMI Y., OSHIMA K., MORI H., TANAKA S.

    Meeting abstracts of the Physical Society of Japan   53 ( 2 )   310 - 310   1998.9

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  • Chemical substitutional effect on the superstructure for (DXDCNQI)_2Ag

    YAMAMOTO Y., NOGAMI Y., OSHIMA K., HIRAKI K., KANODA K.

    Meeting abstracts of the Physical Society of Japan   53 ( 2 )   301 - 301   1998.9

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  • Low Temperature Structure of DMTSA-BF_4

    FUJIMURA N., NOGAMI Y., OSHIMA K., YAKUSHI K., DONG J.

    Meeting abstracts of the Physical Society of Japan   53 ( 2 )   303 - 303   1998.9

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  • Pulsed-ESR study in TTF-CA

    KAMBE T., NOGAMI Y., OSHIMA K., KOSHIHARA S., TAKAHASHI Y., SAKAI H.

    Meeting abstracts of the Physical Society of Japan   53 ( 1 )   492 - 492   1998.3

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  • Superstructure and Transfer Integrals in κ-(BEDT-TTF)_2CU[N(CN)_2]X(X=Br,Cl)

    WATANABE M., NOGAMI Y., OSHIMA K., ITO H., ISHIGURO T., SAITO G.

    Meeting abstracts of the Physical Society of Japan   53 ( 1 )   261 - 261   1998.3

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  • Lattice Modulation of the One-Dimensional Organic Conductor,(TTM-TTP)I_3 at Low Temperature

    FUJIMURA N., NAMBA A., KAMBE T., NOGAMI Y., OSHIMA K., MORI T., KAWAMOTO T., MISAKI Y., YAMABE T.

    Meeting abstracts of the Physical Society of Japan   53 ( 1 )   231 - 231   1998.3

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  • Annealing effects of C_<60>TDAE

    NEGAWA H., KANBE T., OSHIMA K., NOGAMI Y.

    Meeting abstracts of the Physical Society of Japan   53 ( 1 )   237 - 237   1998.3

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  • 7a-D-13 High frequency ESR study of α'-(BEDT-TTF)_2IBr_2

    Kambe T., Watanabe M., Nogami Y., Oshima K., Nakagawa N., Okubo S., Ohta H., Saito G.

    Meeting abstracts of the Physical Society of Japan   52 ( 2 )   294 - 294   1997.9

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  • 6p-D-2 Temperature dependence of the electron spin relaxation time in C_<60>-TDAE

    Kambe T., Negawa H., Nogami Y., Oshima K.

    Meeting abstracts of the Physical Society of Japan   52 ( 2 )   285 - 285   1997.9

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  • 29a-D-13 The structure and magnetism of C_<60> TDAE

    Katayama K, Kambe T, Nogami Y, Oshima K

    Meeting abstracts of the Physical Society of Japan   52 ( 1 )   274 - 274   1997.3

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  • 29p-C-11 Structure analysis of(DIDCNQI)_2Cu under Pressure

    Oshima K, Hayashi S, Nogami Y, Hiraki K, Kanoda K

    Meeting abstracts of the Physical Society of Japan   52 ( 1 )   277 - 277   1997.3

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  • 29p-C-12 Low temperature superstructure of(DIDCNQI)_2Ag

    Nogami Y, Yamamoto Y, Oshima K

    Meeting abstracts of the Physical Society of Japan   52 ( 1 )   277 - 277   1997.3

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  • Percolation Conduction of BO-C_<10>TCNQ Conductive LB films

    Ogasawara K., Ishiguro T., Horiuchi S., Yamochi H., Saito G., Nogami Y.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1996 ( 2 )   452 - 452   1996.9

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  • Physical pressure effect on the metal-insulator transition of(DMeDCNQI)_2Cu.

    Nogami Y., Oshima K.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1996 ( 2 )   401 - 401   1996.9

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  • X-ray diffuse scattering study of α-(BEDT-TTF)_2CsM'(SCN)_4[M'=Co, Zn]at low temperatures.

    Nogami Y., Pouget J.P., Oshima K., Mori H., Tanaka S., Mori T.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1996 ( 2 )   457 - 457   1996.9

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  • X-ray and magnetic study of α'-(BEDT-TTF)_2IBr_2 at low temperatures.

    Watanabe M., Nakamura T., Kambe T., Nogami Y., Oshima K., Saito G.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1996 ( 2 )   424 - 424   1996.9

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  • 4k_F superstructure in(DIDCNQI)_2Ag.

    Nogami Y., Moret R., Pouget J.-P, Hayashi S., Oshima K., Hiraki K., Konoda K.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1996 ( 2 )   404 - 404   1996.9

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  • 1p-C-10 An Experimental Study to Obtain Sigle Crystal C_<60>-TDAE and its Magnetic Properties

    Nagasaki K., Taki F., Nogami Y., Oshima K.

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   51 ( 2 )   370 - 370   1996.3

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  • 2p-B-11 In-Plane Structure and Electrical Properties of BO-C_<10>TCNQ Conductive LB Film

    Ogasawara K., Ishiguro T., Horiuchi S., Yamochi H., Saito G., Nogami Y.

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   51 ( 2 )   377 - 377   1996.3

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  • 29p-K-12 Structural phase transition at 59K associated with charge distribution change in(BEDT-TTF)_3CuBr_4

    Watanabe M., Nogami Y., Oshima K., Yamaura J., Enoki T.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 2 )   405 - 405   1995.9

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  • 28a-K-3 Structure of(DMe-DCNQI)_2Cu in Insulating Phase under High Pressure at Room Temperature

    Date T, Nogami Y, Oshima K, Arimoto O

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 2 )   362 - 362   1995.9

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  • 28p-K-10 Low-Temperature Stuctural and Electronic Properties of(DMET-TSeF)_2X

    Fujimura N, Nogami Y, Oshima K, Aonuma S, Kato R

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 2 )   378 - 378   1995.9

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  • 29a-K-8 Structural Change in Organic Semiconductor α'-(BEDT-TTF)_2IBr_2 at Low Temperatures

    Nishikawa M, Nogami Y, Oshima K, Saito G

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 2 )   390 - 390   1995.9

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  • 27a-K-9 Structural Study and ESR of BO-C_<10>TCNQ Conductive LB film

    Ogasawara K, Ishiguro T, Horiuchi S, Yamochi H, Saito G, Taoda M, Nogami Y

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1995 ( 2 )   344 - 344   1995.9

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  • Structrural Change of Organic Salts showing Neutral-Ionic Transition under Pressure.

    Nogami Yoshio, Taoda Motoki, Shin Yuichi, Oshima Kokichi, Aritomo Osamu, Aoki Shinya, Nakayama Toshio, Miura Akira, Basaki Shinya, Matsuzaki Susumu

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 2 )   353 - 353   1995.3

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  • Structural Change of (BEDT-TTF)_3CuBr_4

    Watanabe M, Nogami Y, Oshima K, Yamaura J, Enoki T

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 2 )   427 - 427   1995.3

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  • Crystal Structure of TTF-CA in Ionic Phase below 84K

    Taoda M, Nogami Y, Oshima K, Koshihara S, Akimoto K

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 2 )   352 - 352   1995.3

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  • Lattice parameters of (DMe-DCNQI)_2Cu under pressure

    Date T, Nogami Y, Oshima K, Arimoto O, Kato R, Naito T, Kobayashi H

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   50 ( 2 )   383 - 383   1995.3

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  • ATOMIC SIZE EFFECT IN THE X-RAY-DIFFRACTION FOR PARTIALLY DISORDERED ONE-DIMENSIONAL MOLECULAR SUPERLATTICE

    K OGASAWARA, Y NOGAMI, T ISHIGURO

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   63 ( 11 )   4260 - 4261   1994.11

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  • 3a-S-2 Low Temperature Structure of (BEDT-TTF)_3CuBr_4 and its Relation with the Magnetic Propaties

    Watanabe M, Taoda M, Fujimura M, Nogami Y, Oshima K, Yamaura J, Enoki T

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1994 ( 2 )   269 - 269   1994.8

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  • 3p-S-13 Structural Study of BO-C_10TCNQ Conductive

    Ogasawara K, Ishiguro T, Horiuchi S, Yamochi H, Saito G, Taoda M, Nogami Y, Umemura J

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1994 ( 2 )   280 - 280   1994.8

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  • 28a-YK-1 Temperature Dependence of Local Structure in Alkali-Metal-Doped Fullerene Superconductors

    Fujimoto Tamotsu, Kubozono Yoshihiro, Maeda hironobu, Emura shuichi, Ishida Hiroyuki, Ohshima koukichi, Kato Kiyonori, Kashino Setsuo, Yamazaki Hitoshi, Nogami Yoshio, Ishii Tadao

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   49 ( 2 )   283 - 283   1994.3

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  • 12p-C-5 Superlattice Structure of Organic Superconductor κ-(ET)_2Cu[N(CN)_2]Br.

    Nogami Yoshio, Pouget Jean-Paul, Ito Hiroshi, Ishiguro Takehiko, Saito Gunzi

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1993 ( 2 )   365 - 365   1993.9

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  • 12p-B-13 Conducting Properties and Structure of 3C10-Au(dmit)_2 LBfilm Doped with ClO_4

    Matsuzaki H., Nogami Y., Ishiguro T., Taoda M., Nakamura T., Tachibana H., Matsumoto M.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting   1993 ( 2 )   356 - 356   1993.9

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  • Structural analysis of highly conducting PF_6^- doped polypyrrole

    Nogami Y., Pouget Jean-Paul, Ishiguro T.

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   48 ( 2 )   342 - 342   1993.3

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  • 27a-M-11 Electrical Conductivity of Metallic Polyacetylene at Ultralow Temperature

    Kaneko H, Nogami Y, Ishiguro T, Ishimoto H, Nishiyama H, Takahashi A, Tsukamoto J

    47 ( 2 )   330 - 330   1992.3

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  • 30p-ZF-1 Superconducting transition in κ-type ET salt and its isotope substitution effect

    Ito H., Watanabe M., Nogami Y., Ishiguro T., Komatsu T., Saito G., Hosoito N.

    46 ( 2 )   342 - 342   1991.9

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  • ANOMALOUS X-RAY-DIFFRACTION LINE SHIFT IN HETEROGENEOUS LANGMUIR-BLODGETT MULTILAYER FILMS

    Y NOGAMI, H HAMANAKA, T ISHIGURO

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   60 ( 6 )   1860 - 1863   1991.6

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  • 24a-Z-1 Metal Nonmetal Transition of High Conductive Polyacetylene

    Kaneko H., Nogami Y., Ishiguro T., Tsukamoto J., Takahashi A.

    1991 ( 2 )   314 - 314   1991.3

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  • 27a-Z-1 Superconducting transition in (ET)_2Cu[N(CN)_2]Br

    Ito H., Nogami Y., Ishiguro T., Komatsu T., Saito G.

    1991 ( 2 )   383 - 383   1991.3

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  • 25a-Z-6 Structural Anomaly in Fatty Acid Salt Heterogenious

    Nogami Y., Hamanaka H., Ishiguro T.

    1991 ( 2 )   334 - 334   1991.3

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  • 4a-K-11 Peculiar Magnetoresistance in High Conducting Polyacetylene

    Nogami.Y, Kaneko.H, Ishiguto.T, Sasaki.T, Toyota.N, Tsukamoto.J, Takahashi.A

    1990 ( 2 )   350 - 350   1990.9

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  • 2p-K-10 Uniaxial stress effect on BEDT-TTF based superconductor

    Ito H, Nogami Y, Ishiguro T, Saito G

    1990 ( 2 )   331 - 331   1990.9

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  • ELECTRONIC STATES OF HIGH CONDUCTING POLYACETYLENE

    Kaneko H., Nogami Y., Hosoito N., Ishiguro T., Tsukamoto J., Takahashi A.

    45 ( 2 )   314 - 314   1990.3

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  • LOW TEMPERATURE ELECTRICAL CONDUCTIVITY OF HIGH CONDUCTING POLYACETYLENE

    Nogami Y., Kaneko H., Ito H., Arai T., Matsubara A., Ishiguro T., Sasaki T., Toyota N., Tsukamoto J., Takahashi A.

    45 ( 2 )   314 - 314   1990.3

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  • 5p-S4-10 高圧下のβ-(BEDT-TTF)_2I_3の構造

    野上 由夫, 鹿児島 誠一, 毛利 信男, 安西 弘行, 斉藤 軍治

    秋の分科会講演予稿集   1988 ( 2 )   309 - 309   1988.9

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  • 29a-J-3 (DMET)_2X,{X=Au(CN)_2,AuI_2}の絶縁相の構造

    野上 由夫, 田中 雅範, 鹿児島 誠一, 菊地 耕一, 池本 勲

    秋の分科会講演予稿集   1987 ( 2 )   301 - 301   1987.9

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  • 30a-JF-12 重水素化したα-(BEDT-TTF)_2I_3の構造変化(分子性結晶・液晶・有機半導体)

    野上 由夫, 鹿児島 誠一, 浦山 初果, 斉藤 軍治, 菅野 忠

    年会講演予稿集   42 ( 2 )   325 - 325   1987.3

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  • X線単色ラウエ法

    野上 由夫, 久保 光一, 鹿児島 誠一

    固体物理   22 ( 3 )   p187 - 190   1987.3

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  • 28a-QA-9 α-(BEDT-TTF)_2X(X=I_3, IBr_2)の構造変態

    野上 由夫, 鹿児島 誠一, 斉藤 軍治, 菅野 忠

    秋の分科会講演予稿集   1986 ( 2 )   345 - 345   1986.9

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  • 2a-P-2 BEDT-TTF塩の構造変化

    野上 由夫, 鹿児島 誠一, 斉藤 軍治, 高橋 利宏, 川村 弘樹

    秋の分科会講演予稿集   1985 ( 2 )   317 - 317   1985.9

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Presentations

  • トポロジカル半金属YPdxPt1-xBiの作成と電気物性

    近藤隆祐, 石井宏樹, 野上由夫

    日本物理学会 第73回年次大会  日本物理学会

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    Event date: 2018.3.22 - 2018.3.25

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京理科大学  

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  • 希土類低次元伝導体YNiC2 の超格子構造

    野上由夫, 近藤隆祐, 小林賢介, 熊井玲児

    日本物理学会 第72回年次大会  日本物理学会

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    Event date: 2017.3.20

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:大阪大学豊中キャンパス  

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  • 低温強磁場X線カメラの開発と希土類化合物RNiC2系への適用

    近藤隆祐, 阿井幸男, 野上由夫

    日本物理学会 2016年秋季大会  日本物理学会

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    Event date: 2016.9.13

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:金沢大学  

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  • 希土類化合物RNiC2(R=La,Ce)のホール効果2

    野村勝史,近藤隆祐,野上由夫

    日本物理学会第70回年次大会  日本物理学会

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    Event date: 2015.3.22

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    Venue:早稲田大学  

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  • パイロクロア型ニオブ酸化物におけるNb四面体の電荷クラスター状態の探索

    鳥越秀平,青石優平,村川寛,松村大樹,吉井賢資,米田安宏,樹神克明,池田一貴,大友季哉,富安啓輔,中尾裕則,野上由夫,花咲徳亮

    日本物理学会第70回年次大会  日本物理学会

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    Event date: 2015.3.22

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    Venue:早稲田大学  

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  • 希土類化合物RTC2(R=Y,Dy;T=Ni,Co)における磁気秩序とCDWの相互作用

    前田浩之,近藤隆祐,野上由夫

    日本物理学会  日本物理学会

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    Event date: 2013.9.25 - 2013.9.28

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:徳島大学  

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  • 一軸性圧力によるモット絶縁体Ca2RuO4の金属化 磁性と面内異方性

    谷口晴香,西村佳悟,米澤進吾,中村文彦,近藤隆祐,野上由夫,前野悦輝

    日本物理学会  日本物理学会

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    Event date: 2013.9.25 - 2013.9.28

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    Venue:徳島大学  

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  • θ-(BEDT-TTF)2(Rb1-xCsx)Zn(SCN)4混晶試料の交流インピーダンス測定

    岡部翔太,近藤隆祐,野上由夫

    日本物理学会  日本物理学会

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    Event date: 2013.9.25 - 2013.9.28

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    Venue:徳島大学  

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  • 希土類化合物RNiC2の単結晶作成と物性測定

    前田浩之,山本伸樹,近藤隆祐,野上由夫

    希土類化合物RNiC2の単結晶作成と物性測定  日本物理学会

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    Event date: 2013.3.26 - 2013.3.29

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:広島大学  

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  • 有機伝導体の競合する電荷秩序の変化と電流による融解

    野上由夫

    IGERセミナー「強相関電子系の非線形伝導」  名古屋大学理学部

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    Event date: 2013.3.14

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:名古屋大学理学部  

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  • (TMTTF)2Brの低温構造

    戸田敦基,近藤隆祐,野上由夫,中尾朗子,熊井玲児

    物構研サイエンスフェスタ  物構研

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    Event date: 2013.3.12 - 2013.3.14

    Language:Japanese   Presentation type:Poster presentation  

    Venue:つくば国際会議場  

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  • 非対称な軸配位子をもった鉄フタロシアニンの構造と物性

    濱田佑美、大石寛子、松田真生、花咲徳亮、野上由夫

    分子科学討論会  日本化学会

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    Event date: 2012.9.19

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:東京大学  

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  • θ-(BEDT-TTF)2(Rb1-xCsx)Zn(SCN)4混晶試料の構造と物性

    岡部翔太,野上由夫,近藤隆祐

    日本物理学会秋季大会  日本物理学会

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    Event date: 2012.9.18 - 2012.9.21

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:横浜国立大学  

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  • マグネトプランバイト型バナジウム酸化物Li2AV10.5O19(A=Na,K)の伝導特性

    徳山達郎,野上由夫,小池正義,花咲徳亮

    日本物理学会秋季大会  第67回年次大会

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    Event date: 2012.9.18 - 2012.9.21

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:横浜国立大学  

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  • TbNiC2のX線磁気散乱

    下村晋,中尾裕則,山本伸樹,野上由夫,花咲徳亮,小坂昌史,小野寺秀也

    日本物理学会秋季大会  日本物理学会

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    Event date: 2012.9.18 - 2012.9.21

    Language:Japanese   Presentation type:Poster presentation  

    Venue:横浜国立大学  

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  • 軸配位金属フタロシアニン系への非対称性導入

    大石寛子、松田真生、野上由夫、花咲徳亮

    日本化学会 

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    Event date: 2012.3.28

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:慶応義塾大学  

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  • 量子スピン液体κ‐(BEDT-TTF)2Cu2(CN)3の低温対称性変化の観測

    山本伸樹,野上由夫,近藤隆祐,寺崎一郎,佐々木孝彦,前里光彦,花咲徳亮,中尾朗子

    日本物理学会第67回年次大会  日本物理学会

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    Event date: 2012.3.24 - 2012.3.27

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:関西学院大学  

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  • θ-(BEDT-TTF)2CsZn(SCN)4の一軸圧縮下の変調波数と物性

    野上由夫,谷本由衣,近藤隆祐,花咲徳亮

    日本物理学会 

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    Event date: 2012.3.24 - 2012.3.27

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:関西学院大学  

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  • RNiC2 (R = Tb, Gd) の放射光X線回折

    下村晋,野上由夫,花咲徳亮,山本伸樹,中尾裕則,中尾朗子,小坂昌史,小野寺秀也

    日本物理学会第67回年次大会  日本物理学会

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    Event date: 2012.3.24 - 2012.3.27

    Language:Japanese   Presentation type:Poster presentation  

    Venue:関西学院大学  

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  • NdNiC2単結晶による電荷密度波の観測と磁気抵抗

    松本昇紘,山本伸樹,野上由夫,近藤隆祐,花咲徳亮,下村晋

    日本物理学会第67回年次大会  日本物理学会

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    Event date: 2012.3.24 - 2012.3.27

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    Venue:関西学院大学  

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  • 新散漫散乱カメラによる(TMTSF)2PF6のSDW転移に先立つCDWゆらぎの観測

    戸田敦基,山本伸樹,野上由夫,近藤隆祐,花咲徳亮

    日本物理学会第67回年次大会  第67回年次大会

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    Event date: 2012.3.24 - 2012.3.27

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:関西学院大学  

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  • DyNiC2およびCeNiC2単結晶による電荷密度波の観測と磁気抵抗

    前田浩之,山本伸樹,野上由夫,近藤隆祐,花咲徳亮,下村晋

    日本物理学会第67回年次大会  日本物理学会

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    Event date: 2012.3.24 - 2012.3.27

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:関西学院大学  

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  • パイロクロア型ニオブ酸化物における幾何学的電荷フラストレーション

    鳥越秀平, 花咲徳亮, 野上由夫, 松村大樹, 吉井賢資, 米田安宏, 西畑保雄

    日本物理学会 

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    Event date: 2011.9.23

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:富山大学  

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  • 巨大磁気抵抗を示すフタロシアニン分子系伝導体における電荷秩序の磁場中融解

    花咲徳亮, 立石拓麻, 野上由夫, 松田真生, 田島裕之, 瀧川仁, 内藤俊雄, 稲辺保

    日本物理学会 

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    Event date: 2011.9.22

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:富山大学  

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  • 反転対称のない超伝導体LaNiC2の元素置換効果と周辺の電荷密度波

    野上由夫,花咲徳亮

    新学術領域「トポロジカル量子現象」第6回集中連携研究会  新学術領域「トポロジカル量子現象」

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    Event date: 2011.7.25 - 2011.7.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:大阪大学  

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  • 六方晶バナジウム酸化物の水熱合成

    徳山達郎, 奥迫俊樹, 三上和幸, 野上由夫, 花咲徳亮

    日本物理学会 

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    Event date: 2011.3.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • 希土類化合物GdNiC2の磁場中相図

    三上和幸, 花咲徳亮, 横田研太郎, 野上由夫, 下村晋, 小坂昌史, 小野寺秀也

    日本物理学会 

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    Event date: 2011.3.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • 巨大磁気抵抗を示すフタロシアニン分子系伝導体における電荷秩序の磁場中融解

    立石拓麻, 花咲徳亮, 野上由夫, 松田真生, 田島裕之, 瀧川仁, 内藤俊雄, 稲辺保

    日本物理学会 

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    Event date: 2011.3.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • GdNiC2の変調構造と逐次相転移

    下村晋, 野上由夫, 花咲徳亮, 横田研太郎, 中尾裕則, 中尾朗子, 小坂昌史, 小野寺秀也

    日本物理学会 

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    Event date: 2011.3.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • (TMTCF)2XのCDW/COのX線放射光観察1

    野上由夫,戸田 敦基,近藤隆祐,花咲徳亮,神戸 高志,中尾朗子

    日本物理学会 

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    Event date: 2011.3.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:新潟大学  

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  • X-ray Absorption Spectra in Pyrochlore Niobates International conference

    S.Torigoe, N.Hanasaki, Y.Nogami, D.Matsumura, K.Yoshii, Y.Yoneda, and Y.Nishihata

    International Conference on Frustration in Condensed Matter 

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    Event date: 2011.1.11 - 2011.1.14

    Language:English   Presentation type:Poster presentation  

    Venue:Sendai international center  

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  • Hydrothermal Synthesis of Hexagonal Vanadium Oxide International conference

    T.Tokuyama, T.Okusako, K.Mikamai, N.Hanasaki, and Y.Nogami

    International Conference on Frustration in Condensed Matter 

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    Event date: 2011.1.11 - 2011.1.14

    Language:English   Presentation type:Poster presentation  

    Venue:Sendai international center  

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  • Succesive Transition in Rare-Earth Interemetallic Compound GdNiC2 International conference

    N.Hanasaki, K.Mikami, Y.Nogami, S.Shimomura, M.Kosaka, and H.Onodera

    International Conference on Frustration in Condensed Matter 

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    Event date: 2011.1.11 - 2011.1.14

    Language:English   Presentation type:Poster presentation  

    Venue:Sendai international center  

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  • Development of highly sensitive X-ray camera under Magnetic field and its application to the low-dimensional quantum-spin system CuGe1-xSixO3 International conference

    Y. Zhang, Morigensudu, N. Hanasaki and Y. Nogami

    The 11th Asia Pacific Physics Conference  Asia Pacific Physical Society

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    Event date: 2010.11.14 - 2010.11.18

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Shanghai, China  

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  • 擬三角格子における外場敏感な変調構造競合

    野上由夫,花咲徳亮

    フラストレーション特定領域トピカルミーティング  特定領域研究フラストレーション

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    Event date: 2010.10.15 - 2010.10.16

    Language:Japanese   Presentation type:Poster presentation  

    Venue:宮島  

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  • パイロクロア型Nb酸化物におけるX線吸収スペクトルと強誘電性

    鳥越秀平,奈良晋太郎,花咲徳亮,野上由夫,松村大樹,吉井賢資,米田安宏

    日本物理学会2010年秋季大会  日本物理学会

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    Event date: 2010.9.23 - 2010.9.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:大阪府立大学  

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  • 希土類化合物GdNiC2の磁場中相図

    三上和幸,花咲徳亮,横田研太郎,野上由夫,下村晋,小坂昌史,小野寺秀也

    日本物理学会2010年秋季大会  日本物理学会

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    Event date: 2010.9.23 - 2010.9.26

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:大阪府立大学  

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  • θ-(BEDT-TTF)2RbZn(SCN)4の超急冷後の低温電荷秩序構造と非線形伝導

    野上由夫,小椋美鈴,松家卓也,花咲徳亮,渡邉真史,野田幸男,寺崎一郎,森初果,森健彦

    日本物理学会第65回年次大会 

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    Event date: 2010.3.20 - 2010.3.23

    Presentation type:Oral presentation (general)  

    Venue:岡山大学  

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  • 希土類化合物RNiC2の磁気抵抗

    花咲徳亮,野上由夫,横田研太郎,三上和幸,柿沼光之,下村晋,小坂昌史,小野寺秀也

    日本物理学会第65回年次大会 

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    Event date: 2010.3.20 - 2010.3.23

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:岡山大学  

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  • SiドープしたCuGeO3の極低温精密X線変調構造測定

    張宇,花咲徳亮,野上由夫,モリギンスド,松家卓也

    日本物理学会第65回年次大会 

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    Event date: 2010.3.20 - 2010.3.23

    Presentation type:Oral presentation (general)  

    Venue:岡山大学  

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  • 有機サイリスタを巡る話

    野上由夫

    特定領域研究フラストレーション班会議  特定領域研究フラストレーション

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    Event date: 2009.10.14

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:京都  

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  • RENiC2の低温磁場下構造測定

    横田研太郎,花咲徳亮,*野上由夫,下村晋,小野寺秀也

    日本物理学会2009秋季大会 

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    Event date: 2009.9.25 - 2009.9.28

    Presentation type:Oral presentation (general)  

    Venue:熊本市  

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  • 六方晶タングステン酸化物の輸送特性

    奥迫俊樹,花咲徳亮,*野上由夫

    日本物理学会2009秋季大会 

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    Event date: 2009.9.25 - 2009.9.28

    Presentation type:Poster presentation  

    Venue:熊本市  

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  • フタロシアニン分子系伝導体TPP[Fe(Pc)(CN)2]2の強磁場下磁化測定

    立石拓麻,花咲徳亮,*野上由夫,徳永将史,松田真生,田島裕之,内藤俊雄,稲辺保

    日本物理学会2009秋季大会 

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    Event date: 2009.9.25 - 2009.9.28

    Presentation type:Oral presentation (general)  

    Venue:熊本市  

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  • β"-(BEDT-TTF)(TCNQ)の低温超格子構造

    小椋美鈴,花咲徳亮,*野上由夫,薬師久弥,山本浩史,加藤礼三

    日本物理学会2009秋季大会 

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    Event date: 2009.9.25 - 2009.9.28

    Presentation type:Oral presentation (general)  

    Venue:熊本市  

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  • X-ray diffraction in molecular conductor TPP[Fe(Pc)(CN)2]2 International conference

    T. Tateishi, N. Hanasaki, M. Tanabe, *Y. Nogami, M. Matsuda H. Tajima, T. Naito, and T. Inabe

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Poster presentation  

    Venue:Niseko  

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  • X-ray Modulation Structural Study of RENiC2 under High Magnetic Field International conference

    K. Yokota, M. Kakinuma, N. Hanasaki, T. Kambe, N. Ikeda, *Y. Nogami, S. Shimomura, E. Ohmichi, and H. Onodera

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Poster presentation  

    Venue:Niseko  

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  • Competition of Two Charge Ordering Domains in θ-(BEDT-TTF)2RbZn(SCN)4 International conference

    *Y. Nogami, N. Hanasaki, N. Ikeda, T. Kambe, M. Watanabe, Y. Noda, K. Yamamoto H. Toyokawa, H. Ohsumi, I. Terasaki, H. Mori, and T. Mori

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Oral presentation (general)  

    Venue:Niseko  

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  • Nonequilibrium Charge Ordering in θ-(BEDT-TTF)2MZn(SCN)4 (M=Cs, Rb; M=Co, Zn) International conference

    I. Terasaki, S. Tasaki, *Y. Nogami, M. Watanabe, H. Mori and T. Mori

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Oral presentation (general)  

    Venue:Niseko  

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  • Low Temperature Super-lattice Structure in β”-(BEDT-TTF)(TCNQ) International conference

    M. Ogura, N. Hanasaki, *Y. Nogami, K. Yakushi, H. M. Yamamoto, and R. Kato

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Poster presentation  

    Venue:Niseko  

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  • Pressure Effect on the Competing Charge Ordered States in θ-(BEDT-TTF)2CsZn(SCN)4 International conference

    M. Watanabe, M. Osanai, Y. Dohi, Y. Noda, Y. Nogami, I. Terasaki, H. Mori, and T. Mori

    8th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets 

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    Event date: 2009.9.12 - 2009.9.17

    Presentation type:Poster presentation  

    Venue:Niseko  

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  • θ-(BEDT-TTF)2MZn(SCN)4 (M=Cs,Rb)の非線形誘電率と電荷秩序ギャップ

    寺崎一郎,稲田太一,田崎秀一,野上由夫,渡邉真史,森初果,森健彦

    日本物理学会第64回年次大会 

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    Event date: 2009.3.27 - 2009.3.30

    Presentation type:Oral presentation (general)  

    Venue:東京都豊島区  

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  • θ-(BEDT-TTF)2MZn(SCN)4 (M=Cs,Rb)の低温電荷秩序構造

    *野上由夫,山本健一郎,柿沼光之,小椋美鈴,横田研太郎,花咲徳亮,池田直,神戸高志,張宇,眞苅伸明,立石拓麻,渡邉真史,小山内雅人,野田幸男,寺崎一郎,稲田太一,大西祐也他5名

    日本物理学会第64回年次大会 

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    Event date: 2009.3.27 - 2009.3.30

    Presentation type:Oral presentation (general)  

    Venue:東京都豊島区  

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  • RENiC2の磁場中構造測定

    柿沼光之,花咲徳亮,*野上由夫,下村晋,小野寺秀也

    日本物理学会第64回年次大会 

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    Event date: 2009.3.27 - 2009.3.30

    Presentation type:Oral presentation (general)  

    Venue:東京都豊島区  

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  • 時間分割2次元ディテクタPILATUSによる有機サイリスタの電流効果と時間変化

    *野上由夫 寺崎一郎

    第12回SPring-8シンポジウム 

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    Event date: 2008.10.30 - 2008.11.1

    Presentation type:Poster presentation  

    Venue:東京  

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  • θ-(BEDT-TTF)2RbZn(SCN)4の急冷・非線形伝導状態における電荷秩序競合と格子の変調

    渡邉真史,山本健一郎A,柿沼光之A,*野上由夫A,B,花咲徳亮A,池田直A,神戸高志A,横田研太郎A,伊藤崇芳C,豊川秀訓D,大隅寛幸D,小山内雅人E,野田幸男E,稲田太一F,寺崎一郎F,森初果B,G,森健彦H

    日本物理学会2008年秋季大会 

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    Event date: 2008.9.22

    Presentation type:Oral presentation (general)  

    Venue:岩手県盛岡市  

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  • 高圧下のθ-(BEDT-TTF)2CsZn(SCN)4における電荷秩序相と構造変調

    小山内雅人,渡邉真史A,野田幸男B,*野上由夫C,D,寺崎一郎E,森初果D,F,森健彦G

    日本物理学会2008年秋季大会 

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    Event date: 2008.9.22

    Presentation type:Oral presentation (general)  

    Venue:岩手県盛岡市  

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  • フタロシアニン分子系伝導体TPP[Fe(Pc)(CN)2]2の光電子分光

    花咲徳亮,田邉誠,脇田高徳,村岡祐司,横谷尚睦,*野上由夫,松田真生A,田島裕之A,武次徹也B,稲辺保B

    日本物理学会2008年秋季大会 

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    Event date: 2008.9.21

    Presentation type:Oral presentation (general)  

    Venue:岩手県盛岡市  

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  • NbSe3トポロジカル結晶におけるフラストレーション緩和

    常田琢,山本健一郎A,池田直A,*野上由夫A,丹田聡B

    日本物理学会2008年秋季大会 

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    Event date: 2008.9.20

    Presentation type:Oral presentation (general)  

    Venue:岩手県盛岡市  

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  • Current Effect on Structural Property of Organic Thyristor International conference

    *Yoshio Nogami

    第21回国際結晶学連合会議(IUCr2008)サテライト会議 国際結晶学連合会議(IUCr2008) 

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    Event date: 2008.8.21 - 2008.8.22

    Presentation type:Oral presentation (general)  

    Venue:大阪府千里市  

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  • θ-(BEDT-TTF)2MM'(SCN)4; (M=Cs,Rb, M'=Zn,Co)の電荷秩序 と構造変調

    渡邉真史、野田幸男,*野上由夫他

    ISSP ワークショップ:分子性導体の電荷揺らぎと非線形伝導 

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    Event date: 2008.5.21

    Presentation type:Oral presentation (general)  

    Venue:千葉県柏市  

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  • θ-(BEDT-TTF)2RbZn(SCN)4 の電荷秩序競合と 電子輸送

    山本健一郎、*野上由夫

    ISSP ワークショップ:分子性導体の電荷揺らぎと非線形伝導 

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    Event date: 2008.5.21

    Presentation type:Oral presentation (general)  

    Venue:千葉県柏市  

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  • β”-(BEDT-TTF)2AuBr2の低温超格子測定

    柿沼光之,花咲徳亮,野上由夫,近藤隆祐A,鹿児島誠一A

    日本物理学会第63回年次大会 

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    Event date: 2008.3.26

    Presentation type:Oral presentation (general)  

    Venue:大阪府  

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  • β''-(BEDT-TTF)2AuBr2の圧縮下電子物性

    近藤隆祐,鹿児島誠一,柿沼光之A,花咲徳亮A,野上由夫A

    日本物理学会第63回年次大会 

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    Event date: 2008.3.26

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    Venue:大阪府  

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  • θ-(BEDT-TTF)2CsZn(SCN)4における超格子の圧力変化

    渡邉真史,小山内雅人,野田幸男,*野上由夫A,B,寺崎一郎C,森初果D,森健彦E

    日本物理学会第63回年次大会 

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    Event date: 2008.3.24

    Presentation type:Oral presentation (general)  

    Venue:大阪府  

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  • θ-(BEDT-TTF)2RbZn(SCN)4の超急冷相での変調構造

    山本健一郎,花咲徳亮,野上由夫,柿沼光之,横田研太郎,池田直,神戸高志,渡邉真史A,野田幸男A,寺崎一郎B,稲田太一B,森初果C,森健彦D,伊藤崇芳E,豊川秀訓E,大隅寛幸E

    日本物理学会第63回年次大会 

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    Event date: 2008.3.24

    Presentation type:Oral presentation (general)  

    Venue:大阪府  

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  • o-TaS3における電場誘起ディスコメンシュレーション

    稲垣克彦,坪田雅功,東山和樹,市村晃一,丹田聡,山本健一郎A,花咲徳亮A,池田直A,*野上由夫A,伊藤崇芳B,豊川秀訓B

    日本物理学会第63回年次大会 

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    Event date: 2008.3.23

    Presentation type:Oral presentation (general)  

    Venue:大阪府  

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  • フタロシアニン分子系伝導体TPP[Fe(Pc)(CN)2]2の散漫散乱

    花咲徳亮,田邉誠,山本健一郎,*野上由夫,池田直,松田真生A,田島裕之A,瀧川仁A,稲辺保B

    日本物理学会第63回年次大会 

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    Event date: 2008.3.23

    Presentation type:Oral presentation (general)  

    Venue:大阪府  

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  • 強電場強磁場下のX 線回折

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」第8回シンポジウム 

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    Event date: 2008.1.7 - 2008.1.9

    Presentation type:Oral presentation (general)  

    Venue:東京都目黒区  

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  • Generalized Method of Structural Analysis for Micro Imperfect Crystals using SR International conference

    K. Yamamoto, Y. Nogami他

    Asian Crystallographic Association 2007 

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    Event date: 2007.11.4 - 2007.11.7

    Presentation type:Poster presentation  

    Venue:Taipei/Taiwan  

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  • 非線形伝導を示す有機伝導体の電流下構造変化

    *野上由夫

    第57回錯体化学討論会シンポジウム 

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    Event date: 2007.9.25

    Presentation type:Oral presentation (general)  

    Venue:名古屋市  

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  • θ-(BEDT-TTF)2CsM(SCN)4における電流密度に依存するエネルギーギャップ

    寺崎一郎,澤野文章,須子友博,田崎秀一,森初果A,B,森健彦C,*野上由夫B,D,池田直D,渡邉真史E,野田幸男E,

    日本物理学会第62回年次大会 

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    Event date: 2007.9.21

    Presentation type:Oral presentation (general)  

    Venue:北海道札幌市  

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  • 時間分割2次元ディテクタを用いたθ-(BEDT-TTF)2CsZn(SCN)4の電流下X線回折実験

    渡邉真史,山本健一郎A,伊藤崇芳B,花咲徳亮A,池田直A,*野上由夫A,C,豊川秀訓B,野田幸男,稲田太一D,須子友博D,寺崎一郎D,森初果C,E,森健彦F

    日本物理学会第62回年次大会 

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    Event date: 2007.9.21

    Presentation type:Oral presentation (general)  

    Venue:北海道札幌市  

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  • 磁場中高感度X 線カメラの製作と物性研究への応用

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」第7回シンポジウム 

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    Event date: 2007.7.19 - 2007.7.20

    Presentation type:Poster presentation  

    Venue:東京都文京区  

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  • theta-(BEDT-TTF)2Xにおける電荷秩序の電流融解と格子変化

    *野上由夫

    SPring-8「分子性導体の機能・構造相関の研究と放射光利用」研究会 

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    Event date: 2007.6.2 - 2007.6.4

    Presentation type:Oral presentation (general)  

    Venue:兵庫県  

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  • θ-(BEDT-TTF)2CsZn(SCN)4の非線形伝導と巨大格子変形

    渡邉真史,山本健一郎A,中島悠策A,伊藤崇芳B,田辺誠A,花咲徳亮A,池田直A,*野上由夫A,C,豊川秀訓B,野田幸男,寺崎一郎D,澤野文章D,須子友博D,森初果C,E,森健彦F

    日本物理学会2007年春季大会 

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    Event date: 2007.3.21

    Presentation type:Oral presentation (general)  

    Venue:鹿児島県鹿児島市  

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  • θ-(BEDT-TTF)2RbZn(SCN)4の結晶格子の温度変化とスピンパイエルス転移

    渡邉真史,*野上由夫A,B,野田幸男,森初果B,C

    日本物理学会2007年春季大会 

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    Event date: 2007.3.21

    Presentation type:Oral presentation (general)  

    Venue:鹿児島県鹿児島市  

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  • TMTTF2Xの低温構造6

    *野上由夫,伊藤崇芳A,山本健一郎,中村敏和B

    日本物理学会2007年春季大会 

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    Event date: 2007.3.19

    Presentation type:Oral presentation (general)  

    Venue:鹿児島県鹿児島市  

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  • TMTSF2Xの低温構造1

    中島悠策,*野上由夫A,神戸高志,大嶋孝吉

    日本物理学会2007年春季大会 

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    Event date: 2007.3.19

    Presentation type:Oral presentation (general)  

    Venue:鹿児島県鹿児島市  

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  • 放射光を用いたTaSe3トポロジカル結晶の歪み解析

    山本健一郎A,松浦徹B,丹田聡B,伊藤崇芳A,堀田慎太郎A,池田直D,*野上由夫A,C

    日本物理学会2007年春季大会 

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    Event date: 2007.3.18

    Presentation type:Oral presentation (general)  

    Venue:鹿児島県鹿児島市  

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  • θ系BEDT-TTF錯体に於ける電荷秩序とX線回折

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」強磁場有機研究会 

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    Event date: 2006.10.31 - 2006.11.1

    Venue:宮城県仙台市  

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  • 強磁場下高感度X線回折装置を目指して

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」強磁場有機研究会 

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    Event date: 2006.10.31 - 2006.11.1

    Venue:宮城県仙台市  

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  • 非線形電気伝導状態におけるθ-(BEDT-TTF)2CsZn(SCN)4 の格子変形

    渡邉真史, 伊藤崇芳, 山本健一郎, 中島悠策, 花咲徳亮, 池田直,*野上由夫, 大隅寛幸, 豊川秀訓, 野田幸男, 寺崎一郎, 澤野文章, 須子友博, 森初果, 森健彦

    日本物理学会2006年秋季大会 

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    Event date: 2006.9.23 - 2006.9.26

    Venue:千葉県千葉市  

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  • Low temperature Structural Study of a-(BEDT-TTF)2MHg(SCN)4 [M=K and Rb]

    Takayoshi Ito, Naoaki Irie, *Yoshio Nogami and Hatumi Mori

    International conference on technology and science of synthetic metals 2006(ICSM2006) 

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    Event date: 2006.7.8

    Venue:Dublin Ireland  

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  • X-ray diffraction for θ-(BEDT-TTF)2CsZn(SCN)4 in electric field- Current Effect on the Charge Disproportionation -

    M. Watanabe, T. Ito, K.-i. Yamamoto, N. Ikeda, Y. Nogami, H. Toyokawa, H. Ohsumi, Y. Nakashima, S. Horita, Y. Noda, I. Terasaki, F. Sawano, H. Mori and T. Mori

    International conference on technology and science of synthetic metals 2006(ICSM2006) 

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    Event date: 2006.7.6

    Venue:Dublin Ireland  

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  • Observation of Spin-Peierls Modulation in (TMTTF)2AsF6 by Synchrotron Radiation

    T. Ito, K. Yamamoto, *Y. Nogami, S. Horita, N. Ikeda and T. Nakamura

    International conference on technology and science of synthetic metals 2006(ICSM2006) 

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    Event date: 2006.7.5

    Venue:Dublin Ireland  

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  • Synchrotron radiation diffraction of CDW state in a ring shaped crystal

    K. Yamamoto, T. Ito, N. Ikeda, *Y. Nogami, S. Horita, S. Tanda, T. Matsuura, T. Tsuneta

    International conference on technology and science of synthetic metals 2006(ICSM2006) 

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    Event date: 2006.7.5

    Venue:Dublin Ireland  

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  • 低次元物質と遷移金属酸化物における電荷秩序

    *野上由夫 池田 直

    北海道大学21世紀COEプログラム「トポロジー理工学の創成」エンレイソウの会 

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    Event date: 2006.6.8

    Venue:北海道札幌市  

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  • 2005-2006の活動報告

    *野上由夫

    特定領域研究「新しい環境下における分子 性導体の特異な機能の探索」第三班 班会議 

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    Event date: 2006.6.2

    Venue:愛知県名古屋市  

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  • 低温強磁場散漫散乱カメラの開発

    堀田真太郎, 伊藤崇芳, 入江直明, 池田直, *野上由夫, 長尾暢顕, 神戸高志, 大嶋孝吉, 磯部正彦, 上田寛

    日本物理学会第61回年次大会 

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    Event date: 2006.3.29

    Venue:愛媛県松山市  

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  • (DMET)2BF4および(DMET)2PF6の低温結晶構造

    菅野奈緒子,*野上由夫,菊地耕一,西川 浩之

    日本物理学会第61回年次大会 

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    Event date: 2006.3.28

    Venue:愛媛県松山市  

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  • θ-(BEDT-TTF)2CsM'(SCN)4の放射光を用いたパルス電流下変調構造測定

    渡邉真史, 伊藤崇芳, 池田直, 山本健一郎, 豊川秀訓,大隅寛幸,中島悠策, 堀田真太郎, *野上由夫, 野田幸男, 寺崎一郎, 澤野文章, 森初果, 森健彦

    日本物理学会第61回年次大会 

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    Event date: 2006.3.27

    Venue:愛媛県松山市  

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  • NbSe3リング結晶のCDW衛星反射測定

    山本健一郎, 伊藤崇芳, 池田直, *野上由夫 , 堀田真太郎 , 松浦徹,丹田聡 , 常田琢

    日本物理学会第61回年次大会 

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    Event date: 2006.3.27

    Venue:愛媛県松山市  

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  • M2P-TCNQF4の低温結晶構造

    伊藤崇芳, 山本健一郎, *野上由夫, 池田直, 松崎弘幸,岡本博

    日本物理学会第61回年次大会 

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    Event date: 2006.3.27

    Venue:愛媛県松山市  

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  • α-(BEDT-TTF)2MHg(SCN)4 (M=K,Rb)の結晶構造と変調構造

    入江直明, 伊藤崇芳, 山本健一郎, 野上由夫, 池田直

    日本物理学会第61回年次大会 

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    Event date: 2006.3.27

    Venue:愛媛県松山市  

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  • 変調構造の磁場および電場下構造測定

    *野上由夫 池田直

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」第4回シンポジウム 

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    Event date: 2006.1.9 - 2006.1.10

    Venue:東京都  

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  • X-ray Structural Study of Charge and Anion Orderings of TMTTF Salts.

    *Yoshio Nogami1,2 , Takayoshi Ito1, Kenichiro Yamamoto1, Naoaki Irie1, Shintaro Horita1, Takashi Kambe1, Nobuaki Nagao1, Kokichi Oshima1, Naoshi Ikeda3 and Toshikazu Nakamura4

    INTERNATIONAL WORKSHOP ON ELECTRONIC CRYSTALS ECRYS-2005 

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    Event date: 2005.8.21 - 2005.8.27

    Venue:Cargese, France  

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  • Structural Study of Charge Ordering and Anion Ordering of (TMTTF) 2X

    *Yoshio Nogami, Takayoshi Ito, Kenichiro Yamamoto, Naoaki Irie, Shintaro Horita, Takashi Kambe, Nobuaki Nagao, Kokichi Oshima, Naoshi Ikeda and Toshikazu Nakamura

    International Symposium on Molecular Conductors 

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    Event date: 2005.7.17 - 2005.7.21

    Venue:HAYAMA,KANAGAWA,JAPAN  

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  • Structural Modulation in θ-(BEDT-TTF)2CsZn(SCN)4 under Electric Field

    Masashi Watanabe, Takayoshi Ito, Kenichiro Yamamoto, Naoshi Ikeda, *Yoshio Nogami, Yukio Noda, Ichiro Terasaki, Hatsumi Mori and Takehiko Mori

    International Symposium on Molecular Conductors 

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    Event date: 2005.7.17 - 2005.7.21

    Venue:HAYAMA,KANAGAWA,JAPAN  

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  • 実験室系における強磁場低温高感度X線カメラの開発

    *野上由夫

    物性研究所短期研究会「ミクロプローブを用いた強磁場物性研究の展開?現状と将来?」 

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    Event date: 2005.6.14

    Venue:千葉県柏市  

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  • θ-(BEDT-TTF)2CsM'(SCN)4の低温電場下X線散乱 I

    渡邉真史,池田直,伊藤崇芳,*野上由夫,小宮山聰,野田幸男,寺崎一郎,森初果,森健彦

    日本物理学会2005年春季大会 

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    Event date: 2005.3.25

    Venue:千葉県野田市  

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  • (TMTTF)2Xの低温構造5

    *野上由夫,伊藤崇芳,池田直,中村敏和,山本健一郎,入江直明,堀田真太郎

    日本物理学会2005年春季大会 

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    Event date: 2005.3.24

    Venue:千葉県野田市  

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  • STRUCTURE ANALYSES OF TOPOLOGICAL CRYSTALS USING SYNCHROTRON RADIATION

    *Y. NOGAMI,1,2 T. TSUNETA, 3,4 K. YAMAMOTO,1 N. IKEDA,5 T. ITO,1 N. IRIE,1 AND S. TANDA3

    International Conference on "Topology in Orderd Phases"(TOP2005) 

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    Event date: 2005.3.8 - 2005.3.10

    Venue:Sapporo  

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  • DEVELOPMENT OF X-RAY ANALYSIS METHOD FOR TOPOLOGICAL CRYSTALS

    K. YAMAMOTO,T. ITO,N. IKEDA,S. HORITA,N. IRIE,*Y. NOGAMI,1,3 T. TSUNETA, 4,5 AND S. TANDA4

    International Conference on "Topology in Orderd Phases"(TOP2005) 

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    Event date: 2005.3.8 - 2005.3.10

    Venue:Sapporo  

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  • 極限環境下のX線回折

    *野上由夫

    特定領域研究「新しい環境下における分子 性導体の特異な機能の探索」第3回シンポジウム 

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    Event date: 2005.1.7 - 2005.1.8

    Venue:京都市  

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  • θ-(BEDT-TTF)2CsM'(SCN)4の変調構造の電流による変化

    渡邉真史,伊藤崇芳,山本健一郎,池田直,*野上由夫,野田幸男,寺崎一郎,森初果,森健彦

    日本物理学会2004年秋季大会 

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    Event date: 2004.9.19

    Venue:京都府京田辺市  

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  • X線回折で見たETと擬一次元系の電荷秩序

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」ワン・デイ・シンポジウム 

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    Event date: 2004.8.3

    Venue:東京都  

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  • Recent crystal structural investigations of (TMTTF)2X

    *Yoshio Nogami

    THE INTERNATIONAL CONFERENCE ON SYNTHETIC METALS 

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    Event date: 2004.6.28

    Venue:WOLLONGONG, AUSTRALIA  

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  • 低次元物質の構造研究の進展と強磁場極低温下広領域計測の試み

    *野上由夫

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」第2回シンポジウム 

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    Event date: 2004.6.19 - 2004.6.20

    Venue:東京都  

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  • Recent progress in low temperature structural study of (TMTTF)2X

    *Y. Nogami, N. Ikeda, T. Nakamura, T. Kambe, and K. Oshima

    特定領域研究「新しい環境下における分子性導体の特異な機能の探索」第1回シンポジウム 

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    Event date: 2004.1.19 - 2004.1.20

    Venue:東京都  

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  • (TMTTF)2Xの低温構造4

    *野上由夫,神戸高志,長尾暢顕,藤原基靖,大嶋孝吉,池田 直,中村敏和

    日本物理学会2003年秋季大会 

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    Event date: 2003.9.23

    Venue:岡山市  

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  • ハロゲン架橋一次元MX錯体[NiBr(chxn)2]Br2,[NiCl(chxn)2]Cl2のスピンパイエルス構造変調

    *野上由夫,小野円佳,松崎弘幸,岡本 博

    日本物理学会2003年秋季大会 

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    Event date: 2003.9.23

    Venue:岡山市  

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  • C60TDAEの低温における結晶構造II

    藤原基靖,神戸高志,*野上由夫,大嶋孝吉

    日本物理学会2003年秋季大会 

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    Event date: 2003.9.21

    Venue:岡山市  

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  • α'-(BEDT-TTF)2IBr2の低温精密構造

    *野上由夫,神戸高志,大嶋孝吉,斎藤軍治

    日本物理学会2003年秋季大会 

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    Event date: 2003.9.20

    Venue:岡山市  

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  • ZrTe3のCDW変調の低温X線観測

    *野上由夫,山谷和彦,丹田聡,稲垣克彦

    日本物理学会2003年秋季大会 

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    Event date: 2003.9.20

    Venue:岡山市  

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  • θ-BEDT-TTF2RbZn(SCN)4の高圧下・絶縁相における結晶構造

    渡邉真史,小宮山聰,野田幸男,*野上由夫,森初果,池田直

    日本物理学会第58回年次大会 

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    Event date: 2003.3.31

    Venue:仙台市  

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  • β’-CuxV2O5の変調構造のX線測定(X=0.29,0.39)

    長尾暢顕,*野上由夫,大嶋孝吉,山田浩之,上田寛

    日本物理学会第58回年次大会 

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    Event date: 2003.3.30

    Venue:仙台市  

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  • C60TDAEの低温における結晶構造

    藤原基靖,神戸高志,*野上由夫,大嶋孝吉

    日本物理学会第58回年次大会 

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    Event date: 2003.3.29

    Venue:仙台市  

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  • Cd2Re2O7の高Tc試料の構造

    神戸高志,*野上由夫,大嶋孝吉

    日本物理学会第58回年次大会 

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    Event date: 2003.3.29

    Venue:仙台市  

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  • (TMTTF)2Xの低温構造3

    *野上由夫,神戸高志,長尾暢顕,藤原基靖,大嶋孝吉,中村敏和,池田 直

    日本物理学会第58回年次大会 

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    Event date: 2003.3.28

    Venue:仙台市  

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  • τ型有機伝導体の超格子構造

    鴻池貴子,*野上由夫,吉野治一,G.C.Papavassiliou,村田惠三

    日本物理学会2002年秋季大会 

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    Event date: 2002.9.6

    Venue:名古屋市  

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  • The charge ordered state and the possible 2kF-CDW state with Fermi surface nesting in organic conductor q-BEDT-TTF)2MM'(SCN)4 (MM'=RbZn, CsCo).

    M.Watanabe, Y.Noda, *Y.Nogami K.Oshima and H.Mori

    INTERNATIONAL WORKSHOP ON ELECTRONIC CRYSTALS ECRYS-2002 

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    Event date: 2002.9.2 - 2002.9.7

    Venue:St. Flour, France  

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  • Unusual 2kF CDW state with enhanced charge ordering in β-(BEDT-TTF)2AsF6 and PF6

    *Y. Nogami and T. Mori

    INTERNATIONAL WORKSHOP ON ELECTRONIC CRYSTALS ECRYS-2002 

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    Event date: 2002.9.2 - 2002.9.7

    Venue:St. Flour, France  

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  • X-ray observation of 2kF and 4kF charge orderings in (TMTTF)2ReO4 and (TMTTF)2SCN associated with anion orderings

    *Y. Nogami and T. Nakamura

    INTERNATIONAL WORKSHOP ON ELECTRONIC CRYSTALS ECRYS-2002 

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    Event date: 2002.9.2 - 2002.9.7

    Venue:St. Flour, France  

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  • Effects of Tungsten doping on the CDW states of η-Mo4O11

    T. Kambe, S. Tsuboi, N. Nagao, *Y. Nogami, K. Oshima

    International conference on low temperature physics LT23 

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    Event date: 2002.8.20 - 2002.8.27

    Venue:広島  

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  • High field Fermi surfaces studied by AMRO in η-Mo4O11

    K. Oshima, T. Kambe, *Y. Nogami, T. Sasaki

    International conference on low temperature physics LT23 

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    Event date: 2002.8.20 - 2002.8.27

    Venue:広島  

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  • X-ray study of modulated structures of β-CuxV2O5 (x=0.29,0.39)

    N. Nagao, *Y. Nogami, K. Oshima, H. Yamada and Y. Ueda

    International conference on low temperature physics LT23 

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    Event date: 2002.8.20 - 2002.8.27

    Venue:広島  

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  • Shubnikov-de Haas Oscillations and Fermi Surface of τ-Phase Conductors

    T. Konoike, K. Iwashita, I. Nakano, H. Yoshino, T. Sasaki, *Y. Nogami, J. S. Brooks, D. Graf, C. H. Mielke, G. C. Papavassiliou, K. Murata

    International conference on low temperature physics LT23 

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    Event date: 2002.8.20 - 2002.8.27

    Venue:広島  

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  • Superlattice structural analysis of (TTM-TTP)I3 at low temperatures

    *Y. Nogami, T. Kambe, N. Fujimura, K. Oshima, T. Mori and T. Kawamoto

    International conference on science and technology of systhetic metals, ICSM2002 

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    Event date: 2002.6.29 - 2002.7.5

    Venue:Shanghai, China  

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  • Shubnikov-de Haas Oscillations and Low Temperature Electric Structure in τ-Phase Conductors

    T. Konoike, K. Iwashita, I. Nakano, H. Yoshino, T. Sasaki, T. Takahashi, *Y. Nogami, J. S. Brooks, D. Graf, C. H. Mielke, G. C. Papavassiliou, K. Murata

    International conference on science and technology of systhetic metals, ICSM2002 

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    Event date: 2002.6.29 - 2002.7.5

    Venue:Shanghai, China  

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  • Fermi surface and low temperature structure in (DMET-TSeF)2Au(CN)2

    K. Kato, K. Oshima, T. Kambe, *Y. Nogami, T. Sasaki, M. Motokawa and R. Kato

    International conference on science and technology of systhetic metals, ICSM2002 

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    Event date: 2002.6.29 - 2002.7.5

    Venue:Shanghai, China  

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  • Orientational ordering of distorted C60 in ferromagnetic TDAE-C60

    M. Fujiwara, T. Kambe, *Y. Nogami, K. Oshima

    International conference on science and technology of systhetic metals, ICSM2002 

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    Event date: 2002.6.29 - 2002.7.5

    Venue:Shanghai, China  

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  • TDAE-C60のポリマー相の磁性と構造

    藤原基靖,神戸高志,大嶋孝吉,*野上由夫,S. Garaj,L. Forro

    日本物理学会第57回年次大会 

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    Event date: 2002.3.24

    Venue:草津市  

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  • θ-(BEDT-TTF)2RbZn(SCN)4の高圧下での超格子の形成

    渡邉真史,望月桂介,前崎史朗,野田幸男,*野上由夫,森初果

    日本物理学会第57回年次大会 

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    Event date: 2002.3.24

    Venue:草津市  

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  • Charge ordering in organic compounds observed by X-ray.

    *Yoshio Nogami

    Internatinal Workshop on Control of Conduction Mechanism in Organic Conductors(ConCOM2002) 

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    Event date: 2002.1.27 - 2002.1.29

    Venue:神奈川県逗子市  

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  • θ-(BEDT-TTF)2Rb(SCN)4 (M=Zn,Co)の低温結晶構造

    渡邉真史,野田幸男,*野上由夫,森初果,田中昭二

    日本物理学会2001年秋季大会 

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    Event date: 2001.9.17

    Venue:徳島市  

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  • β-(BEDT-TTF)2PF6の電荷密度波変調のX線構造解析

    *野上由夫,森健彦,川本正

    日本物理学会2001年秋季大会 

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    Event date: 2001.9.17

    Venue:徳島市  

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  • (TTM-TTP)I3の低温変調構造解析

    *野上由夫,神戸高志,大嶋孝吉,森健彦,川本正

    日本物理学会2001年秋季大会 

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    Event date: 2001.9.17

    Venue:徳島市  

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  • (TMTTF)2Xの低温構造I

    *野上由夫,中村敏和

    日本物理学会2001年秋季大会 

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    Event date: 2001.9.17

    Venue:徳島市  

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  • (CHTM-TTP)2TCNQの低温超格子構造

    *野上由夫,大嶋孝吉,谷口 正輝A,御崎洋二,田中一義,中村敏和

    日本物理学会 第56回年次大会 

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    Event date: 2001.3.27

    Venue:立川市  

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  • (CHTM-TTP)2TCNQの磁気的性質

    中村敏和,谷口正輝,御崎洋二,田中一義,*野上由夫

    日本物理学会 第56回年次大会 

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    Event date: 2001.3.27

    Venue:立川市  

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  • Two incommensurate CDWs in low-dimensional conductor eta-Mo4O11.

    *Y. Nogami T. Kambe, N. Nagao, K. Oshima

    International Conference on Science and Technology of Synthetic Metals(ICSM2000) 

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    Event date: 2000.7.20

    Venue:Gastein Austria  

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  • Low temperature X-ray and ESR study of Quasi-1D DMTCA-BF4(C=S,Se) with half filled band.

    T. Kambe, N. Fujimura, *Y. Nogami, K. Oshima, K. Yakushi, J. Dong, K. Takimiya, T. Otsubo.

    International Conference on Science and Technology of Synthetic Metals(ICSM2000) 

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    Event date: 2000.7.18

    Venue:Gastein Austria  

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  • Relation between structural and electronic properties under physical or chemical pressure in organic solids

    *Y.Nogami

    International Workshop on Control of Conduction Mechanism in Organic Condoctors(ConCOM'99) 

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    Event date: 1999.11.22 - 1999.11.24

    Venue:Hajiouji  

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  • NaV2O5の低温構造の対称性

    長尾暢顕,*野上由夫,大嶋孝吉,磯部正彦,上田寛

    日本物理学会1999年秋の分科会 

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    Event date: 1999.9.25

    Venue:盛岡市  

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  • TDAE-C60の磁性と構造へのアニール効果

    神戸高志,*野上由夫,大嶋孝吉,開康一

    日本物理学会1999年秋の分科会 

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    Event date: 1999.9.24

    Venue:盛岡市  

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  • X-ray structural study of 4kF Wigner crystal and 4kF Peierls state in DCNQI complex with 1/4 filled quasi one-dimensional band

    *Y. Nogami, K. Oshima, K. Hiraki, K. Kanoda

    International Workshop on Electronic Crystals(ECRYS99) 

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    Event date: 1999.5.31 - 1999.6.5

    Venue:La Colle-sur-Loup  

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  • (DIDCNQI)2Agの4kF電荷変調と(DIDCNQI)2Cuの2kF格子歪

    *野上由夫

    物性研究所短期研究会「強相関電子系としての分子性導体」 

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    Event date: 1999.5.11

    Venue:東京  

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  • DMTSA-BF4のスピン磁化率の温度依存性

    難波淳,神戸高志,*野上由夫,大嶋孝吉,薬師久弥,薫健,瀧宮和男,大坪徹夫

    日本物理学会第54回年会 

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    Event date: 1999.3.31

    Venue:広島市  

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  • (XDCNQI)2Ag(X=DI,BrI,DM,DBr)の構造解析と低温超格子構造

    *野上由夫,山本裕子,大嶋孝吉,開康一,鹿野田一司

    日本物理学会第54回年会 

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    Event date: 1999.3.30

    Venue:広島市  

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  • ET,DCNQIの電荷状態(X線構造解析)

    *野上由夫

    ワークショップ「分子システムにおける価数不安定性と電荷秩序」 

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    Event date: 1999.1.29

    Venue:東京  

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Research Projects

  • Quantum properties of true topological semimetal of single-crystal RTeSb with precise symmetric decision and carrier control.

    Grant number:22K03528  2022.04 - 2025.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    野上 由夫, 近藤 隆祐

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    Grant amount:\4290000 ( Direct expense: \3300000 、 Indirect expense:\990000 )

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  • Charge density waves in Lanthanoid low-dimensional materials sensitive to external field observed by x-ray camera under Magnetic field.

    Grant number:16K05404  2016.04 - 2020.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    Nogami Yoshio

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    Grant amount:\4680000 ( Direct expense: \3600000 、 Indirect expense:\1080000 )

    Charge density wave 1(CDW1) (1/2 0.5+δ 0)was observed for rare-earth low-dimensional materials RNIC2. The CDW1 was very sensitive to the external field such as magnetic field and physical pressure. In the present study, we developed single crystals for heavy rare-earth RNIC2 and observed another modulated structure at the reduced wave vector of (1/2 1/2 1/2) at higher transition temperature than that of CDW1. Using atomic coordinates observed Synchrotron radiation diffraction of CDW2 superstructure, we calculated the electronic structure and found the wave vector (1/2 1/2 1/2) of CDW2 was equal to the nesting vector of the Fermi surface. We proposed the structural phase diagram for RNIC2 including CDW1 and CDW2.

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  • Study of CDW in RNiC2

    Grant number:26400362  2014.04 - 2017.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    Ryusuke Kondo, NOGAMI Yoshio

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    Grant amount:\4810000 ( Direct expense: \3700000 、 Indirect expense:\1110000 )

    Interplay between 4f-localized spins on Lanthanide atoms and Charge-density-waves on conducting bands is investigated in the rare earth intermetallic compound, RNiC2 system. The conduction bands are constructed of d-orbital of Lanthanide atoms and Nickel atoms and p-orbital of Carbon atoms. For this purpose, we have developed a Guinier-type x-ray monochromatic Laue Camera down to 3 K of the lowest temperature and up to 10 T of the highest magnetic field. Employing this camera, we have clarified relationships between the magnetic order of 4f-localized spin and the CDWs on the conduction bands in the field-induced structural phase transition of (Nd, Dy)NiC2.
    In addition to that, origin of the commensurate phase of YNiC2 has been revealed performing a single crystalline structure analysis method.

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  • Investigation into giant magnetoresistance in molecular conductor by resonant x-ray scattering

    Grant number:24340084  2012.04 - 2016.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    Hanasaki Noriaki, NOGAMI Yoshio

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    Grant amount:\19630000 ( Direct expense: \15100000 、 Indirect expense:\4530000 )

    In this study, we investigated the mechanism of the giant magnetoresistance observed in the phthalocyanine (Pc) molecular conductor. We found that the x-ray absorption spectra are sensiive to the Pc molecular charge just above the Fe K edge, and tried to detect the charge order of the pi conduction electron by measuring the resonant x-ray scattering. We found that the intramolecular interaction between the pi conduction electron and the d local moment is a ferromagnetic one, which is larger than 500K. This indicates that the magnetic order of the local moments controls the stability of the charge order in the pi conduction electron system. We reduced the density of the local moments by substituting with the Co atom, and observed the giant magnetoresistance in the low spin density. This giant magnetoresistance cannot be explained by the conventional model such as the manganese oxides, indicating the nontrivial electronic state.

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  • Correlation physical property, charge-density-wave and superconductivity in Rare-earth compound crystals which has no inversion symmetry.

    Grant number:24540374  2012.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    NOGAMI Yoshio, KONDO Ryusuke

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    Grant amount:\5070000 ( Direct expense: \3900000 、 Indirect expense:\1170000 )

    It was known that SmNiC2 whose crystal structure has no inversion symmetry shows Charge-Density-Wave(CDW) breaking with cooling at Curie Temperature. Interested in this phenomenon, we made single crystals with good quality for many kinds of RNiC2 (R=La, Ce, Pr, Nd, Sm, Gd, Dy, Y, Ho, Er), and measured physical and structural properties. We found two kinds of modulated structures whose wave vector are incommensurate ( 0.5 0.52, 0) and commensurate (0.5 0.5 0.5). Both superstructure were stabilized by lattice parameter shrinkage i. e, the formation temperature of CDW increases with the atomic number. Between Pr and Gd, there is only incommensurate superstructure with resistivity upturn(CDW) and the CDW was destroyed by the external field for at least R=Nd, Sm, Gd. For Dy and Y the competition among two superstructure was observed around room temperature. R=Ho and Er compounds show only the commensurate superlattice above room temperature.

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  • Creation and control of charge cluster glass phases

    Grant number:21340106  2009 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    TERASAKI Ichiro, KOBAYASHI Wataru, KATSUFUJI Takuro, MORI Hatsumi, MORI Takehiko, NOGAMI Yoshio

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    Grant amount:\17550000 ( Direct expense: \13500000 、 Indirect expense:\4050000 )

    Charge order is a kind of electronic phase that is realized in strongly correlated electron systems, which is driven by the inter-site Coulomb repulsion. Thus depending on the anisotropy of the inter-site Coulomb repulsion, conduction electrons are regularly localized with different patterns. Some of them will compete and coexist to show a glass-like pattern consisting of charge-ordered domains. The principal investigator calls this“charge cluster glass", and have tried to create and control this new electron phase. Some of the results highlights(1) a charge cluster glass is created in rapidly-cooledθ-(BEDT-TTF) 2RbZn(SCN) 4, and the nonlinear conduction in this glass phase is controlled,(2) anomalous dielectric relaxation is discovered inκ-(BEDT-TTF) 2Cu2(CN) 3, which is ascribed to a cluster glass phase of different antiferroelectric domains,(3) a new type of cluster glass phase is discovered inβ-(meso-DMBEDT-TTF) 2PF6, which is composed of dimmer Mott insulator phase and charge ordered phase. Through these findings, the principal investigator has clarified that the cluster glass phases discovered in this research share generic features in common as a competing ordered state in strongly correlated electron systems.

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  • Charge and spin order in molecular conductor exhibiting giant magnetoresistance

    Grant number:21540361  2009 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    HANASAKI Noriaki, NOGAMI Yoshio

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    Grant amount:\4290000 ( Direct expense: \3300000 、 Indirect expense:\990000 )

    In the phthalocyanine molecular conductor, the giant magnetoresistance is observed. In order to clarify the mechanism of this magnetoresistance, we performed the high precision X-ray diffraction measurement under the high magnetic field. We found that the strength of the diffuse streak having the wave number of 4k_F decreases under the applied magnetic field. If this diffuse streak is ascribed to the charge order, the giant magnetoresistance is caused by the magnetic-field-induced suppression of the charge order.

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  • Observation of Charge 0rdering in Organic Dielectric Compounds using Time Resolved Synchrotron Radiation

    Grant number:21540323  2009 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    NOGAMI Yoshio, IKEDA Naoshi

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    Grant amount:\4550000 ( Direct expense: \3500000 、 Indirect expense:\1050000 )

    Organic thyristor showing giant non-linear conduction leading particular DC-AC current conversion was caused by the melting of the charge ordering by electronic current. Since, the charge ordering can produce organic dielectric materials, the realization of melting and reordering process of the charge ordering is very important to develop organic ferroelectrics. We observed variation of the two competing charge ordering and the time constant of melting and freezing for two fold charge ordering is more than several ten msec using Synchrotron Radiation under current.

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  • Frustration and Quantum Transport

    Grant number:19052003  2007 - 2011

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Priority Areas

    TSUNETSUGU Hirokazu, HIROI Zenji, NAKATUSUJI Satoru, NAKAMURA Hiroyuki, FUJIMOTO Satoshi, HANASAKI Noriaki, NOGAMI Yoshio

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    Grant amount:\138300000 ( Direct expense: \138300000 )

    We have succeeded in purification of various standard materials with geometrical frustration and also discovered many new frustrated materials. We have observed transport properties where unconventional fluctuations like chirality play an essential role. We also have made theoretical predictions of transport phenomena originating from quantum Berry phase. We have also demonstrated the effects of frustrated spin fluctuations on metal-insulator transition, and shown a new criticality in electric transport.

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  • Cross correlation between charge and magnetism in molecular materials

    Grant number:19540341  2007 - 2008

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    HANASAKI Noriaki, IKEDA Naoshi, NOGAMI Yoshio

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    Grant amount:\4420000 ( Direct expense: \3400000 、 Indirect expense:\1020000 )

    フタロシアニン分子を主な研究対象として、π電子系の電荷自由度と遷移金属のd電子系の電子スピン自由度に着目した新しい誘電物性を開拓することを目的とした。本研究において、フタロシアニン分子系物質で磁場印加による誘電率の急激な上昇を観測することに成功した。さらに、格子定数に対して2倍の周期を有するπ電子系の電荷秩序構造をX線回折で発見し、本物質の絶縁化が電子相関効果に起因することを明らかにした。

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  • 強相関有機誘電体の電荷秩序の直接観測

    Grant number:18654055  2006 - 2007

    日本学術振興会  科学研究費助成事業  萌芽研究

    野上 由夫, 池田 直

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    Grant amount:\3400000 ( Direct expense: \3400000 )

    本年度は,有機伝導体θ-(BEDT-TTF) 2CsM (SCN) 4 (M=Co, Zn)の巨大非線形伝導と電荷秩序の局所構造との関係を精密構造解析によって明らかにした。この物質は,3桁におよぶ巨大な非線形伝導と,ダイオードを2個連結したサイリスタ素子と同じ電流-電圧特性を示すため,我々は有機サイリスタと呼んだ(Nature 437 (2005) 522)。これは本質的な電流によって引き起こされた,非平衡現象であるとともに,全く新しいデバイス物理の芽を提案している。
    有機サイリスタ結晶にパルス電流を通電しつつ,ミリ秒オーダーの時間分解X線回折を行い,電荷秩序融解のダイナミクスを明らかにすることを試みた。この結果電荷秩序の融解は約50msec,再凍結は100msec以上で起こっており,これは有機サイリスタとしての発振周波数40Hzと整合する。またこの系の場合はBEDT-TTF分子がわずかに回転することによってクーロン斥力を減らそうとする(J. Phys. Soc. Jpn. 74 (2005) 2011)。したがって,電荷秩序が融解すれば分子の回転ももとに戻るはずである。このような電流-格子結合が実際にこの系で観測された。ブラッグ反射の電流依存性を詳細に測定することによって,格子は電流に比例して変化することがわかった。格子の変形は数mA(1V以下の電圧)で0.01%に達する。このときピエゾ定数(歪み量を電圧で割った量)は圧電材料PZTの1000倍以上に達する。この効果は電流によって電荷秩序が融解する効果であるから,歪みは電流の向きによらない。

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  • 分子性導体の電荷配列の極低温及び強磁場下X線による観測

    Grant number:15073217  2003 - 2007

    日本学術振興会  科学研究費助成事業  特定領域研究

    野上 由夫, 大嶋 孝吉, 神戸 高志, 池田 直

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    Grant amount:\66100000 ( Direct expense: \66100000 )

    世界で初めてとなる,超高感度10T磁場下回折装置と磁場中散漫散乱カメラを用いて,磁場下で量子ホール効果示す低次元物質η-Mo4011のX線散漫散乱写真を撮影した。6Kの極低温下では,二種類の電荷密度波転移の内,比較的振幅の大きなCDW1形成に伴う衛星反射だけではなく,特に微弱なCDW2形成に伴う衛星反射を観測する事に成功した。同一の写真に10ヶ以上の反射の撮影に成功しており,これは低温用X線カメラとしても世界最高性能であることを示している。更に8T以上の強磁場でCDW2の衛星反射位置が一次元方向b*成分に大きく変化することを観測した。この磁場領域では磁気輸送や磁場下光学特性にも異常があらわれることと考えあわせると,磁場による電子状態の変化が引き起こされていると考えられる。この装置は低次元分子性導体のような,様々な波数,つまり予測不能な波数の変調構造が現れ,それが電子状態に大きな影響を及ぼす系の構造科学研究にとって不可欠である。更に,EuO. 6SrO. 4MnO3の絶縁体-金属転移に関連し,同じく世界初となる高感度磁場中回転カメラ用いて磁場中冷却の金属相では,磁場なし冷却の絶縁相とくらべ,格子が明瞭に変化していることを観測した。つまり,磁場により格子の歪みが少ない金属相が安定となることを示した。これはこの系の物性が基本的に二重交換相互作用に支配されていることを示している。極低温で2種類の電荷秩序が競合するθ-(BEDT-TTF)2CsZn(SCN)4では,高電場下で巨大な非線形伝導やサイリスタ動作と関連し,3倍の電荷変調は変化しないが,2倍の電荷変調が減少すること,さらにその電荷変調の消長に格子定数の変化が同期していることを見いだした。

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  • フラーレンを用いた強磁性体の探索と物性研究

    Grant number:11165228  1999 - 2000

    日本学術振興会  科学研究費助成事業  特定領域研究(A)

    大嶋 孝吉, 神戸 高志, 野上 由夫

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    Grant amount:\3000000 ( Direct expense: \3000000 )

    C_<60>-TDAEの強磁性発見以来,C_<70>-TDAEの磁性については多くの研究があるが,構造研究はほとんどなく,理由なくこれまでC_<60>-TDAEに準ずるものと考えられ,常磁性体として扱われてきた.C_<70>はフラーレン系ではC_<60>にならぶ得やすい分子であり,この違いを明らかにすることは非常に重要である.強磁性を発現する機構と同時に,強磁性が得られない理由も議論する必要がある.C_<60>-TDAEについては最近低温構造が決定されたが,我々研究では,C_<60>-TDAEについても,まだ構造的に解明すべき点が多くある.
    同じ製法でも,C_<70>-TDAEの系は作成過程で溶媒をとりこんだ構造となることが我々の研究で明かとなり,国際会議ISMN2001で報告した.この系は,様々な物性をこれまでの研究結果と比較すると,C_<70>-TDAEとされてきたものと同じものと思われる.したがって,この系のC_<60>-TDAEとの対比研究はふりだしにもどったことになる.溶媒の含まないC_<70>-TDAEを作成できれば,C_<60>-TDAEと同様な強磁性の発現の可能性は依然として残されていることになる.また最近我々は,C_<60>-TDAEの系で,TDAEが磁性を示さない理由を解明し報告の準備中である.

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  • X線回折法による有機低次元導体の電子相関と電荷秩序との研究

    Grant number:10740172  1998 - 1999

    日本学術振興会  科学研究費助成事業  奨励研究(A)

    野上 由夫

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    Grant amount:\2400000 ( Direct expense: \2400000 )

    有機導体の電子相関と電荷秩序を研究するために,低温X線カメラの開発をおこなった.このカメラは高S/Nという点で市販品より特に優れている。冷却器とX線カメラを組み合わせれば、低温X線カメラを作成することは難しくない。しかし、X線窓や窒素冷媒などからの散乱を除去することが難しかったため,高S/Nの低温X線カメラは存在しなかった。本研究では、ノイズシールドを冷却部分に設置し、試料が回転する場合にも、磁気カップルによってノイズシールドを固定し、ノイズ除去に成功した。これにより微弱信号も多数、測定する事が可能になり,電荷変調や価数秩序の解析がおこなえるようになった。
    本研究で明らかになった結果をごく手短に述べる.1)(DIDCNQI)2Cuの低温高圧絶縁状態 低温高圧で変調構造に起因する微弱信号を検出し,この物質の絶縁状態が予測とは違う2kFCDWとCuの価数秩序状態であることを明らかにした。2)κ-(BEDT-TTF)2Cu[N(CN)2]Xの低温絶縁相 この物質では,低温でのダイマー性の変化(構造変化)が電子相関を変化させ,d波超伝導からモット絶縁体までの基底状態を決定する。3)(DCNQI)2Agの電荷変調と4kFCDW 最近接クーロン相互作用Vの効果により,ウィグナー格子(電荷秩序)が形成される場合と,短距離クーロン反発Uによる4kFCDWが形成される場合の両方が存在する。4)θ-(BEDT-TTF)2CsM'(SCN)4の電荷変調と2kFCDW この物質でも,電荷秩序相が形成される。しかし競合するのは2kFCDWである。5)C60TDAE 強磁性が発現する状態では、より高い温度で必ず構造相転移が生じている。6)TTMTPI3 2種類の変調構造に対応し、金属非金属転移と非磁性転移が別の温度で起こる。スピン電荷分離が生じている可能性もある。

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  • The X-ray Study of the Field Induced Spin Density Wave State in TMTSF based

    Grant number:09304041  1997 - 1999

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

    OSHIMA Kokichi, MACHIDA Kazushige, NOGAMI Yoshio

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    Grant amount:\4800000 ( Direct expense: \4800000 )

    In these 3 years, we have obtained following results.
    1. The low temperature X-ray measurements in the high magnetic fields have been performed.
    2. New experimental results in DMET-TSeF system which is similar to the TMTSF have been obtained. Especially, the international collaborations have been accomplished in the high field measurements.
    3. Theoretical investigations have been performed on the high field phase of the FISDW state of TMTSF systems using an extended standard theory considering anion potentials.
    A few of the present works have been already published, especially on the experimental techniques which are inevitable in our study.
    We have found peculiar and characteristic properties in the FISDW states of DMET-TSeF based compounds which are (DMET-TSeF)ィイD22ィエD2AuCLィイD22ィエD2 and (DMET-TSeF) ィイD22ィエD2AuIィイD22ィエD2. The results on the Hall effect in the high field regime using hybrid-magnets are completely different among each other. The results indicate that the sliding effect in the FISDW state is more important in the DMET-TSeF system than in the TMTSF system.

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  • 有機伝導体DCNQICu錯体の圧力誘起多段階金属絶縁体転移のX線による研究

    Grant number:08874030  1996

    日本学術振興会  科学研究費助成事業  萌芽的研究

    野上 由夫

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    Grant amount:\2400000 ( Direct expense: \2400000 )

    表題物質に属する(DMeDCNQI)_2Cuでは,一次元的にならぶ有機DMeDCNQI分子のπ電子と隣接するCu原子のd電子が混成しているが,加圧またはXの部分の置換により,金属絶縁体転移を起こす。加圧下での構造測定は困難なため,置換体(DXDCNQI)2Cu(X=Iヨウ素以外)で常圧下で起こる金属絶縁体転移に伴う構造変化が系統的に研究され,置換体での金属絶縁体転移は,CDW転移とMott転移とが電荷移動を通じ協同的に起こるということがほぼ明かにされてきた。本研究は実際に圧力下でX線構造解析およびX線散漫散乱実験をおこなった。その段階で,S/Nを上昇させるための光学系の改良,吸収の数値補正プログラムの開発,圧力セルに対応した測定モードの開発をおこなった。その結果,高圧下でもR因子4〜5%程度の高信頼度の構造解析がおこなえるようになった。
    得られた結果は以下の通りである。1)(DMeDCNQI)_2Cuの高圧下絶縁相でも,置換体で見られたようにCu回りの配位角が増加し,電荷移動量の増加に寄与している。2)高圧下でも,3倍の超格子が発生しており,CDW転移とMott転移が同時に生じている。なお低温高圧で特徴的な金属絶縁体転移を起こす(DIDCNQI)_2Cuでは,圧力下での配位角の増加は(DMeDCNQI)_2Cuより少ないことが明かになった。これにより,(DIDCNQI)_2Cuでは,電荷移動が金属絶縁体転移に本質的に関与していない可能性がある。この他,(DMeDCNQI)_2Cu,(DIDCNQI)_2Cu,(DIDCNQI)_2Agの圧縮率を測定した。この結果,DCNQIの積み重なっているc軸方向の圧縮率は物質に依存しないが,鎖間a軸方向では(DIDCNQI)_2Cuが他の物質の約2/3である事がわかった。

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  • 分子性導体の構造対称性と電子物性

    Grant number:07232223  1995

    日本学術振興会  科学研究費助成事業  重点領域研究

    野上 由夫

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    Grant amount:\700000 ( Direct expense: \700000 )

    分子性導体や有機電荷移動錯体の物性研究では,金属や無機物に比べ結晶構造の研究の比重は大きい。これは,結晶中の有機分子間の相互作用が「異方的」であり,しかも「分子間隔に大きく依存する」ため,詳しい結晶構造の情報が,物性の理解を助けるためである。これを言い替えると構造と物性との相関関係が強いということになる。相互作用が異方的であること,構造と物性の構造との相関が強いことが重なって,有機錯体では,特異な構造変化が極低温下で起こり,その結果物性も大きく変化する。このとき物性変化と構造対称性(空間群)とは密接な関連があることが多い。このため,分子性導体の構造対称性と電子物性との相関について調べることは重要である。本研究では,構造対称性をX線の削減則を使って詳しく調べ,物性変化との相関について研究をおこなった。まず,削減則を低温で調べるためにヘリウム冷凍機と回転機構および上下機構を組み合わせ,極低温用X線ワイセンベルグカメラを作成した。
    有機錯体(BEDR-TTF)_3CuBr_4は60Kで磁気的性質が大きく変化するが,その原因は不明であった。我々は,室温では観測されないX線微弱信号を,長時間X線露光により新たに60K以下で検出することに成功した。この微弱信号は(BEDT-TTF)_3 CuBr_4の空間群(構造対称性)が60K以下でP2_1/cからPcに変化していることを示している。引き続いておこなった詳しい構造解析の結果,60K以下では3個のBEDT-TTF分子が,ごくわずか近接することにより分子三量体を形成している解を発見した。電荷移動量から考えて,BEDT-TTF3分子あたりホールが2ヶ存在することになるが、この分子三量体化により,2個の1/2スピンが磁気一重項状態になると考えると,上に述べた磁性の異常が理解できる。

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  • Structural study of Organic Complexs where Neutral ionic transition occurs

    Grant number:06640445  1994 - 1995

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for General Scientific Research (C)

    NOGAMI Yoshio

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    Grant amount:\2100000 ( Direct expense: \2100000 )

    Using X-ray, we directly observe structural changes associated with temperature and pressure induced neutral-ionic transition (NIT) in tetrathiafulvalene-p-chloranil (TTF-CA) and 2,6-dimethyltetrathiafulvalene-p-chloranil (DMTTF-CA). For TTF-CA,below Tc of 84K,changes in intramolecular bond lengths verified a increment in molecular ionicity from 0.4 (neutral phase) to 0.7 (ionic phase). In ionic (I) phase below 84K,TTF and CA molecules, which were originally located at the inversion center in neutral (N) phase, shift in contrary directions owing to the spin-Peierls instability and form a magnetic singlet dimer with a 3.3% distortion. Three dimensional order of the molecular dimerization changes space group for TTF-CA from P2_1/n (neutral) to Pn (ionic). Owing to absence of the inversion symmetry, Ionic TTF-CA become a organic ferroelectrics.
    In DMTTF-CA,changes in unit cell parameters, anisotropic temperature factors and bond lengths were observed below the neutral-ionic transition temperature of 65K.These changes indicate, in low temperature phase 1) coexistence of neutral and ionic portions in crystal 2) a increase in molecular ionicity and 3) a molecular dimerization in ionic portion whose amplitude is similar to TTF-CA.The predicted staging superlattice in the N-I coexisting phase was not observed. Taking account of interchain electrostatic interaction together with the lattice parameter variations at low temperature and under pressure, this coexistence can be understood.

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  • Molecular Level Lattice Dynamics of Molecular Assembly Film

    Grant number:01420008  1989 - 1991

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for General Scientific Research (A)

    ISHIGURO Takehiko, SUGI Michio, MOGAMI Yoshio, FUKUDOME Hideo

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    Grant amount:\31300000 ( Direct expense: \31300000 )

    In this research project we intended to explore the method of phononspectroscopy to clarify the lattice dynamics of molecules forming molecular assembly films such as Langmuir-Blodgett films. Those molecules consist of long alkyl chains and heavy metal ions, which are bounded weakly. The phonons emitted from a superconducting tunnel junction cover wavenumbers corresponding to fundamental resonance of the molecules. We have developed the experimental methods of the phononspectroscopy and the fabrication technique of high quality of the LB multilayer films. For the heterostructured LB film, we discovered anomalous diffraction vector shifts for multilayer with dimerized configuration with respect to metal ions such as Cd. We carried out elaborate studies to confirm the observation and to clarify the detailed structure, experimentally and analytically. As a result we conclude that this is ascribed to the size effect appearing in conventional alloys after Guinier. For the LB films with predetermined one-dimensional stacking, the effect appeared dramatically. To apply the superconducting tunnel junction spectroscopy, it is essential to construct thin film devices on the LB film by evaporation from the phonon stop band specific to the LB multilayer for the first time. This has two important implications. First we proved that the device needing the control of nm thickness can be constructed on the LB multilayer. This should be strong encouragement for technological development such as molecular assembly devices. Secondly the phononspectroscopy can be useful means to investigate the lattice dynamics by deducing the phonon stop band, which cannot be covered by any other means. The lattice dynamics of molecules is very interesting due to their specific structure, but it is too complicated to approach by model calculation. They definitely need experimental approach like present case to lead investigation.

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  • 有機導体の高圧下の構造変態と超伝導

    Grant number:63790175  1988

    日本学術振興会  科学研究費助成事業  奨励研究(A)

    野上 由夫

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    Grant amount:\900000 ( Direct expense: \900000 )

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