Nagoya University   Graduate School of Engineering Department of Materials,Physics and Energy Engineering Physics of Structural Materials Course   Associate Professor

2015.12 - 2017.3

Nagoya University   Graduate School of Engineering Department of Materials,Physics and Energy Engineering Physics of Structural Materials Course   Assistant Professor

2011.7 - 2015.11

バージニア大学物理学科研究員

2009.4 - 2011.6

物性研究所研究員

2008.4 - 2009.3

Zigzag chain order of LiVSe2 developing away from the vanadium trimer phase transition boundary Reviewed

K. Kojima, N. Katayama, K. Sugimoto, N. Hirao, Y. Ohta, H. Sawa

Physical Review B   108 ( 9 )   094107   2023.9

Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta) Reviewed

Katayama N, Matsuda Y, Kojima K, Hara T, Kitou S, Mitsuishi N, Takahashi H, Ishiwata S, Ishizaka K, Sawa H

PHYSICAL REVIEW B   107 ( 24 )   2023.6

Short-range order and increased transition temperature in LiVO2 with weakened trimer frustration Reviewed

K Kojima, N Katayama, Y Matsuda, M Shiomi, R Ishii, H Sawa

Physical Review B   107 ( 2 )   L020101   2023.1

Charge-ordered state satisfying the Anderson condition in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">LiRh</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math> arising from local dimer order Reviewed

M. Shiomi, K. Kojima, N. Katayama, S. Maeda, J. A. Schneeloch, S. Yamamoto, K. Sugimoto, Y. Ohta, D. Louca, Y. Okamoto, H. Sawa

Physical Review B   105 ( 4 )   2022.1

Slow dynamics of disordered zigzag chain molecules in layered LiVS2 under electron irradiation Reviewed

Naoyuki Katayama, Keita Kojima, Tomoki Yamaguchi, Sosuke Hattori, Shinya Tamura, Koji Ohara, Shintaro Kobayashi, Koudai Sugimoto, Yukinori Ohta, Koh Saitoh, Hiroshi Sawa

npj Quantum Materials   6 ( 1 )   2021.2

Robust atomic orbital in the cluster magnet LiMoO2 Reviewed

Katayama N, Takeda H, Yamaguchi T, Yamada Y, Iida K, Takigawa M, Ohta Y, Sawa H

Physical Review B: Rapid Communications   102 ( 8 )   2020.8

Vanadium trimers randomly aligned along the c-axis direction in layered LiVO2 Reviewed

Kojima K, Katayama N, Tamura S, Shiomi M, Sawa H

PHYSICAL REVIEW B   100 ( 23 )   2019.12

Microstructural effects on negative thermal expansion extending over a wide temperature range in beta-Cu1.8Zn0.2V2O7 Reviewed

Katayama N, Otsuka A. K, Mitamura M, Yokoyama Y, Okamoto Y, Takenaka K

APPLIED PHYSICS LETTERS   113 ( 18 )   2018.10

Large entropy change derived from orbitally assisted three-centered two-electron sigma bond formation in metallic Li0.33VS2 Reviewed

Katayama N, Tamura S, Yamaguchi T, Sugimoto K, Iida K, Matsukawa T, Hoshikawa A, Ishigaki T, Kobayashi S, Ohta Y, Sawa H

Physical Review B: Rapid Communications   98 ( 8 )   2018.8

Various Arsenic Network Structures in 112-Type Ca1-xLaxFe1-yPdyAs2 Revealed by Synchrotron X-ray Diffraction Experiments Reviewed

Shinya Tamura, Naoyuki Katayama, Yuto Yamada, Yuki Sugiyama, Kento Sugawara, Hiroshi Sawa

INORGANIC CHEMISTRY   56 ( 5 )   3030 - 3035   2017.3

Iron arsenides with three-dimensional FeAs layer networks: Can(n+1)/2(Fe1-xPtx)((2+3n))Ptn(n-1)/2 As(n+1)(n+2)/2 (n=2, 3) Reviewed

Naoyuki Katayama, Seiichiro Onari, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Hiroshi Sawa

SCIENTIFIC REPORTS   6   39280   2016.12

Absence of Jahn-Teller transition in the hexagonal Ba3CuSb2O9 single crystal Reviewed

Naoyuki Katayama, Kenta Kimura, Yibo Han, Joji Nasu, Natalia Drichko, Yoshiki Nakanishi, Mario Halim, Yuki Ishiguro, Ryuta Satake, Eiji Nishibori, Masahito Yoshizawa, Takehito Nakano, Yasuo Nozue, Yusuke Wakabayashi, Sumio Ishihara, Masayuki Hagiwara, Hiroshi Sawa, Satoru Nakatsuji

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA   112 ( 30 )   9305 - 9309   2015.7

Synchrotron X-ray Diffraction Study of Structural Phase Transition in Ca-10(Ir4As8)(Fe2-xIrxAs2)(5) Reviewed

Naoyuki Katayama, Kento Sugawara, Yuki Sugiyama, Takafumi Higuchi, Kazutaka Kudo, Daisuke Mitsuoka, Takashi Mizokawa, Minoru Nohara, Hiroshi Sawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   83 ( 11 )   113707   2014.11

Superconductivity in Ca1-xLaxFeAs2 : A Novel 112-Type Iron Pnictide with Arsenic Zigzag Bonds Reviewed

N. Katayama, K. Kudo, S. Onari, T. Mizukami, K. Sugawara, Y. Sugiyama, M. Nohara, H. Sawa

Journal of the Physical Society of Japan   82   123702   2013.11

Conductivity and incommensurate antiferromagnetism of Fe <inf>1.02</inf>Se <inf>0.10</inf>Te <inf>0.90</inf> under pressure Reviewed

N. Katayama, K. Matsubayashi, Y. Nomura, S. Ji, J. Leao, M. A. Green, T. J. Sato, Y. Uwatoko, M. Fujita, K. Yamada, R. Arita, S. H. Lee

EPL   98 ( 3 )   37002   2012.5

Investigation of the Spin-Glass Regime between the Antiferromagnetic and Superconducting Phases in Fe<inf>1+y</inf>Se<inf>x</inf>Te<inf>1-x</inf> Reviewed

Naoyuki Katayama, Sungdae Ji, Despina Louca, Seunghun Lee, Masaki Fujita, Taku J. Sato, Jinsheng Wen, Zhijun Xu, Genda Gu, Guangyong Xu, Ziwei Lin, Masanori Enoki, Sung Chang, Kazuyoshi Yamada, John M. Tranquada

Journal of the Physical Society of Japan   79 ( 11 )   113702   2010.11

Variation in Electronic State of Ba(Fe1-xCox)(2)AS(2) Alloy as Investigated in Terms of Transport Properties Reviewed

Naoyuki Katayama, Yoko Kiuchi, Yoshitaka Matsushita, Kenya Ohgushi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 12 )   123702   2009.12

Anomalous Metallic State in the Vicinity of Metal to Valence-Bond Solid Insulator Transition in LiVS2 Reviewed

N. Katayama, M. Uchida, D. Hashizume, S. Niitaka, J. Matsuno, D. Matsumura, Y. Nishihata, J. Mizuki, N. Takeshita, A. Gauzzi, M. Nohara, H. Takagi

PHYSICAL REVIEW LETTERS   103 ( 14 )   146405   2009.10

Watery superconductivity in misfit-layer sulfides Reviewed

N. Katayama, M. Nohara, H. Takagi

Physica C   445   35 - 38   2006

Enhanced superconducting transition temperature in the water-intercalated sulfides Reviewed

N Katayama, M Nohara, F Sakai, H Takagi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   74 ( 3 )   851 - 854   2005.3

Negative thermal expansion induced by coordination number change in high-entropy oxides Reviewed

N. Iida, R. Kasugai, K. Ikeda, K. Saitoh, D. Ito, N. Katayama, Y. Okamoto, D. Hirai, K. Takenaka

AIP Advances   15 ( 11 )   2025.11

Negative thermal expansion in Co3BO5 induced by ceramic microstructural effects Reviewed

K. Yagi, Y. Mineno, N. Katayama, D. Hirai, K. Takenaka

AIP Advances   15 ( 10 )   2025.10

Composition evolution of crystal structure and negative thermal expansion in pyro-vanadate-phosphate Cu_1.8Zn_0.2V_2-xP_xO₇ Reviewed

Kawakita, M., Ikawa, F., Yagi, K., Kano, M., Kubo, T., Yokoyama, Y., Katayama, N., Okamoto, Y., Hirai, D., Takenaka, K.

APPLIED PHYSICS LETTERS   126 ( 9 )   2025.3

Diffuse Scattering and Low-Temperature Crystal Structure of τ-Type Molecular Conductor Reviewed

Hara, T., Kitou, S., Katayama, N., Yoshino, H., Sawa, H.

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   94 ( 2 )   2025.2

Topological electronic structure and transport properties of the distorted rutile-type WO2 Reviewed

Yuto Muramatsu, Daigorou Hirai, Mitsuaki Kawamura, Susumu Minami, Yoshitaka Ikeda, Takahiro Shimada, Keita Kojima, Naoyuki Katayama, Koshi Takenaka

APL Materials   13 ( 1 )   2025.1

Electric field-induced volume change in pyro-vanadate-phosphates: Toward an alternative actuator architecture

K. Takada, J. Shibutani, K. Yagi, F. Ikawa, Y. Yokoyama, D. Hirai, Y. Okamoto, N. Katayama, Y. Umena, L. M. G. H. Chavas, T. Hatano, A. Fujita, K. Takenaka

Applied Physics Letters   125 ( 4 )   2024.7

Unveiling the Nature of Chemical Bonds in Real Space Reviewed

Hara, T., Hasebe, M., Tsuneda, T., Naito, T., Nakamura, Y., Katayama, N., Taketsugu, T., Sawa, H.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   146 ( 34 )   23825 - 23830   2024.7

Giant impurity effect on anomalous Hall effect of Mn₃Sn Reviewed

Yano, R., Kihara, S., Yoneda, M., Vu, HTN, Suto, H., Katayama, N., Yamaguchi, T., Kuwahara, M., Suzuki, MT, Saitoh, K., Kashiwaya, S.

JOURNAL OF CHEMICAL PHYSICS   160 ( 18 )   2024.5

Odd-parity multipole order in the spin-orbit coupled metallic pyrochlore Pb2Re2O7-δ Reviewed

Nakayama, Y., Hirai, D., Sagayama, H., Kojima, K., Katayama, N., Lehmann, J., Wang, ZQ, Ogawa, N., Takenaka, K.

PHYSICAL REVIEW MATERIALS   8 ( 5 )   2024.5

Electroactive actuator composites using volume change induced by insulator-to-metal transition in VO2

K. Takenaka, Y. Mizuno, J. Shibutani, K. Kishida, K. Takada, K. Yagi, Y. Yokoyama, N. Katayama, Y. Okamoto, D. Hirai, T. Hatano, A. Fujita

Applied Physics Letters   123 ( 23 )   2023.12

Fermi surface and light quasi particles in hourglass nodal chain metal ß-ReO₂

Hirai, D, Anbai, T, Konoike, T, Uji, S, Hattori, Y, Terashima, T, Ishikawa, H, Kindo, K, Katayama, N, Oguchi, T, Hiroi, Z

JOURNAL OF PHYSICS-CONDENSED MATTER   35 ( 40 )   2023.10

Structural and Electronic Properties of a Triangular Lattice Magnet NaPrTe₂ Compared with NaNdTe₂ and NaTbTe₂ Reviewed

Eto, K, Okamoto, Y, Katayama, N, Ishikawa, H, Kindo, K, Takenaka, K

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   92 ( 9 )   2023.9

Superconductivity in High-Entropy Antimonide M_1-x Pt _x Sb (M = Equimolar Ru, Rh, Pd, and Ir) Reviewed

Hirai, D, Uematsu, N, Saitoh, K, Katayama, N, Takenaka, K

INORGANIC CHEMISTRY   62 ( 35 )   14207 - 14215   2023.8

Temporal Evolution and Fluence Dependence of Band Structure in Photoexcited Ta2Ni0.9Co0.1Se5 Probed by Time- and Angle-Resolved Photoemission Spectroscopy Reviewed

Takahashi, Y, Suzuki, T, Hattori, M, Okawa, M, Takagi, H, Katayama, N, Sawa, H, Nohara, M, Zhong, YG, Liu, KC, Kanai, T, Itatani, J, Shin, S, Okazaki, K, Mizokawa, T

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   92 ( 6 )   2023.6

Quasi One-Dimensional Band Structure of Photoinduced Semimetal Phase of Ta2Ni1−xCoxSe5 (x = 0.0 and 0.1) Reviewed

Takumi Mitsuoka, Yu Takahashi, Takeshi Suzuki, Mario Okawa, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Minoru Nohara, Mari Watanabe, Jiadi Xu, Qianhui Ren, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Kozo Okazaki, Shik Shin, Takashi Mizokawa

Journal of the Physical Society of Japan   92 ( 2 )   023703   2023.2

Pressure suppression of the excitonic insulator state in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ta</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>NiSe</mml:mi><mml:mn>5</mml:mn></mml:msub></mml:mrow></mml:math> observed by optical conductivity

H. Okamura, T. Mizokawa, K. Miki, Y. Matsui, N. Noguchi, N. Katayama, H. Sawa, M. Nohara, Y. Lu, H. Takagi, Y. Ikemoto, T. Moriwaki

Physical Review B   107 ( 4 )   2023.1

Systematic Study on the Role of the Third Zn-Site Element in Zn2−xMgxP2O7 Showing Giant Negative Thermal Expansion Reviewed

Ryota Kasugai, Yoshifumi Kadowaki, Yasunori Yokoyama, Naoyuki Katayama, Yoshihiko Okamoto, Koshi Takenaka

MATERIALS TRANSACTIONS   64 ( 3 )   638 - 642   2023

Linear Trimer Molecule Formation by Three-Center-Four-Electron Bonding in a Crystalline Solid RuP Reviewed

Hirai Daigorou, Kojima Keita, Katayama Naoyuki, Kawamura Mitsuaki, Nishio-Hamane Daisuke, Hiroi Zenji

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   144 ( 39 )   17857 - 17864   2022.10

Electrical-field-induced insulator-to-metal transition in samarium monosulfides

K. Kishida, J. Shibutani, T. Hatano, Y. Yokoyama, N. Katayama, Y. Okamoto, Y. Nakamura, H. Kishida, H. S. Suzuki, K. Takehana, Y. Imanaka, K. Takenaka

APPLIED PHYSICS LETTERS   121 ( 12 )   2022.9

負熱膨張性微粒子の開発 Invited Reviewed

竹中康司, 岡本佳比古, 横山泰範, 片山尚幸, 門脇義史, 江藤昂樹, 渋谷隼矢, 加納雅人, 春日井涼太, 山田展也

粉体および粉末冶金   69 ( 8 )   359 - 355   2022.8

Structural phase transition and negative thermal expansion in Cu _1.8 Zn_0.2V_2–x P _x O₇ solid solutions

Koshi Takenaka, Masato Kano, Ryota Kasugai, Kohei Takada, Koki Eto, Yoshifumi Kadowaki, Yasunori Yokoyama, Naoyuki Katayama, Yoshihiko Okamoto

Applied Physics Express   15 ( 2 )   025504 - 025504   2022.2

Do electron distributions with orbital degree of freedom exhibit anisotropy?

Taishun Manjo, Shunsuke Kitou, Naoyuki Katayama, Shin Nakamura, Takuro Katsufuji, Yoichi Nii, Taka-hisa Arima, Joji Nasu, Takumi Hasegawa, Kunihisa Sugimoto, Daisuke Ishikawa, Alfred Q. R. Baron, Hiroshi Sawa

MATERIALS ADVANCES   3 ( 7 )   3192 - 3198   2022.2

Structural phase transition and giant negative thermal expansion in pyrophosphate Zn2-xMgxP2O7

Y. Kadowaki, R. Kasugai, Y. Yokoyama, N. Katayama, Y. Okamoto, K. Takenaka

APPLIED PHYSICS LETTERS   119 ( 20 )   2021.11

Giant negative thermal expansion of polycrystalline Ti2O3 induced by microstructural effects

Y. Kadowaki, R. Kasugai, Y. Yokoyama, N. Katayama, Y. Okamoto, K. Takenaka

APPLIED PHYSICS LETTERS   119 ( 17 )   2021.10

Hybridization-Gap Formation and Superconductivity in the Pressure-Induced Semimetallic Phase of the Excitonic Insulator Ta2NiSe5

Kazuyuki Matsubayashi, Hidekazu Okamura, Takashi Mizokawa, Naoyuki Katayama, Akitoshi Nakano, Hiroshi Sawa, Tatsuya Kaneko, Tatsuya Toriyama, Takehisa Konishi, Yukinori Ohta, Hiroto Arima, Rina Yamanaka, Akihiko Hisada, Taku Okada, Yuka Ikemoto, Taro Moriwaki, Koji Munakata, Akiko Nakao, Minoru Nohara, Yangfan Lu, Hidenori Takagi, Yoshiya Uwatoko

Journal of the Physical Society of Japan   90 ( 7 )   074706 - 074706   2021.7

Detecting electron-phonon coupling during photoinduced phase transition

Takeshi Suzuki, Yasushi Shinohara, Yangfan Lu, Mari Watanabe, Jiadi Xu, Kenichi L. Ishikawa, Hide Takagi, Minoru Nohara, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Takashi Mizokawa, Shik Shin, Kozo Okazaki

PHYSICAL REVIEW B   103 ( 12 )   2021.3

Detecting electron-phonon coupling during photoinduced phase transition Reviewed

Takeshi Suzuki, Yasushi Shinohara, Yangfan Lu, Mari Watanabe, Jiadi Xu, Kenichi L. Ishikawa, Hide Takagi, Minoru Nohara, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Takashi Mizokawa, Shik Shin, Kozo Okazaki

Physical Review B   103 ( 12 )   L121105   2021.3

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)₂I₃

Kitou, S, Tsumuraya, T, Sawahata, H, Ishii, F, Hiraki, K, Nakamura, T, Katayama, N, Sawa, H

PHYSICAL REVIEW B   103 ( 3 )   2021.1

Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3 Reviewed

Shunsuke Kitou, Takao Tsumuraya, Hikaru Sawahata, Fumiyuki Ishii, Ko-ichi Hiraki, Toshikazu Nakamura, Naoyuki Katayama, Hiroshi Sawa

Physical Review B   103   35135   2021.1

Successive Structural Transitions of CrSe₂ with Anomalous Valent Chromium

Shintaro KOBAYASHI, Naoyuki KATAYAMA, Hiroshi SAWA

Nihon Kessho Gakkaishi   62 ( 4 )   221 - 222   2020.12

Photoinduced Phase Transition from Excitonic Insulator to Semimetal-like State in Ta2Ni1−xCoxSe5 (x = 0.10) Reviewed

Takumi Mitsuoka, Takeshi Suzuki, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Minoru Nohara, Mari Watanabe, Jiadi Xu, Qianhui Ren, Masami Fujisawa, Teruto Kanai, Jiro Itatani, Shik Shin, Kozo Okazaki, Takashi Mizokawa

Journal of the Physical Society of Japan   89 ( 12 )   124703 - 124703   2020.12

Annealing effects on negative thermal expansion properties of ball-milled beta-Cu1.8Zn0.2V2O7 fine particles Reviewed

Warne-Lang V, Sato M, Ozeki M, Kadowaki Y, Yokoyama Y, Katayama N, Okamoto Y, Takenaka K

CERAMICS INTERNATIONAL   46 ( 17 )   27655 - 27659   2020.12

Collapse of the simple localized 3d(1) orbital picture in Mott insulator Reviewed

Shunsuke Kitou, Taishun Manjo, Naoyuki Katayama, Tatsuya Shishidou, Taka-hisa Arima, Yasujiro Taguchi, Yoshinori Tokura, Toshikazu Nakamura, Toshihiko Yokoyama, Kunihisa Sugimoto, Hiroshi Sawa

PHYSICAL REVIEW RESEARCH   2 ( 3 )   2020.9

High-mobility carriers induced by chemical doping in the candidate nodal-line semimetal CaAgP Reviewed

Okamoto Yoshihiko, Saigusa Kazushige, Wada Taichi, Yamakawa Youichi, Yamakage Ai, Sasagawa Takao, Katayama Naoyuki, Takatsu Hiroshi, Kageyama Hiroshi, Takenaka Koshi

PHYSICAL REVIEW B   102 ( 11 )   2020.9

Mapping the unoccupied state dispersions in Ta2NiSe5 with resonant inelastic x-ray scattering Reviewed

Monney C, Herzog M, Pulkkinen A, Huang Y, Pelliciari J, Olalde-Velasco P, Katayama N, Nohara M, Takagi H, Schmitt T, Mizokawa T

PHYSICAL REVIEW B   102 ( 8 )   2020.8

Sol-gel synthesis of doped Cu2V2O7 fine particles showing giant negative thermal expansion Reviewed

Sato M, Warne-Lang V, Kadowaki Y, Katayama N, Okamoto Y, Takenaka K

AIP ADVANCES   10 ( 7 )   2020.7

Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles Reviewed

Ozeki Masaki, Warne-Lang Victoria, Tsukasaki Hirofumi, Sakai Yuki, Katayama Naoyuki, Okamoto Yoshihiko, Azuma Masaki, Mori Shigeo, Takenaka Koshi

APPLIED PHYSICS EXPRESS   13 ( 7 )   .   2020.7

Regular-triangle trimer and charge order preserving the Anderson condition in the pyrochlore structure of CsW2O6 Reviewed

Okamoto Yoshihiko, Amano Haruki, Katayama Naoyuki, Sawa Hiroshi, Niki Kenta, Mitoka Rikuto, Harima Hisatomo, Hasegawa Takumi, Ogita Norio, Tanaka Yu, Takigawa Masashi, Yokoyama Yasunori, Takehana Kanji, Imanaka Yasutaka, Nakamura Yuto, Kishida Hideo, Takenaka Koshi

NATURE COMMUNICATIONS   11 ( 1 )   2020.6

Spray-dry synthesis of beta-Cu1.8Zn0.2V2O7 ceramic fine particles showing giant negative thermal expansion Reviewed

Koshi Takenaka, Miku Sato, Masaya Mitamura, Yasunori Yokoyama, Naoyuki Katayama, Yoshihiko Okamoto

JOURNAL OF THE AMERICAN CERAMIC SOCIETY   103 ( 4 )   2757 - 2763   2020.4

Intercalated Cu+ ion dynamics in the two-dimensional layered compound Cu0.33TiSe2 Reviewed

Kitou Shunsuke, Hasegawa Takumi, Nakano Akitoshi, Katayama Naoyuki, Tsutsui Satoshi, Sawa Hiroshi

PHYSICAL REVIEW B   101 ( 9 )   2020.3

Negative Thermal Expansion of beta-Cu1.8Zn0.2V2O7 Ceramic Fine Particles Synthesized by a Spray-Drying Method Reviewed

Koshi Takenaka, Miku Sato, Tomohiro Nishikawa, Takuya Omura, Nobuya Yamada, Yasunori Yokoyama, Naoyuki Katayama, Yoshihiko Okamoto

JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS   84 ( 5 )   161 - 166   2020

Resistive anisotropy of candidate excitonic insulator Ta<inf>2</inf>NiSe<inf>5</inf>under pressure

H. Arima, Y. Naito, K. Kudo, N. Katayama, H. Sawa, M. Nohara, Y. F. Lu, K. Kitagawa, H. Takagi, Y. Uwatoko, K. Matsubayashi

Journal of Physics: Conference Series   1609 ( 1 )   2020

Valence-bond insulator in proximity to excitonic instability Reviewed

Y. Chiba, T. Mitsuoka, N. L. Saini, K. Horiba, M. Kobayashi, K. Ono, H. Kumigashira, N. Katayama, H. Sawa, M. Nohara, Y. F. Lu, H. Takagi, T. Mizokawa

Physical Review B   10 ( 24 )   2019.12

Two magnetization plateaus in the kagome fluoride Cs2LiTi3F12 Reviewed

Ryu Shirakami, Hiroaki Ueda, Harald O. Jeschke, Hiroki Nakano, Shintaro Kobayashi, Akira Matsuo, Tôru Sakai, Naoyuki Katayama, Hiroshi Sawa, Koichi Kindo, Chishiro Michioka, Kazuyoshi Yoshimura

Physical Review B   100 ( 17 )   174401   2019.11

Valence fluctuations and giant isotropic negative thermal expansion in Sm1-xRxS (R= Y, La, Ce, Pr, Nd)

Asai D, Mizuno Y, Hasegawa H, Yokoyama Y, Okamoto Y, Katayama N, Suzuki H. S, Imanaka Y, Takenaka K

APPLIED PHYSICS LETTERS   114 ( 14 )   2019.4

Linear Trimer Formation with Antiferromagnetic Ordering in 1T-CrSe2 Originating from Peierls-like Instabilities and Interlayer Se–Se Interactions Reviewed

S. Kobayashi, N. Katayama, T. Manjo, H. Ueda, C. Michioka, J. Sugiyama, Y. Sassa, O. K. Forslund, M. Månsson, K. Yoshimura, H. Sawa

Inorg. Chem.   58 ( 21 )   14304   2019.4

Effect of Cu intercalation and pressure on excitonic interaction in 1T-TiSe2

Kitou S, Nakano A, Kobayashi S, Sugawara K, Katayama N, Maejima N, Machida A, Watanuki T, Ichimura K, Tanda S, Nakamura T, Sawa H

PHYSICAL REVIEW B   99 ( 10 )   2019.3

Quantum magnetisms in uniform triangular lattices Li(2)AMo(3)O(8) (A = In, Sc)

Iida Kazuki, Yoshida Hiroyuki, Okabe Hirotaka, Katayama Naoyuki, Ishii Yuto, Koda Akihiro, Inamura Yasuhiro, Murai Naoki, Ishikado Motoyuki, Kadono Ryosuke, Kajimoto Ryoichi

SCIENTIFIC REPORTS   9 ( 1 )   2019.2

Honeycomb lattice type charge density wave associated with interlayer Cu ions ordering in 1T-CuxTiSe2

Kitou Shunsuke, Kobayashi Shintaro, Kaneko Tatsuya, Katayama Naoyuki, Yunoki Seiji, Nakamura Toshikazu, Sawa Hiroshi

PHYSICAL REVIEW B   99 ( 8 )   2019.2

Giant isotropic negative thermal expansion in Y-doped samarium monosulfides by intra-atomic charge transfer

Takenaka Koshi, Asai Daigo, Kaizu Ryoichi, Mizuno Yosuke, Yokoyama Yasunori, Okamoto Yoshihiko, Katayama Naoyuki, Suzuki Hiroyuki S, Imanaka Yasutaka

SCIENTIFIC REPORTS   9   2019.1

Exciton transport in the electron–hole system Ta<inf>2</inf>NiSe<inf>5</inf> Reviewed

Akitoshi Nakano, Takayuki Nagai, Naoyuki Katayama, Hiroshi Sawa, Hiroki Taniguchi, Ichiro Terasaki

Journal of the Physical Society of Japan   88 ( 11 )   2019

Photo-induced semimetallic states realised in electron-hole coupled insulators International journal

Okazaki Kozo, Ogawa Yu, Suzuki Takeshi, Yamamoto Takashi, Someya Takashi, Michimae Shoya, Watanabe Mari, Lu Yangfan, Nohara Minoru, Takagi Hidenori, Katayama Naoyuki, Sawa Hiroshi, Fujisawa Masami, Kanai Teruto, Ishii Nobuhisa, Itatani Jiro, Mizokawa Takashi, Shin Shik

NATURE COMMUNICATIONS   9 ( 1 )   accepted - 4322   2018.10

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4

Takenaka K, Inoue N, Mizuno Y, Okamoto Y, Katayama N, Sakai Y, Nishikubo T, Azuma M

APPLIED PHYSICS LETTERS   113 ( 7 )   2018.8

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5 Reviewed

Akitoshi Nakano, Takumi Hasegawa, Shinya Tamura, Naoyuki Katayama, Satoshi Tsutsui, Hiroshi Sawa

PHYSICAL REVIEW B   98 ( 4 )   045139   2018.7

In-plane spin canting and 1/3-magnetization-plateaulike behavior in S=3/2 Cr3+ kagome lattice antiferromagnets Cs2KCr3 F12 and Cs2NaCr3 F12

Masato Goto, Hiroaki Ueda, Chishiro Michioka, Akira Matsuo, Koichi Kindo, Kento Sugawara, Shintaro Kobayashi, Naoyuki Katayama, Hiroshi Sawa, Kazuyoshi Yoshimura

Physical Review B   97 ( 22 )   2018.6

Inhibition of the photoinduced structural phase transition in the excitonic insulator Ta2NiSe5

Selene Mor, Marc Herzog, Johannes Noack, Naoyuki Katayama, Minoru Nohara, Hide Takagi, Annette Trunschke, Takashi Mizokawa, Claude Monney, Julia Stähler

Physical Review B   97 ( 11 )   2018.3

Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5

Akitoshi Nakano, Kento Sugawara, Shinya Tamura, Naoyuki Katayama, Kazuyuki Matsubayashi, Taku Okada, Yoshiya Uwatoko, Kouji Munakata, Akiko Nakao, Hajime Sagayama, Reiji Kumai, Kunihisa Sugimoto, Naoyuki Maejima, Akihiko Machida, Tetsu Watanuki, Hiroshi Sawa

IUCrJ   5   158 - 165   2018.3

Photo-induced semimetallic states realised in electron-hole coupled insulators Reviewed International journal

Kozo Okazaki, Yu Ogawa, Takeshi Suzuki, Takashi Yamamoto, Takashi Someya, Shoya Michimae, Mari Watanabe, Yangfan Lu, Minoru Nohara, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Nobuhisa Ishii, Jiro Itatani, Takashi Mizokawa, Shik Shin

Nature Communications   9 ( 1 )   accepted - 4322   2018

Magnetic and structural properties of A-site ordered chromium spinel sulfides: Alternating antiferromagnetic and ferromagnetic interactions in the breathing pyrochlore lattice

Yoshihiko Okamoto, Masaki Mori, Naoyuki Katayama, Atsushi Miyake, Masashi Tokunaga, Akira Matsuo, Koichi Kindo, Koshi Takenaka

Journal of the Physical Society of Japan   87 ( 3 )   2018

Direct visualization of orbital flipping in volborthite by charge density analysis using detwinned data

Kento Sugawara, Kunihisa Sugimoto, Tatsuya Fujii, Takafumi Higuchi, Naoyuki Katayama, Yoshihiko Okamoto, Hiroshi Sawa

Journal of the Physical Society of Japan   87 ( 2 )   2018

Investigation of Honeycomb Lattice Consisting of Cu-2(pymca)(3) Moieties Using Synchrotron Radiation X-ray Structure Analysis

Kento Sugawara, Kunihisa Sugimoto, Naoyuki Katayama, Masayuki Hagiwara, Zentaro Honda, Hiroshi Sawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   86 ( 12 )   2017.12

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics

Koshi Takenaka, Tsubasa Shinoda, Naruhiro Inoue, Yoshihiko Okamoto, Naoyuki Katayama, Yuki Sakai, Takumi Nishikubo, Masaki Azuma

APPLIED PHYSICS EXPRESS   10 ( 11 )   2017.11

Scaling of Memories and Crossover in Glassy Magnets

A. M. Samarakoon, M. Takahashi, D. Zhang, J. Yang, N. Katayama, R. Sinclair, H. D. Zhou, S. O. Diallo, G. Ehlers, D. A. Tennant, S. Wakimoto, K. Yamada, G-W. Chern, T. J. Sato, S. -H. Lee

SCIENTIFIC REPORTS   7   2017.9

Successive Dimensional Transition in (TMTTF)(2)PF6 Revealed by Synchrotron X-ray Diffraction

Shunsuke Kitou, Tatsuya Fujii, Tadashi Kawamoto, Naoyuki Katayama, Sachiko Maki, Eiji Nishibori, Kunihisa Sugimoto, Masaki Takata, Toshikazu Nakamura, Hiroshi Sawa

PHYSICAL REVIEW LETTERS   119 ( 6 )   2017.8

Ultrafast Electronic Band Gap Control in an Excitonic Insulator

Selene Mor, Marc Herzog, Denis Golez, Philipp Werner, Martin Eckstein, Naoyuki Katayama, Minoru Nohara, Hide Takagi, Takashi Mizokawa, Claude Monney, Julia Staehler

PHYSICAL REVIEW LETTERS   119 ( 8 )   2017.8

Ising-like anisotropy stabilized (1)/(3) and (2)/(3) magnetization plateaus in the V3+ kagome lattice antiferromagnets Cs2KV3F12, Cs2NaV3F12, and Rb2NaV3F12

Masato Goto, Hiroaki Ueda, Chishiro Michioka, Akira Matsuo, Koichi Kindo, Kento Sugawara, Shintaro Kobayashi, Naoyuki Katayama, Hiroshi Sawa, Kazuyoshi Yoshimura

PHYSICAL REVIEW B   95 ( 13 )   2017.4

Colossal negative thermal expansion in reduced layered ruthenate Reviewed

K. Takenaka, Y. Okamoto, T. Shinoda, N. Katayama, Y. Sakai

Nature Communications   8   14102   2017.1

Colossal negative thermal expansion in reduced layered ruthenate

Koshi Takenaka, Yoshihiko Okamoto, Tsubasa Shinoda, Naoyuki Katayama, Yuki Sakai

NATURE COMMUNICATIONS   8   2017.1

24aPS-127 Synchrotron x-ray diffraction study on possible excitonic insulating compounds

Nakano A., Kitou S., Katayama N., Sawa H., Sagayama H., Kumai R., Matsubayashi K., Okada T., Uwatoko Y., Munakata K., Nakao A., Takagi H., Ichimura K., Tanda S., Sawa H.

Meeting Abstracts of the Physical Society of Japan   70   2472 - 2472   2015

22pBD-6 Optical conductivity and electronic structure of Ta_2NiSe_5 under high pressure

Okamura H., Oda T., Yamasaki T., Mizokawa T., Katayama N., Nohara M., Takagi H., Moriwaki T., Ikemoto Y., Kinoshita T.

Meeting Abstracts of the Physical Society of Japan   70   2258 - 2259   2015

22aBA-7 Discovery of a novel 112-type iron arsenide

Katayama Naoyuki, Sugiyama Yuki, Sugawara Kento, Sawa Hiroshi

Meeting Abstracts of the Physical Society of Japan   70   2061 - 2061   2015

21pBE-1 Study of Ta_2NiX_5(X=S, Se) by Photoemission Spectroscopy

Chiba Y., Sawada K., Noda T., Sugimoto T., Ootsuki D., Mizokawa T., Kobayashi M., Horiba K., Ono K., Kumigashira H., Nakano A., Katayama N., Sawa H., Nohara M., Takagi H.

Meeting Abstracts of the Physical Society of Japan   70   2041 - 2041   2015

Excitonic Bose-Einstein condensation above room temperature

K. Seki, Y. Wakisaka, T. Kaneko, T. Toriyama, T. Konishi, T. Sudayama, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, Y. Ohta

Physical Review B   90   155116   2014.11

Observation of quadrupole helix chirality and its domain structure in DyFe3(BO3)(4)

T. Usui, Y. Tanaka, H. Nakajima, M. Taguchi, A. Chainani, M. Oura, S. Shin, N. Katayama, H. Sawa, Y. Wakabayashi, T. Kimura

NATURE MATERIALS   13 ( 6 )   611 - 618   2014.6

Electronic Structure of Quantum Spin-Liquid Coupound Ba3CuSb2O9 Reviewed

Takuya Sugimoto, Takashi Mizokawa, Hiroki Wadati, Kou Takubo, Andrea Damascelli, Tom Z. Regier, George A. Sawatzky, Naoyuki Katayama, Hiroshi Sawa, Kenta Kimura, Satoru Nakatsuji

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2013)   2014

X-ray Photoemission and X-ray Absorption Spectroscopy of Hexagonal Ba3CuSb2O9 Reviewed

Takuya Sugimoto, Takashi Mizokawa, Hiroki Wadati, Kou Takubo, Andrea Damascelli, Tom Z. Regier, George A. Sawatzky, Naoyuki Katayama, Hiroshi Sawa, Kenta Kimura, Satoru Nakatsuji

Proceedings of the 12th Asia Pacific Physics Conference (APPC12)   2014

Superconductivity in Ca-10(Ir4As8)(Fe2As2)(5) with Square-Planar Coordination of Iridium Reviewed

Kazutaka Kudo, Daisuke Mitsuoka, Masaya Takasuga, Yuki Sugiyama, Kento Sugawara, Naoyuki Katayama, Hiroshi Sawa, Hiroaki S. Kubo, Kenta Takamori, Masanori Ichioka, Tatsuo Fujii, Takashi Mizokawa, Minoru Nohara

SCIENTIFIC REPORTS   3   3101   2013.10

Photoemission Spectroscopy of Ta2NiSe5 Reviewed

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM   25 ( 5 )   1231 - 1234   2012.7

Spin-orbital quantum fluctuations on a honeycomb based lattice Reviewed

S.,Nakatsuji, K. Kuga, K. Kimura, R. Satake, N. Katayama, E. Nishibori, H. Sawa, R. Ishii, M. Hagiwara, F. Bridges, T. U. Ito

Science   225   559 - 563   2012.5

Spin-Orbital Short-Range Order on a Honeycomb-Based Lattice Reviewed

S. Nakatsuji, K. Kuga, K. Kimura, R. Satake, N. Katayama, E. Nishibori, H. Sawa, R. Ishii, M. Hagiwara, F. Bridges, T. U. Ito, W. Higemoto, Y. Karaki, M. Halim, A. A. Nugroho, J. A. Rodriguez-Rivera, M. A. Green, C. Broholm

SCIENCE   336 ( 6081 )   559 - 563   2012.5

Inelastic neutron scattering study of the magnetic fluctuations in Sr2RuO4 Reviewed

K. Iida, M. Kofu, N. Katayama, J. Lee, R. Kajimoto, Y. Inamura, M. Nakamura, M. Arai, Y. Yoshida, M. Fujita, K. Yamada, S. -H. Lee

PHYSICAL REVIEW B   84 ( 6 )   060402(R)   2011.8

Pressure-induced changes in the magnetic and valence state of EuFe2As2

K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y. Ueda, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, I. Umehara, Y. Uwatoko

PHYSICAL REVIEW B   84 ( 2 )   024502   2011.7

NMR study of magnetic excitation in LiVX(2) (X = O, S) Reviewed

Yu Kawasaki, Yutaka Kishimoto, Tetsu Tanaka, Takashi Ohno, Seiji Niitaka, Naoyuki Katayama, Hidenori Takagi

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

Absence of nesting in the charge-density-wave system 1T-VS2 as seen by photoelectron spectroscopy

M. Mulazzi, A. Chainani, N. Katayama, R. Eguchi, M. Matsunami, H. Ohashi, Y. Senba, M. Nohara, M. Uchida, H. Takagi, S. Shin

PHYSICAL REVIEW B   82 ( 7 )   075130   2010.8

Coupling of spin and orbital excitations in the iron-based superconductor FeSe<inf>0.5</inf> Te<inf>0.5</inf>

S. H. Lee, Guangyong Xu, W. Ku, J. S. Wen, C. C. Lee, N. Katayama, Z. J. Xu, S. Ji, Z. W. Lin, G. D. Gu, H. B. Yang, P. D. Johnson, Z. H. Pan, T. Valla, M. Fujita, T. J. Sato, S. Chang, K. Yamada, J. M. Tranquada

Physical Review B - Condensed Matter and Materials Physics   81 ( 22 )   220502(R)   2010.6

High-Field Studies on Single Crystals of EuFe2As2

M. Tokunaga, I. Katakura, N. Katayama, K. Ohgushi

JOURNAL OF LOW TEMPERATURE PHYSICS   159 ( 5-6 )   601 - 605   2010.6

Local atomic structure of superconducting FeSe1-xTex

Despina Louca, K. Horigane, A. Llobet, R. Arita, S. Ji, N. Katayama, S. Konbu, K. Nakamura, T. -Y. Koo, P. Tong, K. Yamada

PHYSICAL REVIEW B   81 ( 13 )   134524   2010.4

Orbital-Dependent Modifications of Electronic Structure across the Magnetostructural Transition in BaFe2As2

T. Shimojima, K. Ishizaka, Y. Ishida, N. Katayama, K. Ohgushi, T. Kiss, M. Okawa, T. Togashi, X. -Y. Wang, C. -T. Chen, S. Watanabe, R. Kadota, T. Oguchi, A. Chainani, S. Shin

PHYSICAL REVIEW LETTERS   104 ( 5 )   057002   2010.2

High-Pressure Ac Specific Heat Technique with Cubic Anvil Apparatus

K. Matsubayashi, M. Hedo, I. Umehara, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, Y. Uwatoko

INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY, JOINT AIRAPT-22 AND HPCJ-50   215   012187   2010

Spontaneous Formation of a Superconducting and Antiferromagnetic Hybrid State in SrFe2As2 under High Pressure

K. Kitagawa, N. Katayama, H. Gotou, T. Yagi, K. Ohgushi, T. Matsumoto, Y. Uwatoko, M. Takigawa

PHYSICAL REVIEW LETTERS   103 ( 25 )   257002   2009.12

Intrinsic Properties of AFe(2)As(2) (A = Ba, Sr) Single Crystal under Highly Hydrostatic Pressure Conditions

Kazuyuki Matsubayashi, Naoyuki Katayama, Kenya Ohgushi, Atsushi Yamada, Koji Munakata, Takehiko Matsumoto, Yoshiya Uwatoko

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 7 )   073706   2009.7

Excitonic Insulator State in Ta2NiSe5 Probed by Photoemission Spectroscopy

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

PHYSICAL REVIEW LETTERS   103 ( 2 )   026402   2009.7

Trimer V3+ Spin Singlet State and Pseudo Gap in LiVS2 Studied by V-51 and Li-7 Nuclear Magnetic Resonance

Tetsu Tanaka, Yu Kawasaki, Shigeki Endou, Satoshi Kimura, Yukiichi Ideta, Yutaka Kishimoto, Takashi Ohno, Naoyuki Katayama, Minoru Nohara, Hidenori Takagi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 5 )   054709   2009.5

Local Lattice Distortion and Photo-Induced Phase Transition in Transition-Metal Compounds with Orbital Degeneracy

T. Mizokawa, K. Takubo, T. Sudayama, Y. Wakisaka, N. Takubo, K. Miyano, N. Matsumoto, S. Nagata, T. Katayama, M. Nohara, H. Takagi, M. Ikeda, N. Kojima, M. Arita, H. Namatame, M. Taniguchi

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM   22 ( 1 )   67 - 70   2009.1

Antiferromagnetism of SrFe2As2 studied by Single-Crystal 75As-NMR

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Masashi Takigawa

Journal of the Physical Society of Japan   78   063706   2009

Li-7- and V-51-NMR study of LiVS2

T. Tanaka, Y. Kawasaki, Y. Takagishi, Y. Ideta, Y. Kishimoto, T. Ohno, N. Katayama, M. Nohara, H. Takagi

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   69 ( 12 )   3142 - 3145   2008.12

Commensurate Itinerant Antiferromagnetism in BaFe(2)AS(2): As-75-NMR Studies on a Self-Flux Grown Single Crystal

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Makoto Yoshida, Masashi Takigawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 11 )   114709   2008.11

Observation of phonon dispersion at low temperature phases in FeV₂O₄ using synchrotron X-ray inelastic scattering

萬條太駿, 鬼頭俊介, 片山尚幸, 中村真一, 勝藤拓郎, 新居陽一, 新居陽一, 有馬孝尚, 有馬孝尚, 長谷川巧, 石川大介, 石川大介, BARON A. Q. R., BARON A. Q. R., 澤博

日本物理学会講演概要集(CD-ROM)   76 ( 2 )   2021

Observation of intramolecular degrees of freedom in X[Pd(dmit)₂]₂ by valence electron density analysis

原武史, 鬼頭俊介, 片山尚幸, 藤山茂樹, 加藤礼三, 澤博

日本物理学会講演概要集(CD-ROM)   76 ( 2 )   2021

Observation of anomalous phonon dispersion in FeV₂O₄ using synchrotron X-ray inelastic scattering

萬條太駿, 鬼頭俊介, 片山尚幸, 長谷川巧, 石川大介, 石川大介, BARON Alfred Q. R., BARON Alfred Q. R., 勝藤拓郎, 中村真一, 澤博

日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

Crystal structures of (TMTTF)X system with half-filled band structure

ZHANG L.D., 鬼頭俊介, 片山尚幸, 中村敏和, 澤博

日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

High-Mobility Carriers and Superconductivity Induced by Chemical Doping in Nodal-Line Semimetal CaAgP

岡本佳比古, 三枝一茂, 篠田祐作, 山影相, 山川洋一, 笹川崇男, 片山尚幸, 高津浩, 陰山洋, 竹中康司

日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

Synchrotron X-ray structural studies using several hundred μm class of LiVS₂ single crystals

小島慶太, 片山尚幸, 鬼頭俊介, 竹田晋吾, 田渕雅夫, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

Direct observation of valence electron density distribution in AV2O4(A = Fe,Mn) using core differential Fourier synthesis method

萬條太駿, 鬼頭俊介, 片山尚幸, 新居陽一, 有馬孝尚, 有馬孝尚, 勝藤拓郎, 勝藤拓郎, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

Synchrotron X-ray scattering study of LiVS₂ with submillimeter-sized single crystalline samples

小島慶太, 片山尚幸, 鬼頭俊介, 竹田晋吾, 田渕雅夫, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

Determination of band filling in the non-stoichiometric τ-type molecular conductor by diffuse scattering

原武史, 鬼頭俊介, 片山尚幸, 吉野治一, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

Various crystal structures in novel TMTTF-I salts

細木雄斗, 鬼頭俊介, 片山尚幸, 中村敏和, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

Structure Analysis of τ-type Molecular Conductor Using Synchrotron X-ray Diffraction

原武史, 鬼頭俊介, 片山尚幸, 吉野治一, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

Direct observation of 3d orbital state in RTiO₃ by core differential Fourier synthesis method using synchrotron X-ray

鬼頭俊介, 萬條太駿, 片山尚幸, 獅子堂達也, 有馬孝尚, 有馬孝尚, 田口康二郎, 十倉好紀, 十倉好紀, 杉本邦久, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

Direct observation of valence electron density distribution in RTiO₃ using core differential Fourier synthesis method

鬼頭俊介, 萬條太駿, 片山尚幸, 獅子堂達也, 有馬孝尚, 有馬孝尚, 田口康二郎, 十倉好紀, 十倉好紀, 横山利彦, 中村敏和, 杉本邦久, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

Observation of 3d orbital state in spinel oxide FeV₂,O₄ with Fe and V having orbital degree of freedom

萬條太駿, 鬼頭俊介, 片山尚幸, 野村悠祐, 有田亮太郎, 有田亮太郎, 新居陽一, 新居陽一, 有馬孝尚, 有馬孝尚, 澤博

日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

Cu_0.33TiSe₂におけるCuイオンの秩序化に伴うハニカム格子型電荷密度波の形成

鬼頭俊介, 鬼頭俊介, 小林慎太郎, 金子竜也, 片山尚幸, 柚木清司, 中村敏和, 澤博

日本物理学会講演概要集(CD-ROM)   74 ( 1 )   2019

高圧下におけるTa₂NiSe₅の輸送特性

有馬寛人, 内藤康氏, 工藤一輝, 片山尚幸, 澤博, 野原実, LU Y. F., 北川健太郎, 高木英典, 高木英典, 上床美也, 松林和幸

日本物理学会講演概要集(CD-ROM)   74 ( 1 )   2019

非弾性X線散乱実験を用いたCu_0.33TiSe₂におけるCuイオンダイナミクスの研究

鬼頭俊介, 鬼頭俊介, 中埜彰俊, 長谷川巧, 片山尚幸, 筒井智嗣, 中村敏和, 横山利彦, 澤博

日本物理学会講演概要集(CD-ROM)   74 ( 2 )   2019

コア差フーリエ合成解析によるFeV₂O₄の軌道秩序の観測 II

萬條太駿, 鬼頭俊介, 片山尚幸, 新居陽一, 有馬孝尚, 澤博

日本物理学会講演概要集(CD-ROM)   74 ( 1 )   2019

Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4

Takenaka K, Inoue N, Mizuno Y, Okamoto Y, Katayama N, Sakai Y, Nishikubo T, Azuma M

APPLIED PHYSICS LETTERS   113 ( 7 )   2018.8

Antiferroelectric distortion with anomalous phonon softening in the excitonic insulator Ta2NiSe5 Reviewed

Akitoshi Nakano, Takumi Hasegawa, Shinya Tamura, Naoyuki Katayama, Satoshi Tsutsui, Hiroshi Sawa

PHYSICAL REVIEW B   98 ( 4 )   045139   2018.7

In-plane spin canting and 1/3-magnetization-plateaulike behavior in S=3/2 Cr3+ kagome lattice antiferromagnets Cs2KCr3 F12 and Cs2NaCr3 F12

Masato Goto, Hiroaki Ueda, Chishiro Michioka, Akira Matsuo, Koichi Kindo, Kento Sugawara, Shintaro Kobayashi, Naoyuki Katayama, Hiroshi Sawa, Kazuyoshi Yoshimura

Physical Review B   97 ( 22 )   2018.6

Inhibition of the photoinduced structural phase transition in the excitonic insulator Ta2NiSe5

Selene Mor, Marc Herzog, Johannes Noack, Naoyuki Katayama, Minoru Nohara, Hide Takagi, Annette Trunschke, Takashi Mizokawa, Claude Monney, Julia Stähler

Physical Review B   97 ( 11 )   2018.3

放射光X線を用いた異常原子価のCrをもつCrSe₂の構造物性研究

小林慎太郎, 片山尚幸, 道岡千城, 植田浩明, 吉村一良, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.24pK503‐2   2018.3

コア差フーリエ合成解析によるFeV₂O₄の軌道秩序の観測

萬條太駿, 菅原健人, 鬼頭俊介, 片山尚幸, 新居陽一, 有馬孝尚, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.22aK403‐6   2018.3

Cu_xTiSe₂単結晶を用いた構造物性研究

鬼頭俊介, 小林慎太郎, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.22aK402‐7   2018.3

層状Li_0.33VS₂における巨大なエントロピー変化を伴う構造相転移

片山尚幸, 田村慎也, 山口伴紀, 杉本高大, 太田幸則, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.22aK403‐5   2018.3

S=1/2カゴメ格子反強磁性体Cs₂ATi₃F₁₂(A⁺=Li⁺,Na⁺,K⁺,Rb⁺,NH⁺₄)の構造歪みと物性

白上龍, 後藤真人, 植田浩明, 小林慎太郎, 菅原健人, 片山尚幸, 澤博, 松尾晶, 金道浩一, 道岡千城, 吉村一良

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.23aK305‐7   2018.3

1T‐TiSe₂の高圧低温下における光学伝導度と電子状態

岡村英一, 坪内厚志, 片山尚幸, 澤博, 池本夕佳, 森脇太郎

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.22aK402‐8   2018.3

放射光X線を用いた二次元三角格子系LiVS₂におけるV三量体構造の観測

田村慎也, 山本暖, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.22aK403‐4   2018.3

βパイロクロア酸化物CsW₂O₆単結晶の合成と物性 III

三十日陸斗, 二木健太, 岡本佳比古, 長谷川巧, 荻田典男, 天野春樹, 片山尚幸, 澤博, 竹中康司

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   ROMBUNNO.25aK404‐6   2018.3

Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5

Akitoshi Nakano, Kento Sugawara, Shinya Tamura, Naoyuki Katayama, Kazuyuki Matsubayashi, Taku Okada, Yoshiya Uwatoko, Kouji Munakata, Akiko Nakao, Hajime Sagayama, Reiji Kumai, Kunihisa Sugimoto, Naoyuki Maejima, Akihiko Machida, Tetsu Watanuki, Hiroshi Sawa

IUCrJ   5   158 - 165   2018.3

Photo-induced semimetallic states realised in electron-hole coupled insulators Reviewed International journal

Kozo Okazaki, Yu Ogawa, Takeshi Suzuki, Takashi Yamamoto, Takashi Someya, Shoya Michimae, Mari Watanabe, Yangfan Lu, Minoru Nohara, Hidenori Takagi, Naoyuki Katayama, Hiroshi Sawa, Masami Fujisawa, Teruto Kanai, Nobuhisa Ishii, Jiro Itatani, Takashi Mizokawa, Shik Shin

Nature Communications   9 ( 1 )   accepted - 4322   2018

Magnetic and structural properties of A-site ordered chromium spinel sulfides: Alternating antiferromagnetic and ferromagnetic interactions in the breathing pyrochlore lattice

Yoshihiko Okamoto, Masaki Mori, Naoyuki Katayama, Atsushi Miyake, Masashi Tokunaga, Akira Matsuo, Koichi Kindo, Koshi Takenaka

Journal of the Physical Society of Japan   87 ( 3 )   2018

Direct visualization of orbital flipping in volborthite by charge density analysis using detwinned data

Kento Sugawara, Kunihisa Sugimoto, Tatsuya Fujii, Takafumi Higuchi, Naoyuki Katayama, Yoshihiko Okamoto, Hiroshi Sawa

Journal of the Physical Society of Japan   87 ( 2 )   2018

励起子絶縁体候補物質Ta₂NiSe₅における高圧下ホール効果

有馬寛人, 片山尚幸, 野原実, LU Y.F., 高木英典, 高木英典, 上床美也, 松林和幸

日本物理学会講演概要集(CD-ROM)   73 ( 1 )   2018

軌道秩序に伴うドメインを考慮した放射光X線による単結晶構造解析

萬條太駿, 鬼頭俊介, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 2 )   2018

α-(BEDT-TTF)₂I₃とα-(BETS)₂I₃に関する構造物性研究

鬼頭俊介, 鬼頭俊介, 中村敏和, 開康一, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   73 ( 2 )   2018

Ta₂NiSe₅の相図における静水圧と異方的圧力効果の比較

有馬寛人, 片山尚幸, 野原実, LU Y.F., 北川健太郎, 高木英典, 高木英典, 上床美也, 松林和幸

日本物理学会講演概要集(CD-ROM)   73 ( 2 )   2018

Investigation of Honeycomb Lattice Consisting of Cu-2(pymca)(3) Moieties Using Synchrotron Radiation X-ray Structure Analysis

Kento Sugawara, Kunihisa Sugimoto, Naoyuki Katayama, Masayuki Hagiwara, Zentaro Honda, Hiroshi Sawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   86 ( 12 )   2017.12

Giant negative thermal expansion in Fe-doped layered ruthenate ceramics

Koshi Takenaka, Tsubasa Shinoda, Naruhiro Inoue, Yoshihiko Okamoto, Naoyuki Katayama, Yuki Sakai, Takumi Nishikubo, Masaki Azuma

APPLIED PHYSICS EXPRESS   10 ( 11 )   2017.11

Ta₂NiSe₅の圧力誘起層スライド転移

中埜彰俊, 菅原健人, 田村慎也, 片山尚幸, 松林和幸, 岡田卓, 上床美也, 宗像孝司, 中尾朗子, 佐賀山基, 熊井玲児, 前島尚行, 町田晃彦, 綿貫徹, 澤博

高圧討論会講演要旨集   58th   133   2017.10

高圧下TiSe₂の光学スペクトルおよび電子状態

岡村英一, 坪内厚志, 片山尚幸, 澤博, 池本夕佳, 森脇太郎

高圧討論会講演要旨集   58th   181   2017.10

複数結晶を用いた放射光X線単結晶回折による高圧極低温下高精度構造解析

鬼頭俊介, 菅原健人, 中埜彰俊, 片山尚幸, 前島尚行, 町田晃彦, 綿貫徹, 澤博

高圧討論会講演要旨集   58th   147   2017.10

カゴメ弗化物A₂BM₃F₁₂(A,B:アルカリ金属,M:3d遷移金属)の構造物性研究

小林慎太郎, 菅原健人, 後藤真人, 白上龍, 道岡千城, 植田浩明, 吉村一良, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.21aPS‐56   2017.9

フッ酸溶液を用いて合成した新規カゴメ格子反強磁性体A₂BTi₃F₁₂の物性

白上龍, 植田浩明, 小林慎太郎, 菅原健人, 片山尚幸, 澤博, 道岡千城, 吉村一良

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.22aE20‐8   2017.9

2つの単結晶を用いた放射光X線回折による1T‐TiSe₂の高圧極低温下構造解析

鬼頭俊介, 菅原健人, 中埜彰俊, 片山尚幸, 金子竜也, 前島尚行, 町田晃彦, 綿貫徹, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.21aF31‐4   2017.9

β‐パイロクロア型CsW₂O₆における散漫散乱と多段階構造相転移

天野春樹, 二木健太, 三十日陸斗, 岡本佳比古, 竹中康司, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.22pF31‐12   2017.9

励起子絶縁体候補物質Ta₂NiSe₅の放射光X線非弾性散乱 II

中埜彰俊, 田村慎也, 片山尚幸, 長谷川巧, 筒井智嗣, 松石聡, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   ROMBUNNO.23aPS‐113   2017.9

Scaling of Memories and Crossover in Glassy Magnets

A. M. Samarakoon, M. Takahashi, D. Zhang, J. Yang, N. Katayama, R. Sinclair, H. D. Zhou, S. O. Diallo, G. Ehlers, D. A. Tennant, S. Wakimoto, K. Yamada, G-W. Chern, T. J. Sato, S. -H. Lee

SCIENTIFIC REPORTS   7   2017.9

Successive Dimensional Transition in (TMTTF)(2)PF6 Revealed by Synchrotron X-ray Diffraction

Shunsuke Kitou, Tatsuya Fujii, Tadashi Kawamoto, Naoyuki Katayama, Sachiko Maki, Eiji Nishibori, Kunihisa Sugimoto, Masaki Takata, Toshikazu Nakamura, Hiroshi Sawa

PHYSICAL REVIEW LETTERS   119 ( 6 )   2017.8

Ultrafast Electronic Band Gap Control in an Excitonic Insulator

Selene Mor, Marc Herzog, Denis Golez, Philipp Werner, Martin Eckstein, Naoyuki Katayama, Minoru Nohara, Hide Takagi, Takashi Mizokawa, Claude Monney, Julia Staehler

PHYSICAL REVIEW LETTERS   119 ( 8 )   2017.8

Ising-like anisotropy stabilized (1)/(3) and (2)/(3) magnetization plateaus in the V3+ kagome lattice antiferromagnets Cs2KV3F12, Cs2NaV3F12, and Rb2NaV3F12

Masato Goto, Hiroaki Ueda, Chishiro Michioka, Akira Matsuo, Koichi Kindo, Kento Sugawara, Shintaro Kobayashi, Naoyuki Katayama, Hiroshi Sawa, Kazuyoshi Yoshimura

PHYSICAL REVIEW B   95 ( 13 )   2017.4

β型パイロクロア酸化物CsW₂O₆単結晶の合成と物性 II

二木健太, 岡本佳比古, 天野春樹, 片山尚幸, 澤博, 中村優斗, 岸田英夫, 竹中康司

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.19pL22‐6   2017.3

スピン1/2ハニカム格子反強磁性体Cu₂(pymca)₃(ClO₄)の強磁場磁化過程

奥谷顕, 木田孝則, 鳴海康雄, 下川統久朗, 菅原健人, 片山尚幸, 澤博, 本多善太郎, 萩原政幸

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.17pC36‐9 - 1077   2017.3

放射光単結晶X線回折によるβパイロクロア型CsW₂O₆の構造物性研究

天野春樹, 二木健太, 岡本佳比古, 竹中康司, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.19pL22‐7   2017.3

Mo二量体を持つルチル型Li_xMoO₂の構造相転移と物性

山田悠人, 田村慎也, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.18pL22‐12   2017.3

励起子絶縁体候補物質Ta₂NiSe₅の放射光X線非弾性散乱

中埜彰俊, 田村慎也, 片山尚幸, 筒井智嗣, 松石聡, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.17aL21‐10   2017.3

時間分解光電子分光による励起子絶縁体Ta₂NiSe₅における光誘起金属相の観測

小川優, 鈴木剛, 山本貴士, 岡田大, 染谷隆史, 道前翔矢, 渡邊真莉, 片山尚幸, 野原実, 高木英典, 高木英典, LU Y.F, 澤博, 溝川貴司, 藤澤正美, 金井輝人, 石井順久, 板谷治郎, 辛埴, 岡崎浩三

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.17aL21‐11   2017.3

放射光X線回折によるスピン1/2ハニカム格子系Cu₂(pymca)₃(ClO₄)の構造解析

菅原健人, 片山尚幸, 奥谷顕, 木田孝則, 鳴海康雄, 萩原政幸, 本多善太郎, 佐賀山基, 熊井玲児, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.17pC36‐8 - 1076   2017.3

多彩なヒ素ネットワーク構造を持つ112型鉄ヒ化物の構造物性研究

片山尚幸, 田村慎也, 山田悠人, 澤博

日本物理学会講演概要集(CD-ROM)   72 ( 1 )   ROMBUNNO.18aK‐PS‐18   2017.3

Colossal negative thermal expansion in reduced layered ruthenate

Koshi Takenaka, Yoshihiko Okamoto, Tsubasa Shinoda, Naoyuki Katayama, Yuki Sakai

NATURE COMMUNICATIONS   8   2017.1

Colossal negative thermal expansion in reduced layered ruthenate Reviewed

Koshi Takenaka, Yoshihiko Okamoto, Tsubasa Shinoda, Naoyuki Katayama, Yuki Sakai

NATURE COMMUNICATIONS   8   14102   2017.1

励起子絶縁体候補物質Ta₂NiSe₅における高圧下電気抵抗とホール効果

有馬寛人, 片山尚幸, 野原実, LU Y. F., 高木英典, 高木英典, 上床美也, 松林和幸

日本物理学会講演概要集(CD-ROM)   72 ( 2 )   2017

フェムト秒レーザー時間分解光電子分光による励起子絶縁体候補Ta₂NiSe₅の研究

小川優, 石田行章, 片山尚幸, 野原実, 高木英典, 高木英典, 澤博, 溝川貴司, 辛埴, 岡崎浩三

日本物理学会講演概要集(CD-ROM)   71 ( 2 )   ROMBUNNO.15pPSB‐17 - 2230   2016.9

励起子相候補物質TiSe₂における低温相の渦型反強誘電配列

鬼頭俊介, 中埜彰俊, 片山尚幸, 丹田聡, 澤博

日本物理学会講演概要集(CD-ROM)   71 ( 2 )   ROMBUNNO.14pJA‐11 - 1983   2016.9

放射光X線散乱による励起子絶縁体Ta₂NiSe₅の構造物性研究

中埜彰俊, 鬼頭俊介, 菅原健人, 田村慎也, 片山尚幸, 澤博, 佐賀山基, 熊井玲児, 筒井智嗣, 前島尚行, 町田晃彦, 綿貫徹

日本物理学会講演概要集(CD-ROM)   71 ( 2 )   ROMBUNNO.13aJC‐13 - 1750   2016.9

β型パイロクロア酸化物CsW₂O₆単結晶の合成と物性

二木健太, 岡本佳比古, 藤井達也, 片山尚幸, 澤博, 中村優斗, 岸田英夫, 竹中康司

日本物理学会講演概要集(CD-ROM)   71 ( 1 )   ROMBUNNO.22ABD‐2 - 2341   2016.3

励起子絶縁体候補物質Ta₂NiSe₅への化学置換効果

田村慎也, 中埜彰俊, 片山尚幸, 澤博

日本物理学会講演概要集(CD-ROM)   71 ( 1 )   ROMBUNNO.21APS‐70 - 2264   2016.3

Synchrotron X-ray diffraction study of 112-type Ca1-xLaxFeAs2

N. Katayama, K. Sugawara, A. Nakano, S. Kitou, Y. Sugiyama, N. Kawaguchi, H. Ito, T. Higuchi, T. Fujii, H. Sawa

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   518   10 - 13   2015.11

24aPS-71 Development of the method for observing 3d orbital order by ultra-accurate structure analysis with synchrotron X-ray diffraction

Fujii T, Sugawara K, Higuchi T, Katayama N, Sawa H, Shishido T, Sugimoto K, Takata M, Arima T, Taguchi Y, Tokura Y

Meeting Abstracts of the Physical Society of Japan   70 ( 0 )   2422 - 2422   2015

Excitonic Bose-Einstein condensation above room temperature

K. Seki, Y. Wakisaka, T. Kaneko, T. Toriyama, T. Konishi, T. Sudayama, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, Y. Ohta

Physical Review B   90   155116   2014.11

7pBD-10 A new iron arsenide with three dimensional network structure of FeAs plane

Katayama N., Sawa H., Matsubayashi K., Uwatoko Y.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   336 - 336   2014.8

7aBG-2 Pressure-induced superconductivity on possible excitonic insulating compound Ta_2NiSe_5

Matsubayashi K., Yamanaka R., Hisada A., Katayama N., Nohara M., Takagi H., Uwatoko Y.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   321 - 321   2014.8

7aBG-3 High-Pressure Synchrotron x-ray diffraction study on possible excitonic insulating compound Ta_2NiSe_5

Nakano A., Katayama N., Sawa H., Matsubayashi K., Okada T., Uwatoko Y., Munakata K., Nakao A., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   321 - 321   2014.8

7aBG-4 Photoemission Spectroscopy of Ta_2NiX_5(X=S,Se)

Chiba Y., Sawada K., Noda T., Sugimoto T., Ootsuki D., Mizokawa T., Kobayashi M., Horiba K., Ono K., Kumigashira H., Nakano A., Katayama N., Sawa H., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   322 - 322   2014.8

9aBD-5 Structural phase transition in a superconductor, Ca_<10>(Ir_4As_8)(Fe_2As_2)_5

Sugiyama Yuki, Sugawara Kento, Higuchi Takafumi, Katayama Naoyuki, Sawa Hiroshi, Mizokawa Takashi, Kudo Kazutaka, Mitsuoka Daisuke, Nohara Minoru

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   397 - 397   2014.8

9aBD-6 x dependence in the structural parameters in the 112-type superconductor Ca_<1-x>La_xFeAs_2

Katayama N., Sawa H., Kudo K., Nohara M.

Meeting abstracts of the Physical Society of Japan   69 ( 2 )   397 - 397   2014.8

Observation of quadrupole helix chirality and its domain structure in DyFe3(BO3)(4)

T. Usui, Y. Tanaka, H. Nakajima, M. Taguchi, A. Chainani, M. Oura, S. Shin, N. Katayama, H. Sawa, Y. Wakabayashi, T. Kimura

NATURE MATERIALS   13 ( 6 )   611 - 618   2014.6

27aBC-8 Experimental Charge Density Study of β-X[Pd(dmit)_2]_2(X=Me_4N,(FCH)_2Me_3N)

Sugawara K., Ito Y., Katayama N., Sawa H., Nomura M., Kato R.

Meeting abstracts of the Physical Society of Japan   69 ( 1 )   825 - 825   2014.3

27pCE-8 Novel iron-based superconductor Ca_<10>(Ir_4As_8)(Fe_2As_2)_5 with square-planar Ir_4As_8 layers

Kudo K., Mitsuoka D., Takasuga M., Sugiyama Y., Sugawara K., Katayama N., Sawa H., Kubo H., Takamori K., Ichioka M., Fujii T., Mizokawa T., Nohara M.

Meeting abstracts of the Physical Society of Japan   69 ( 1 )   562 - 562   2014.3

27pCE-5 Superconductivity in 112-type Ca_<1-x>La_xFeAs_2

Katayama Naoyuki, Sugiyama Yuki, Sugawara Kento, Sawa Hiroshi, Onari Seiichiro, Kudo Kazutaka, Nohara Minoru

Meeting abstracts of the Physical Society of Japan   69 ( 1 )   562 - 562   2014.3

29pCG-9 Optical conductivity and electronic structure of excitonic insulator Ta_2NiSe_5 under high pressure

岡村 英一, 池本 夕佳, 木下 豊彦, 尾田 武尊, 山崎 大輝, 李 惺薫, 溝川 貴司, 片山 尚幸, 野原 実, 高木 英典, 森脇 太郎

Meeting Abstracts of the Physical Society of Japan   69 ( 0 )   656 - 656   2014

Development of the Iron Based High Tc Superconductors Toward the Environmental Loading Reduction

( 35 )   72 - 77   2014

Superconductivity in Ca-10(Ir4As8)(Fe2As2)(5) with Square-Planar Coordination of Iridium Reviewed

Kazutaka Kudo, Daisuke Mitsuoka, Masaya Takasuga, Yuki Sugiyama, Kento Sugawara, Naoyuki Katayama, Hiroshi Sawa, Hiroaki S. Kubo, Kenta Takamori, Masanori Ichioka, Tatsuo Fujii, Takashi Mizokawa, Minoru Nohara

SCIENTIFIC REPORTS   3   3101   2013.10

Synchrotron X-ray diffraction analysis of Cu_xBi_2Se_3 as a candidate material for topological superconductor

Katayama Naoyuki, Sugawara Kento, Sawa Hiroshi, Segawa Koji, Ando Youichi

Meeting abstracts of the Physical Society of Japan   68 ( 2 )   639 - 639   2013.8

Ba₃CuSb₂O₉の電子構造

杉本拓也, 溝川貴司, 和達大樹, 田久保耕, DAMASCELLI Andrea, REGIER Thomas, SAWATZKY George, 片山尚幸, 澤博, 木村健太, 中辻知

日本物理学会講演概要集   68 ( 2 )   548   2013.8

26pED-5 Ba_3CuSb_2O_9の電子構造(銅酸化物2,領域8(強相関系分野:高温超伝導,強相関f電子系など))

杉本 拓也, 溝川 貴司, 和達 大樹, 田久保 耕, Damascelli Andrea, Regier Thomas, Sawatzky George, 片山 尚幸, 澤 博, 木村 健太, 中辻 知

日本物理学会講演概要集   68 ( 2 )   548 - 548   2013.8

29aXX-8 Single-particle excitation spectrum of quasi-one-dimensional excitonic insulator Ta_2NiSe_5

Mizokawa T., Seki K., Kaneko T., Toriyama T., Konishi T., Ohta Y., Wakisaka Y., Anzai H., Arita M., Namatame H., Taniguchi M., Nohara M., Katayama N., Takagi H.

Meeting abstracts of the Physical Society of Japan   68 ( 1 )   694 - 694   2013.3

29pXY-2 Structural study of Ba_3CuSb_2O_9 single crystal using X-ray diffraction measurement

Satake Ryuta, Katayama Naoyuki, Nishibori Eiji, Sawa Hiroshi, Kimura Kenta, Nakatsuji Satoru, Broholm Collin

Meeting abstracts of the Physical Society of Japan   68 ( 1 )   726 - 726   2013.3

29pXY-3 X-ray photoemission and X-ray absorption spectroscopy of Ba_3CuSb_2O_9

Sugimoto T., Mizokawa T., Wadati H., Takubo K., Damascelli A., Regier T., Sawatzky G. A., Katayama N., Sawa H., Kimura K., Nakatsuji S.

Meeting abstracts of the Physical Society of Japan   68 ( 1 )   726 - 726   2013.3

28pXJ-5 Observation of the orbital ordered state of 3d electrons in RTiO_3

Sugawara K, Katayama N, Nishibori E, Sawa H, Sugimoto K, Takata M, Arima T, Taguchi Y, Tokura Y

Meeting Abstracts of the Physical Society of Japan   68 ( 0 )   676 - 676   2013

19pGA-11 Inelastic neutron scattering study on the Sr_2FeSi_2O_7 multiferroics under the external magnetic field

Iida K., Jackson T. S., Klich I., Lee J., Ji S., Katayama N., Bergman D. L., Chang S., Le M. D., Schneidewind A., Faulhaber E., Jang T. -H., Jeong Y. -H., Cheong S. -W., Lee S. -H.

Meeting abstracts of the Physical Society of Japan   67 ( 2 )   489 - 489   2012.8

Photoemission Spectroscopy of Ta2NiSe5 Reviewed

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, N. L. Saini, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM   25 ( 5 )   1231 - 1234   2012.7

Spin-Orbital Short-Range Order on a Honeycomb-Based Lattice Reviewed

S. Nakatsuji, K. Kuga, K. Kimura, R. Satake, N. Katayama, E. Nishibori, H. Sawa, R. Ishii, M. Hagiwara, F. Bridges, T. U. Ito, W. Higemoto, Y. Karaki, M. Halim, A. A. Nugroho, J. A. Rodriguez-Rivera, M. A. Green, C. Broholm

SCIENCE   336 ( 6081 )   559 - 563   2012.5

27aYF-2 Direct Observation of Orbital Ordering in SmTiO_3 by Precise Analysis using Synchrotron Radiation X-ray

Oku Kenta, Katayama Naoyuki, Nishibori Eiji, Sawa Hiroshi, Taguchi Yasujiro, Arima Takahisa, Tokura Yoshinori

Meeting abstracts of the Physical Society of Japan   67 ( 1 )   689 - 689   2012.3

温度変化ARPESからみたTa₂NiSe₅の相転移

脇坂祐輝, 須田山貴亮, 田久保耕, 溝川貴司, SAINI Naurgng L, 有田将司, 生天目博文, 谷口雅樹, 片山尚幸, 野原実, 高木英典

日本物理学会講演概要集   66 ( 2 )   654 - 654   2011.8

Inelastic neutron scattering study of the magnetic fluctuations in Sr2RuO4 Reviewed

K. Iida, M. Kofu, N. Katayama, J. Lee, R. Kajimoto, Y. Inamura, M. Nakamura, M. Arai, Y. Yoshida, M. Fujita, K. Yamada, S. -H. Lee

PHYSICAL REVIEW B   84 ( 6 )   060402(R)   2011.8

Pressure-induced changes in the magnetic and valence state of EuFe2As2

K. Matsubayashi, K. Munakata, M. Isobe, N. Katayama, K. Ohgushi, Y. Ueda, N. Kawamura, M. Mizumaki, N. Ishimatsu, M. Hedo, I. Umehara, Y. Uwatoko

PHYSICAL REVIEW B   84 ( 2 )   024502   2011.7

27pED-8 Temperature dependence of angle-resolved photoemission spectroscopy of Ta_2NiSe_5

Wakisaka Y., Sudayama T., Takubo K., Mizokawa T., Saini Naurang L., Arita M., Namatame H., Taniguchi M., Katayama N., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   66 ( 1 )   635 - 635   2011.3

23aPS-126 Pressure effect of excitonic insulator Ta_2NiSe_5

Yamanaka Rina, Matsubayashi Kazuyuki, Katayama Naoyuki, Nohara Minoru, Takagi Hidenori, Uwatoko Yoshiya

Meeting abstracts of the Physical Society of Japan   65 ( 2 )   489 - 489   2010.8

Absence of nesting in the charge-density-wave system 1T-VS2 as seen by photoelectron spectroscopy

M. Mulazzi, A. Chainani, N. Katayama, R. Eguchi, M. Matsunami, H. Ohashi, Y. Senba, M. Nohara, M. Uchida, H. Takagi, S. Shin

PHYSICAL REVIEW B   82 ( 7 )   075130   2010.8

Coupling of spin and orbital excitations in the iron-based superconductor FeSe<inf>0.5</inf> Te<inf>0.5</inf>

S. H. Lee, Guangyong Xu, W. Ku, J. S. Wen, C. C. Lee, N. Katayama, Z. J. Xu, S. Ji, Z. W. Lin, G. D. Gu, H. B. Yang, P. D. Johnson, Z. H. Pan, T. Valla, M. Fujita, T. J. Sato, S. Chang, K. Yamada, J. M. Tranquada

Physical Review B - Condensed Matter and Materials Physics   81 ( 22 )   220502(R)   2010.6

High-Field Studies on Single Crystals of EuFe2As2

M. Tokunaga, I. Katakura, N. Katayama, K. Ohgushi

JOURNAL OF LOW TEMPERATURE PHYSICS   159 ( 5-6 )   601 - 605   2010.6

XAS and XMCD measurements for iron-based superconductor EuFe_2As_2 under high pressure

MUNAKATA K., KAWAMURA N., MATSUBAYASHI K., MIZUMAKI M., ISHIMATSU N., ISOBE M., KATAYAMA N., OHGUSHI K., UEDA Y., UWATOKO Y.

( 56 )   92 - 93   2010.5

High pressure effect of iron arsenide compounds with rare earth elements

MATSUBAYASHI K., MUNAKATA K., OHGUSHI K., TSUKAMOTO Y., OKAMOTO Y., HIROI Z., UWATOKO Y., YAMADA A., KATAYAMA N.

( 56 )   90 - 91   2010.5

Local atomic structure of superconducting FeSe1-xTex

Despina Louca, K. Horigane, A. Llobet, R. Arita, S. Ji, N. Katayama, S. Konbu, K. Nakamura, T. -Y. Koo, P. Tong, K. Yamada

PHYSICAL REVIEW B   81 ( 13 )   134524   2010.4

22pPSA-6 NMR study of LiVS_2 and LiVO_2

Kawasaki Y., Kimura S., Kishimoto Y., Ohno T., Niitaka S., Katayama N., Takagi H.

Meeting abstracts of the Physical Society of Japan   65 ( 1 )   499 - 499   2010.3

20pPSB-9 XAS/XMCD measurements of EuFe_2As_2 under pressure

Munakata K., Kawamura N., Matsubayashi K., Mizumaki M., Ishimatsu N., Isobe M., Katayama N., Ohgushi K., Ueda Y., Uwatoko Y.

Meeting abstracts of the Physical Society of Japan   65 ( 1 )   579 - 579   2010.3

23aGE-4 X-ray absorption and emission spectroscopy of Ta_2NiSe_5

Wakisaka Y., Sudayama T., Mizokawa T., Katayama N., Nohara M., Takagi H., Wadati H., Sawatzky G. A., Hawthron D. G., Regier T. Z., Arai H., Horikawa Y., Tokushima T., Taguchi M., Takata Y., Shin S.

Meeting abstracts of the Physical Society of Japan   65 ( 1 )   669 - 669   2010.3

Orbital-Dependent Modifications of Electronic Structure across the Magnetostructural Transition in BaFe2As2

T. Shimojima, K. Ishizaka, Y. Ishida, N. Katayama, K. Ohgushi, T. Kiss, M. Okawa, T. Togashi, X. -Y. Wang, C. -T. Chen, S. Watanabe, R. Kadota, T. Oguchi, A. Chainani, S. Shin

PHYSICAL REVIEW LETTERS   104 ( 5 )   057002   2010.2

High-Pressure Ac Specific Heat Technique with Cubic Anvil Apparatus

K. Matsubayashi, M. Hedo, I. Umehara, N. Katayama, K. Ohgushi, A. Yamada, K. Munakata, T. Matsumoto, Y. Uwatoko

INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY, JOINT AIRAPT-22 AND HPCJ-50   215   012187   2010

Spontaneous Formation of a Superconducting and Antiferromagnetic Hybrid State in SrFe2As2 under High Pressure

K. Kitagawa, N. Katayama, H. Gotou, T. Yagi, K. Ohgushi, T. Matsumoto, Y. Uwatoko, M. Takigawa

PHYSICAL REVIEW LETTERS   103 ( 25 )   257002   2009.12

27pRH-12 NMR study of the magnetism-superconductivity coexisting state in SrFe_2As_2 under ultrahigh pressure

Kitagawa K., Katayama N., Goto H., Yagi T., Ohgushi K., Matsumoto T., Uwatoko Y., Takigawa M.

Meeting abstracts of the Physical Society of Japan   64 ( 2 )   547 - 547   2009.8

28pRH-9 Studies of Physical Properties of AFe_2As_2 in Pulsed High Magnetic Fields

Tokunaga M., Katakura I., Katayama N., Ohgushi K., Suzuki S., Ueda Y.

Meeting abstracts of the Physical Society of Japan   64 ( 2 )   569 - 569   2009.8

26aPS-114 Pressure-temperature phase diagram of iron arsenide compounds under highly hydrostatic conditions

Matsubayashi K., Katayama N., Ohgushi K., Yamada A., Munakata K., Matsumoto T., Uwatoko Y.

Meeting abstracts of the Physical Society of Japan   64 ( 2 )   503 - 503   2009.8

Excitonic Insulator State in Ta2NiSe5 Probed by Photoemission Spectroscopy

Y. Wakisaka, T. Sudayama, K. Takubo, T. Mizokawa, M. Arita, H. Namatame, M. Taniguchi, N. Katayama, M. Nohara, H. Takagi

PHYSICAL REVIEW LETTERS   103 ( 2 )   026402   2009.7

Intrinsic Properties of AFe(2)As(2) (A = Ba, Sr) Single Crystal under Highly Hydrostatic Pressure Conditions

Kazuyuki Matsubayashi, Naoyuki Katayama, Kenya Ohgushi, Atsushi Yamada, Koji Munakata, Takehiko Matsumoto, Yoshiya Uwatoko

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 7 )   073706   2009.7

Antiferromagnetism of SrFe2As2 Studied by Single-Crystal As-75-NMR

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Masashi Takigawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 6 )   063706   2009.6

Trimer V3+ Spin Singlet State and Pseudo Gap in LiVS2 Studied by V-51 and Li-7 Nuclear Magnetic Resonance

Tetsu Tanaka, Yu Kawasaki, Shigeki Endou, Satoshi Kimura, Yukiichi Ideta, Yutaka Kishimoto, Takashi Ohno, Naoyuki Katayama, Minoru Nohara, Hidenori Takagi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 5 )   054709   2009.5

27aTC-12 Co substitution effect on BaFe_2As_2

Katayama N., Kiuchi Y., Matsushita Y., Ohgushi K.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   524 - 524   2009.3

27aTC-11 Transport and thermal properties of AFe_2As_2 (A=Ba,Sr,Eu) single crystal under pressure

Matsubayashi K., Katayama N., Ohgushi K., Yamada A., Munakata K., Matsumoto T., Uwatoko Y.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   524 - 524   2009.3

28pTA-10 Single-crystal NMR study on 122 iron arsenide under ultra-high hydrostatic pressure

Kitagawa K., Katayama N., Ohgushi K., Matsumoto T., Uwatoko Y., Goto H., Yagi T., Takigawa M.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   613 - 613   2009.3

28aPS-45 Characteristic of an excitonic insulator seen in Ta_2NiSe_5 through angle-resolved photoemission spectroscopy

Wakisaka Y., Sudayama T., Takubo K., Mizokawa T., Arita M., Namatame H., Taniguchi M., Katayama N., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   606 - 606   2009.3

30pTC-5 Laser angle-resolved photoemission study on BaFe_2As_2 : Observation of Fermi surface

Shimojima T., Ishida Y., Ishizaka K., Katayama N., Ohgushi K., Kiss T., Okawa M., Togashi T., Wang X.-Y., Chen C. T., Watanabe S., Kadota R., Oguchi T., Shin S.

Meeting abstracts of the Physical Society of Japan   64 ( 1 )   661 - 661   2009.3

Local Lattice Distortion and Photo-Induced Phase Transition in Transition-Metal Compounds with Orbital Degeneracy

T. Mizokawa, K. Takubo, T. Sudayama, Y. Wakisaka, N. Takubo, K. Miyano, N. Matsumoto, S. Nagata, T. Katayama, M. Nohara, H. Takagi, M. Ikeda, N. Kojima, M. Arita, H. Namatame, M. Taniguchi

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM   22 ( 1 )   67 - 70   2009.1

27aTL-1 Magnetic Structure of CaIrO_3 as Revealed by Resonant X-ray Magnetic Diffraction

Ohgushi K, Ohsumi H, Sugimoto K, Yamaura J, Katayama N, Arima T, Takagi H

Meeting Abstracts of the Physical Society of Japan   64 ( 0 )   527 - 527   2009

Li-7- and V-51-NMR study of LiVS2

T. Tanaka, Y. Kawasaki, Y. Takagishi, Y. Ideta, Y. Kishimoto, T. Ohno, N. Katayama, M. Nohara, H. Takagi

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   69 ( 12 )   3142 - 3145   2008.12

Commensurate Itinerant Antiferromagnetism in BaFe(2)AS(2): As-75-NMR Studies on a Self-Flux Grown Single Crystal

Kentaro Kitagawa, Naoyuki Katayama, Kenya Ohgushi, Makoto Yoshida, Masashi Takigawa

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 11 )   114709   2008.11

23pQF-9 Metal-Insulator Transition in Ta_2(Ni_<1-x>Co_x)Se_5 through Photoemission Spectroscopy

Wakisaka Y., Sudayama T., Takubo K., Mizokawa T., Arita M., Namatame H., Taniguchi M., Katayama N., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   63 ( 2 )   582 - 582   2008.8

24pYH-1 Angle-Resolved Photoemission Spectroscopy of Ta_2NiSe_5

Wakisaka Y., Sudayama T., Takubo K., Mizokawa T., Arita M., Namatame H., Taniguchi M., Katayama N., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   722 - 722   2008.2

24aPS-83 Magnetic and electric properties of the layered Li_xVS_2 (x=0,0.5,1.0)

Katayama N., Nohara M., Takagi H.

Meeting abstracts of the Physical Society of Japan   63 ( 1 )   590 - 590   2008.2

Ta₂NiSe₅の光電子分光

脇坂祐輝, 田久保耕, 溝川貴司, 片山尚幸, 野原実, 高木英典

日本物理学会講演概要集   62 ( 2 )   664   2007.8

21aPS-114 Pressure effect on the spin-singlet trimer state in layered LiVS_2

Katayama N, Yamashita T, Takeshita N, Niitaka S, Matsuno J, Hashizume D, Uchida M, Nohara M, Takagi H

Meeting abstracts of the Physical Society of Japan   62 ( 2 )   543 - 543   2007.8

20pWG-6 Pressure effect on the charge density wave in layered 1T-VS_2

Katayama N., Nohara M., Takeshita N., Hashizume D., Uchida M., Takagi H.

Meeting abstracts of the Physical Society of Japan   62 ( 1 )   627 - 627   2007.2

24pZR-16 Metal to Nonmagnetic-Insulator Transition in LiVS_2

Katayama N., Nohara M., Uchida M., Kiuchi Y., Takagi H.

Meeting abstracts of the Physical Society of Japan   61 ( 2 )   481 - 481   2006.8

28aUE-1 Magnetic and transport properties of Li_xVS_2 single crystal

Katayama N., Nohara M., Gauzzi Andrea, Takagi H.

Meeting abstracts of the Physical Society of Japan   61 ( 1 )   573 - 573   2006.3

25pWE-2 Superconductivity in Water-intercalated Misfit Layer Tantalum Sulfides

Katayama N., Nohara M., Yamaura J., Sakai F., Takagi H.

Meeting abstracts of the Physical Society of Japan   60 ( 1 )   555 - 555   2005.3

13aRC-13 Chemical Modification and Superconductivity of Misfit Layer Compounds

Katayama N, Nohara M, Takagi H

Meeting abstracts of the Physical Society of Japan   59 ( 2 )   454 - 454   2004.8

28aXC-12 Superconductivity of Hydrated Layered Transition Metal Chalcogenides

Katayama N, Nohara M, Takagi H

Meeting abstracts of the Physical Society of Japan   59 ( 1 )   549 - 549   2004.3

Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta). International conference

N. Katayama, Y. Matsuda, K. Kojima, H. Sawa

MRM2023/IUMRS-ICA2023 Grand Meeting  2023.12.13 

Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta) Invited

Naoyuki Katayama

2023.11.14 

化学基礎Iの授業実施の取り組みについて Invited

片山尚幸

名古屋大学教養教育院化学部会FD (授業評価アンケート高得点によるグッドプラクティス報告)  2023.3.30  名古屋大学教養教育院化学部会FD

Vanadium trimerization and preliminarily appearing zigzag chain dynamics in vanadium chalcogenides with two-dimensional triangular lattice Invited International conference

Naoyuki Katayama

Electronic correlation and lattice anomaly in exotic transition-metal compounds: Multiorbital Mott/Slater phases and orbitally-induced excitonic/CDW phases  2023.3.3 

幾何学的フラストレーション系物質における量体化と短距離秩序の発達 Invited

片山尚幸

ISSP ワークショップ 高圧セミナー “最近の話題から”  2022.3.5 

新しい超伝導体を求めて Invited

片山尚幸

日本物理学会名古屋支部 公開講演会  2021.12.4 

混合原子価スピネル酸化物LiRh2O4の低温相構造解析

塩見学, 小島慶太, 前田秦, 片山尚幸, 岡本佳比古, 澤博

日本物理学会 第76回年次大会  2021.3 

層状Li0.33VS2における3中心2電子σ結合形成に伴って現れる巨大なエントロピー変化 Invited

片山尚幸

第28回日本MRS年次大会  2018.12.18 

Various Arsenic Network Structures in 112-type Ca1-xLaxFe1-yPdyAs2 Revealed by Synchrotron X-ray Diffraction Experiments Invited International conference

BIT's 5th Annual Congress of AnalytiX-2017  2017.3.22 

エキシトニック絶縁体候補物質 Ta2NiSe5の高圧下放射光X線構造解析 Invited

片山尚幸

Workshop: CROSSroads of Users and J-PARC  2015.10.14 

Deveopment of novel iron arsenides with arsenic network structures: 112-type Ca1-xLaxFeAs2 and its related materials Invited

N. Katayama

EMN Qingdao Meeting  2015.6.14 

Superconductivity in Ca1-xLaxFeAs : A Novel 112-Type Iron Pnictide with Arsenic Zigzag Bonds Invited

Naoyuki KATAYAMA, Hiroshi SAWA, Kazutaka KUDO, Minoru NOHARA

27th International Symposium on Superconductivity (ISS2014)  2014.11.25 

Structural Instability of the Mixed-Valence Spinel Compound CuIr₂S₄

Naoyuki Katayama

The International Workshop on Exotic Quantum Phases due to Unhappy Electrons  2025.11.13 

無機固体で生じる分子形成現象

片山尚幸

基研WS「高次にもつれた量子相探索の展開」 

放射光X線を用いた分子ジャイロコマ C14PhF2の構造研究

砂田龍太朗, 原武史, 瀬高渉, 片山尚幸

第７回固体化学フォーラム研究会 / ISSPワークショップ： 固体物質・材料研究の現在と未来  2025.6.24 

高強度X線照射によるCuIr2S4の逐次相転移現象

大橋 翼, 小島 慶太, 江見 方敏, 小山 千翔, 橋本 賢太, 気谷 卓, 川路 均, 鈴木 博之, 永田 正一, 片山 尚幸

第７回固体化学フォーラム研究会 / ISSPワークショップ： 固体物質・材料研究の現在と未来  2025.6.24 

放射光X線を用いたスピネル型化合物CuIr2S4の高圧下構造の同定

江見方敏, 大橋翼, 小島慶太, 杉本高大, 岡健太, 門林宏和, 河口沙織, 橋本賢太, 気谷卓, 川路均, 片山尚幸

第７回固体化学フォーラム研究会 / ISSPワークショップ： 固体物質・材料研究の現在と未来  2025.6.24 

3D-ΔPDF解析を用いたRuX(X = P, As)系に生じる短距離秩序の観測

久保泰星, 平井大悟郎, 片山尚幸

第７回固体化学フォーラム研究会 / ISSPワークショップ： 固体物質・材料研究の現在と未来  2025.6.24 

RuPの強磁場下EXAFS測定 Invited

片山尚幸

1000テスラ科学 第5回領域会議  2025.6.20 

3D-ΔPDF解析を用いたRuX(X = P, As)系に生じる短距離秩序の観測

久保泰星, 平井大悟郎, 片山尚幸

1000テスラ科学 第5回領域会議  2025.6.20 

高強度X線照射によるCuIr2S4の逐次相転移現象

大橋 翼, 小島 慶太, 江見 方敏, 小山 千翔, 橋本 賢太, 気谷 卓, 川路 均, 鈴木 博之, 永田 正一, 片山 尚幸

1000テスラ科学 第5回領域会議  2025.6.20 

放射光X線を用いたスピネル型化合物CuIr2S4の高圧下構造の同定

江見方敏, 大橋翼, 小島慶太, 杉本高大, 岡健太, 門林宏和, 河口沙織, 橋本賢太, 気谷卓, 川路均, 片山尚幸

1000テスラ科学 第5回領域会議  2025.6.20 

放射光X線を用いた分子ジャイロコマ C14PhF2の構造研究

砂田龍太朗, 原武史, 瀬高渉, 片山尚幸

1000テスラ科学 第5回領域会議  2025.6.20