Tohoku University   JSPS fellow(PD)

1997.4 - 1998.9

Molecular dynamics simulation of deposition of amorphous carbon films on sapphire surfaces Reviewed

Qiang Yue, Takayoshi Yokoya, Yuji Muraoka

Diamond and Related Materials   140   110514 - 110514   2023.12

Photoelectron holographic evidence for the incorporation site of Se and suppressed atomic displacement of the conducting layer of La(O,F)BiSSe Reviewed

YaJun Li, ZeXu Sun, Noriyuki Kataoka, Taro Setoguchi, Yusuke Hashimoto, Soichiro Takeuchi, Shunjo Koga, Kazuhisa Hoshi, Yoshikazu Mizuguchi, Tomohiro Matsushita, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

Japanese Journal of Applied Physics   62 ( 12 )   125001 - 125001   2023.11

Controlling of Localization by Elemental-substitution Effect in Layered BiCh₂-based Compounds LaO_1−xF_xBiS_2−ySe_y Reviewed

Kazuhisa Hoshi, Hiroto Arima, Noriyuki Kataoka, Masayuki Ochi, Aichi Yamashita, Anne de Visser, Takayoshi Yokoya, Kazuhiko Kuroki, Yoshikazu Mizuguchi

Journal of the Physical Society of Japan   92 ( 5 )   2023.5

Photoelectron Holography Study of La(O,F)BiS₂ Reviewed

YaJun Li, ZeXu Sun, Noriyuki Kataoka, Taro Setoguchi, Yusuke Hashimoto, Soichiro Takeuchi, Shunjo Koga, Satoshi Demura, Kanako Noguchi, Hideaki Sakata, Yoshikazu Mizuguchi, Tomohiro Matsushita, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

Journal of the Physical Society of Japan   92 ( 4 )   2023.4

Synthesis and Characterization of a Trigonal Layered Compound AgInS₂ Reviewed

Takahiro Sawahara, Ryo Matsumoto, Yuki Nakahira, Hidetomo Usui, Noriyuki Kataoka, Ryusei Saitou, Takanori Wakita, Takayoshi Yokoya, Aichi Yamashita, Yosuke Goto, Yoshihiko Takano, Akira Miura, Yoshikazu Mizuguchi

ACS Omega   8 ( 12 )   11288 - 11292   2023.3

Self-organized vertical multilayer structures in spinodally decomposed TiO2-VO2 films on glass substrates Reviewed

Yuji Muraoka, Kazutada Takeda, Yoshito Takemoto, Takanori Wakita, Takayoshi Yokoya

Thin Solid Films   769   139749 - 139749   2023.3

Temperature dependent local inhomogeneity and magnetic moments of (Li_1−xFe_x)OHFeSe superconductors Reviewed

G. Tomassucci, L. Tortora, G. M. Pugliese, F. Stramaglia, L. Simonelli, C. Marini, K. Terashima, T. Wakita, S. Ayukawa, T. Yokoya, K. Kudo, M. Nohara, T. Mizokawa, N. L. Saini

Physical Chemistry Chemical Physics   2023

Photoelectron Diffraction and Holography Studies on Dopant Local Structures Invited Reviewed

Takayoshi Yokoya

Journal of the Physical Society of Japan   91 ( 9 )   2022.9

Modification of the synthesis of layered titanium chloride nitride Reviewed

Masashi Tanaka, Noriyuki Kataoka, Haruya Kobayashi, Masaya Fujioka, Masaru Oda, Aishi Yamamoto, Kensei Terashima, Junji Nishii, Hiromi Tanaka, Takayoshi Yokoya

Materials Research Bulletin   153   111896 - 111896   2022.9

Anomalously large spin-dependent electron correlation in the nearly half-metallic ferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>CoS</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> Reviewed

Hirokazu Fujiwara, Kensei Terashima, Junya Otsuki, Nayuta Takemori, Harald O. Jeschke, Takanori Wakita, Yuko Yano, Wataru Hosoda, Noriyuki Kataoka, Atsushi Teruya, Masashi Kakihana, Masato Hedo, Takao Nakama, Yoshichika Ōnuki, Koichiro Yaji, Ayumi Harasawa, Kenta Kuroda, Shik Shin, Koji Horiba, Hiroshi Kumigashira, Yuji Muraoka, Takayoshi Yokoya

Physical Review B   106 ( 8 )   2022.8

Superconductivity in the α-Form Layer Structured Metal Nitride Halide Reviewed

Masashi Tanaka, Noriyuki Kataoka, Takayoshi Yokoya

Condensed Matter   7 ( 2 )   33 - 33   2022.4

Incorporation Site and Valence State of Sn Atoms in Sn-Substituted La(O,F)BiS2 Superconductor Reviewed

YaJun Li, ZeXu Sun, Noriyuki Kataoka, Taro Setoguchi, Yusuke Hashimoto, Soichiro Takeuchi, Shunjo Koga, Takayuki Muro, Satoshi Demura, Kanako Noguchi, Hideaki Sakata, Tomohiro Matsushita, Ikuto Kawasaki, Shin-ichi Fujimori, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

J. Phys. Soc. Jpn.   91 ( 5 )   054602   2022.4

Strain relaxation and spinodal decomposition in composition adjusted TiO2-VO2 films on TiO2(100) substrates Reviewed

Takahiro Fukuda, Yoshito Takemoto, Takanori Wakita, Takayoshi Yokoya, Yuji Muraoka

Thin Solid Films   751   139210   2022.4

The Local Structure of the BiS2 Layer in RE(O,F)BiS2 Determined by In-Plane Polarized X-ray Absorption Measurements Reviewed

G. M. Pugliese, L. Tortora, E. Paris, T. Wakita, K. Terashima, A. Puri, M. Nagao, R. Higashinaka, T. D. Matsuda, Y. Aoki, T. Yokoya, T. Mizokawa, N. L. Saini

Physchem   1 ( 3 )   250 - 258   2021.11

Photoinduced oxygen transport in cobalt double-perovskite crystal EuBaCo2O5.39 Reviewed

M. Hada, O. S. Ohmura, T. Ishikawa, M. Saigo, N. Keio, W. Yajima, T. Suzuku, D. Urushihara, K. Takubo, Y. Masaki, M. Kuwahara, K. Tsuruta, Y. Hayashi, J. Matsuno, T. Yokooya, K. Onda, F. Shimojo, M. Mase, S. Ishihara, T. Asaka, N. Abe

Applied Materials Today   24   101167 - 101167   2021.9

Soft x-ray irradiation induced metallization of layered TiNCl Reviewed

Noriyuki Kataoka, Masashi Tanaka, Wataru Hosoda, Takumi Taniguchi, Shin-ichi Fujimori, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

Journal of Physics: Condensed Matter   33 ( 3 )   035501 - 035501   2021.1

Momentum Dependent Band Renormalization and Surface Aging Effect on a Zone Center Electron Pocket in NaSn2As2 Revealed by Angle-Resolved Photoemission Spectroscopy Reviewed

Yuka Akabane, Taiki Shimaiwa, Yosuke Goto, Yoshikazu Mizuguchi, Takayoshi Yokoya, Masashi Arita, Shiv Kumar, Eike F. Schwier, Kenya Shimada, Naurang L. Saini, Takashi Mizokawa

Journal of the Physical Society of Japan   89 ( 11 )   114707 - 114707   2020.11

The local structure of self-doped BiS2-based layered systems as a function of temperature Reviewed

G. M. Pugliese, E. Paris, F. G. Capone, F. Stramaglia, T. Wakita, K. Terashima, T. Yokoya, T. Mizokawa, Y. Mizuguchi, N. L. Saini

Physical Chemistry Chemical Physics   22 ( 39 )   22217 - 22225   2020.10

Formation of Q-carbon by adjusting sp3 content in diamond-like carbon films and laser energy density of pulsed laser annealing Reviewed

Hiroki Yoshinaka, Seiko Inubushi, Takanori Wakita, Takayoshi Yokoya, Yuji Muraoka

Carbon   167   504 - 511   2020.10

Theory for High‐Angular‐Resolution Photoelectron Holograms Considering the Inelastic Mean Free Path and the Formation Mechanism of Quasi‐Kikuchi Band Reviewed

Tomohiro Matsushita, Takayuki Muro, Takayoshi Yokoya, Kensei Terashima, Yukako Kato, Hirosuke Matsui, Naoyuki Maejima, Yusuke Hashimoto, Fumihiko Matsui

physica status solidi (b)   2000117 - 2000117   2020.7

Skewed electronic band structure induced by electric polarization in ferroelectric BaTiO<inf>3</inf> Reviewed

Norihiro Oshime, Jun Kano, Eiji Ikenaga, Shintaro Yasui, Yosuke Hamasaki, Sou Yasuhara, Satoshi Hinokuma, Naoshi Ikeda, Pierre Eymeric Janolin, Jean Michel Kiat, Mitsuru Itoh, Takayoshi Yokoya, Tatsuo Fujii, Akira Yasui, Hitoshi Osawa

Scientific Reports   10 ( 1 )   2020.7

High-pressure x-ray absorption and diffraction study of the self-doped superconductor EuFBiS2 Reviewed

E. Paris, B. Joseph, C. Marini, K. Terashima, T. Wakita, T. Yokoya, Y. Mizuguchi, T. Mizokawa, N. L. Saini

Physical Review B   101 ( 21 )   2020.6

Change in the electronic structure of the bismuth chalcogenide superconductor CsBi4−x Pb x Te6 by dissociation of the bismuth dimers Reviewed

Hiroyuki Okazaki, Kensei Terashima, David Billington, Keiji Iwata, Takanori Wakita, Masashi Tanaka, Yoshihiko Takano, Yuji Muraoka, Takayoshi Yokoya

Journal of Physics: Condensed Matter   32 ( 14 )   145501 - 145501   2020.4

Change in the work function of VO2 thin film across the metal-insulator transition in VO2/TiO2:Nb(001) heterostructures Reviewed

Yuji Muraoka, Yuki Suga, Hayato Nakahara, Takayoshi Yokoya

JPS Conf. Proc.   30   011071 - 011071   2020.3

Strain effects on spinodal decomposition in TiO2-VO2 films on TiO2(100) substrates Reviewed

Yuji Muraoka, Fumiya Yoshii, Takahiro Fukuda, Yuji Manabe, Mikiko Yasuno, Yoshito Takemoto, Kensei Terashima, Takanori Wakita, Takayoshi Yokoya

Thin Solid Films   698   137854   2020.2

Data-driven exploration for pressure-induced superconductors using diamond anvil cell with boron-doped diamond electrodes and undoped diamond insulating layer Reviewed

Ryo Matsumoto, Zhufeng Hou, Shintaro Adachi, Masanori Nagao, Sayaka Yamamoto, Peng Song, Noriyuki Kataoka, Pedro Baptista de Castro, Kensei Terashima, Hiroyuki Takeya, Hiromi Tanaka, Takayoshi Yokoya, Tetsuo Irifune, Kiyoyuki Terakura, Yoshihiko Takano

HIGH PRESSURE RESEARCH   40 ( 1 )   22 - 34   2020.1

Temperature dependent local atomic displacements in NaSn2As2 system Reviewed

Pugliese G. M, Stramaglia F, Goto Y, Terashima K, Simonelli L, Fujiwara H, Puri A, Marini C, Hacisalihoglu M. Y, d'Acapito F, Yokoya T, Mizokawa T, Mizuguchi Y, Saini N. L

JOURNAL OF PHYSICS-CONDENSED MATTER   31 ( 42 )   2019.10

mu-PES Studies on TiNCl and Quasi-two-dimensional Superconductor Na-intercalated TiNCl Reviewed

Kataoka Noriyuki, Terashima Kensei, Tanaka Masashi, Hosoda Wataru, Taniguchi Takumi, Wakita Takanori, Muraoka Yuji, Yokoya Takayoshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   88 ( 10 )   104709 - 104709   2019.10

Pressure-induced superconductivity in B i2-x S bx T e3-y S ey Reviewed

Tong He, Xiaofan Yang, Tomoya Taguchi, Teppei Ueno, Kaya Kobayashi, Jun Akimitsu, Hitoshi Yamaoka, Hirofumi Ishii, Yen Fa Liao, Hiromi Ota, Hidenori Goto, Ritsuko Eguchi, Kensei Terashima, Takayoshi Yokoya, Harald O. Jeschke, Xianxin Wu, Yoshihiro Kubozono

Physical Review B   100 ( 9 )   2019.9

Asymmetric Phosphorus Incorporation in Homoepitaxial P-Doped (111) Diamond Revealed by Photoelectron Holography Reviewed

T. Yokoya, K. Terashima, A. Takeda, T. Fukura, H. Fujiwara, T. Muro, T. Kinoshita, H. Kato, S. Yamasaki, T. Oguchi, T. Wakita, Y. Muraoka, T. Matsushita

Nano Letters   19 ( 9 )   5915 - 5919   2019.9

Selective Reduction Mechanism of Graphene Oxide Driven by the Photon Mode versus the Thermal Mode Reviewed

Masaki Hada, Kiyoshi Miyata, Satoshi Ohmura, Yusuke Arashida, Kohei Ichiyanagi, Ikufumi Katayama, Takayuki Suzuki, Wang Chen, Shota Mizote, Takayoshi Sawa, Takayoshi Yokoya, Toshio Seki, Jiro Matsuo, Tomoharu Tokunaga, Chihiro Itoh, Kenji Tsuruta, Ryo Fukaya, Shunsuke Nozawa, Shin-ichi Adachi, Jun Takeda, Ken Onda, Shin-ya Koshihara, Yasuhiko Hayashi, Yuta Nishina

ACS NANO   13 ( 9 )   10103 - 10112   2019.9

The local structure of the Ca0.9Pr0.1Fe2As2 superconductor as a function of temperature Reviewed

Paris E, Wakita T, Simonelli L, Marini C, Olszewski W, Terashima K, Stramaglia F, Pugliese G. M, Mizokawa T, Loka S, Kudo K, Nohara M, Yokoya T, Saini N. L

SUPERCONDUCTOR SCIENCE & TECHNOLOGY   32 ( 9 )   2019.9

Inhomogeneous charge distribution in a self-doped EuFBiS2 superconductor Reviewed

Sugimoto T, Paris E, Terashima K, Barinov A, Giampietri A, Wakita T, Yokoya T, Kajitani J, Higashinaka R, Matsuda T, Aoki Y, Mizokawa T, Saini N

PHYSICAL REVIEW B   100 ( 6 )   2019.8

Three-dimensional dopant imaging in semiconductor crystals using photoelectron holography with chemical state identification

Tomohiro Matsushita, Takayuki Muro, Kazuo Tsutsui, Takayoshi Yokoya

19th International Workshop on Junction Technology, IWJT 2019   2019.6

Recent Photoemission Studies on BiCh(2)-Based Compounds Invited Reviewed

Terashimas Kensei, Wakita Takanori, Yokoya Takayoshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   88 ( 4 )   2019.4

Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides Reviewed

Terashima K, Yano Y, Paris E, Goto Y, Mizuguchi Y, Kamihara Y, Wakita T, Muraoka Y, Saini N. L, Yokoya T

JOURNAL OF APPLIED PHYSICS   125 ( 14 )   2019.4

Fermi level tuning of Ag-doped Bi2Se3 topological insulator Reviewed

Uesugi Eri, Uchiyama Takaki, Goto Hidenori, Ota Hiromi, Ueno Teppei, Fujiwara Hirokazu, Terashima Kensei, Yokoya Takayoshi, Matsui Fumihiko, Akimitsu Jun, Kobayashi Kaya, Kubozono Yoshihiro

SCIENTIFIC REPORTS   9 ( 1 )   2019.3

Physics of heavily doped diamond: Electronic states and superconductivity

Takanori Wakita, Kensei Terashima, Takayoshi Yokoya

Physics and Chemistry of Carbon-Based Materials: Basics and Applications   65 - 96   2019.3

Origins of Thermal Spin Depolarization in Half-Metallic Ferromagnet CrO2 Reviewed

Fujiwara Hirokazu, Terashima Kensei, Sunagawa Masanori, Yano Yuko, Nagayama Takanobu, Fukura Tetsushi, Yoshii Fumiya, Matsuura Yuka, Ogata Makoto, Wakita Takanori, Yaji Koichiro, Harasawa Ayumi, Kuroda Kenta, Shin Shik, Horiba Koji, Kumigashira Hiroshi, Muraoka Yuji, Yokoya Takayoshi

PHYSICAL REVIEW LETTERS   121 ( 25 )   2018.12

Fermi surface topology in a metallic phase of VO2 thin films grown on TiO2(001) substrates Reviewed

Muraoka Yuji, Nagao Hiroki, Yao Yuichiro, Wakita Takanori, Terashima Kensei, Yokoya Takayoshi, Kumigashira Hiroshi, Oshima Masaharu

SCIENTIFIC REPORTS   8   2018.12

Multilayer formation via spinodal decomposition in TiO2-VO2 epitaxial films on sapphire substrates Reviewed

Matsuura Yuka, Yoshii Fumiya, Otsuka Tsubasa, Kadowaki Kenji, Ijiri Masataka, Takemoto Yoshito, Terashima Kensei, Wakita Takanori, Yokoya Takayoshi, Muraoka Yuji

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   38 ( 15 )   5043 - 5050   2018.12

Suppression of structural instability in LaOBiS2-xSex by Se substitution Reviewed

Paris E, Mizuguchi Y, Wakita T, Terashima K, Yokoya T, Mizokawa T, Saini N. L

JOURNAL OF PHYSICS-CONDENSED MATTER   30 ( 45 )   2018.11

Determination of the local structure of Sr2-xMxIrO4 (M = K, La) as a function of doping and temperature Reviewed

Terashima Kensei, Paris Eugenio, Salas-Colera Eduardo, Simonelli Laura, Joseph Boby, Wakita Takanori, Horigane Kazumasa, Fujii Masanori, Kobayashi Kaya, Horie Rie, Akimitsu Jun, Muraoka Yuji, Yokoya Takayoshi, Saini Naurang Lal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   20 ( 36 )   23783 - 23788   2018.9

Temperature-dependent local structure and superconductivity of BaPd2As2 and SrPd2As2 Reviewed

Terashima K, Paris E, Simonelli L, Salas-Colera E, Puri A, Wakita T, Yamada Y, Nakano S, Idei H, Kudo K, Nohara M, Muraoka Y, Mizokawa T, Yokoya T, Saini N. L

PHYSICAL REVIEW B   98 ( 9 )   2018.9

Change of bent band structure on ferroelectric BaTiO₃ by electric polarization reversal

Oshime Norihiro, Kano Jun, Ikenaga Eiji, Yasui Shintaro, Hinokuma Satoshi, Ikeda Naoshi, Hamasaki Yosuke, Yasuhara Sou, Yokoya Takayoshi, Itoh Mitsuru, Fujii Tatsuo, Yasui Akira, Osawa Hitoshi

JSAP Annual Meetings Extended Abstracts   2018.2   1334 - 1334   2018.9

Direct observation of bent band structure on ferroelectric BaTiO₃ II

Oshime Norihiro, Kano Jun, Ikenaga Eiji, Yasui Shintaro, Hinokuma Satoshi, Ikeda Naoshi, Hamasaki Yosuke, Yasuhara Sou, Yokoya Takayoshi, Itoh Mitsuru, Fujii Tatsuo, Yasui Akira

JSAP Annual Meetings Extended Abstracts   2018.1   1434 - 1434   2018.3

Metallic phase in stoichiometric CeOBiS2 revealed by space-resolved ARPES

T. Sugimoto, E. Paris, T. Wakita, K. Terashima, T. Yokoya, A. Barinov, J. Kajitani, R. Higashinaka, T. D. Matsuda, Y. Aoki, T. Mizokawa, N. L. Saini

Scientific Reports   8 ( 1 )   2018.1

Direct observation of double valence-band extrema and anisotropic effective masses of the thermoelectric material SnSe Reviewed

Takanobu Nagayama, Kensei Terashima, Takanori Wakita, Hirokazu Fujiwara, Tetsushi Fukura, Yuko Yano, Kanta Ono, Hiroshi Kumigashira, Osamu Ogiso, Aichi Yamashita, Yoshihiko Takano, Hitoshi Mori, Hidetomo Usui, Masayuki Ochi, Kazuhiko Kuroki, Yuji Muraoka, Takayoshi Yokoya

JAPANESE JOURNAL OF APPLIED PHYSICS   57 ( 1 )   2018.1

Effect of molecular intercalation on the local structure of superconducting Na-x(NH3)(y)MoSe2 system Reviewed

L. Simonelli, E. Paris, T. Wakita, C. Marini, K. Terashima, X. Miao, W. Olszewski, N. Ramanan, D. Heinis, Y. Kubozono, T. Yokoya, N. L. Saini

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   111   70 - 74   2017.12

Distinct local structure of superconducting Ca10M4As8(Fe2As)(5) (M = Pt, Ir) Reviewed

E. Paris, T. Wakita, O. Proux, T. Yokoya, K. Kudo, D. Mitsuoka, T. Kimura, K. Fujimura, N. Nishimoto, S. Ioka, M. Nohara, T. Mizokawa, N. L. Saini

PHYSICAL REVIEW B   96 ( 22 )   2017.12

The electronic structure of Ag1-xSn1+xSe2 (x=0.0, 0.1, 0.2, 0.25 and 1.0) Reviewed

Takanori Wakita, Eugenio Paris, Kaya Kobayashi, Kensei Terashima, Muammer Yasin Hacisalihoglu, Teppei Ueno, Federica Bondino, Elena Magnano, Igor Pis, Luca Olivi, Jun Akimitsu, Yuji Muraoka, Takayoshi Yokoya, Naurang L. Saini

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   19 ( 39 )   26672 - 26678   2017.10

Observation of intrinsic half-metallic behavior of CrO2 (100) epitaxial films by bulk-sensitive spin-resolved PES Reviewed

Hirokazu Fujiwara, Masanori Sunagawa, Kensei Terashima, Tomoko Kittaka, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   220   46 - 49   2017.10

Inhomogeneous electronic states associated with charge-orbital order/disorder in BaV10O15 probed by photoemission spectromicroscopy Reviewed

T. Yoshino, K. Wakita, E. Paris, A. Barinov, T. Kajita, T. Katsufuji, V. Kandyba, T. Sugimoto, T. Yokoya, N. L. Saini, T. Mizokawa

PHYSICAL REVIEW B   96 ( 11 )   2017.9

Direct observation of bent band structure on ferroelectric BaTiO₃

Oshime Norihiro, Kano Jun, Ikenaga Eiji, Yasui Shintaro, Hinokuma Satoshi, Ikeda Naoshi, Hamasaki Yosuke, Yasuhara Sou, Yokoya Takayoshi, Itoh Mitsuru, Fujii Tatsuo, Yasui Akira

JSAP Annual Meetings Extended Abstracts   2017.2   1242 - 1242   2017.8

Effect of aliovalent dopants on the kinetics of spinodal decomposition in rutile-type TiO2-VO2 Reviewed

Makoto Ogata, Kenji Kadowaki, Masataka Ijiri, Yoshito Takemoto, Kensei Terashima, Takanori Wakita, Takayoshi Yokoya, Yuji Muraoka

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   37 ( 9 )   3177 - 3183   2017.8

Evolution of the remnant Fermi-surface state in the lightly doped correlated spin-orbit insulator Sr2-xLaxIrO4 Reviewed

K. Terashima, M. Sunagawa, H. Fujiwara, T. Fukura, M. Fujii, K. Okada, K. Horigane, K. Kobayashi, R. Horie, J. Akimitsu, E. Golias, D. Marchenko, A. Varykhalov, N. L. Saini, T. Wakita, Y. Muraoka, T. Yokoya

PHYSICAL REVIEW B   96 ( 4 )   2017.7

Unusual upper critical field behavior in Nb-doped bismuth selenides Reviewed

Kaya Kobayashi, T. Ueno, H. Fujiwara, T. Yokoya, J. Akimitsu

Physical Review B   95 ( 18 )   2017.5

Electronic structure of K-doped picene film on HOPG Reviewed

T. Wakita, H. Okazaki, T. Jabuchi, H. Hamada, Y. Muraoka, T. Yokoya

JOURNAL OF PHYSICS-CONDENSED MATTER   29 ( 6 )   2017.2

Evolution of Eu valence and superconductivity in layered Eu0.5La0.5FBiS2-xSex system Reviewed

Y. Mizuguchi, E. Paris, T. Wakita, G. Jinno, A. Puri, K. Terashima, B. Joseph, O. Miura, T. Yokoya, N. L. Saini

PHYSICAL REVIEW B   95 ( 6 )   2017.2

Electronic structure of self-doped layered Eu3 F4Bi2 S4 material revealed by x-ray absorption spectroscopy and photoelectron spectromicroscopy

E. Paris, T. Sugimoto, T. Sugimoto, T. Sugimoto, T. Wakita, A. Barinov, K. Terashima, V. Kandyba, O. Proux, J. Kajitani, R. Higashinaka, T. D. Matsuda, Y. Aoki, T. Yokoya, T. Mizokawa, N. L. Saini

Physical Review B - Condensed Matter and Materials Physics   95   2017.1

Electronic structure of self-doped layered Eu3F4Bi2S4 material revealed by x-ray absorption spectroscopy and photoelectron spectromicroscopy Reviewed

E. Paris, T. Sugimoto, T. Wakita, A. Barinov, K. Terashima, V. Kandyba, O. Proux, J. Kajitani, R. Higashinaka, T. D. Matsuda, Y. Aoki, T. Yokoya, T. Mizokawa, N. L. Saini

PHYSICAL REVIEW B   95 ( 3 )   2017.1

Ce 4f electronic states of CeO1-xFxBiS2 studied by soft x-ray photoemission spectroscopy Reviewed

Wakita, Takanori, Terashima, Kensei, Hamada, Takahiro, Fujiwara, Hirokazu, Minohara, Makoto, Kobayashi, Masaki, Horiba, Koji, Kumigashira, Hiroshi, Kutluk, Galif, Nagao, Masanori, Watauchi, Satoshi, Tanaka, Isao, Demura, Satoshi, Okazaki, Hiroyuki, Takano, Yoshihiko, Mizuguchi, Yoshikazu, Miura, Osuke, Okada, Kozo, Muraoka, Yuji, Yokoya, Takayoshi

Physical Review B   95 ( 8 )   2017

Determination of the local structure of CsBi4-xPbxTe6 (x=0, 0.5) by X-ray absorption spectroscopy Reviewed

Takanori Wakita, Eugenio Paris, Takashi Mizokawa, Muammer Yasin Hacisalihoglu, Kensei Terashima, Hiroyuki Okazaki, Olivier Proux, Isabelle Kieffer, Eric Lahera, William Del Net, Luca Olivi, Yoshihiko Takano, Yuji Muraoka, Takayoshi Yokoya, Naurang L. Saini

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   18 ( 36 )   25136 - 25142   2016.9

Emergence of superconductivity in (NH3)(y)MxMoSe2 (M: Li, Na and K) Reviewed

Xiao Miao, Saki Nishiyama, Lu Zheng, Hidenori Goto, Ritsuko Eguchi, Hiromi Ota, Takashi Kambe, Kensei Terashima, Takayoshi Yokoya, Huyen T. L. Nguyen, Tomoko Kagayama, Naohisa Hirao, Yasuo Ohishi, Hirofumi Ishii, Yen-Fa Liao, Yoshihiro Kubozono

SCIENTIFIC REPORTS   6   2016.7

Observation of a Hidden Hole-Like Band Approaching the Fermi Level in K-Doped Iron Selenide Superconductor Reviewed

Masanori Sunagawa, Kensei Terashima, Takahiro Hamada, Hirokazu Fujiwara, Tetsushi Fukura, Aya Takeda, Masashi Tanaka, Hiroyuki Takeya, Yoshihiko Takano, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Katsuhiro Suzuki, Hidetomo Usui, Kazuhiko Kuroki, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   85 ( 7 )   2016.7

Temperature dependent local atomic displacements in ammonia intercalated iron selenide superconductor Reviewed

E. Paris, L. Simonelli, T. Wakita, C. Marini, J. -H. Lee, W. Olszewski, K. Terashima, T. Kakuto, N. Nishimoto, T. Kimura, K. Kudo, T. Kambe, M. Nohara, T. Yokoya, N. L. Saini

SCIENTIFIC REPORTS   6   2016.6

Local electronic state in the half-metallic ferromagnet CrO2 investigated by site-selective Cr-53 NMR measurements Reviewed

Hikaru Takeda, Yasuhiro Shimizu, Yoshiaki Kobayashi, Masayuki Itoh, Takaaki Jin-no, Masahiko Isobe, Yutaka Ueda, Sho Yoshida, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   93 ( 23 )   2016.6

Preparation of TaO2 thin films using NbO2 template layers by a pulsed laser deposition technique Reviewed

Y. Muraoka, Y. Fujimoto, M. Kameoka, Y. Matsuura, M. Sunagawa, K. Terashima, T. Wakita, T. Yokoya

THIN SOLID FILMS   599   125 - 132   2016.1

Bulk sensitive angle-resolved photoelectron spectroscopy on Nd(O,F)BiS2 Reviewed

K. Terashima, J. Sonoyama, M. Sunagawa, H. Fujiwara, T. Nagayama, T. Muro, M. Nagao, S. Watauchi, I. Tanaka, H. Okazaki, Y. Takano, Y. Mizuguchi, H. Usui, K. Suzuki, K. Kuroki, T. Wakita, Y. Muraoka, T. Yokoya

TMU INTERNATIONAL SYMPOSIUM ON NEW QUANTUM PHASES EMERGING FROM NOVEL CRYSTAL STRUCTURE   683   2016

Comparative ARPES studies of LaOxF1-xBiS2 (x=0.23 and 0.46) Reviewed

K. Terashima, T. Wakita, M. Sunagawa, H. Fujiwara, T. Nagayama, K. Ono, H. Kumigashira, M. Nagao, S. Watauchi, I. Tanaka, H. Okazaki, Y. Takano, Y. Mizuguchi, H. Usui, K. Kuroki, Y. Muraoka, T. Yokoya

TMU INTERNATIONAL SYMPOSIUM ON NEW QUANTUM PHASES EMERGING FROM NOVEL CRYSTAL STRUCTURE   683   2016

19aBP-1 ARPES study on thermoelectric material SnSe

Nagayama T., Terashima K., Tanaka M., Ogiso O., Takano Y., Mori H., Usui H., Kuroki K., Wakita T., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   71   1441 - 1441   2016

19pAJ-1 Surface metallicity of the half-metal CrO_2(001) films

Fujiwara H., Sunagawa M., Terashima K., Kittaka T., Ogata M., Ideta S., Tanaka K., Wakita T., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   71   2492 - 2492   2016

21pBN-6 Angle-resolved photoemission study on Sr_<2-x>La_xIrO_4

Terashima K., Hamada T., Sunagawa M., Fujiwara H., Fujii M., Horigane K., Kobayashi K., Horie R., Akimitsu J., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   71   2315 - 2315   2016

Superconductivity in aromatic hydrocarbons Reviewed

Yoshihiro Kubozono, Hidenori Goto, Taihei Jabuchi, Takayoshi Yokoya, Takashi Kambe, Yusuke Sakai, Masanari Izumi, Lu Zheng, Shino Hamao, Huyen L. T. Nguyen, Masafumi Sakata, Tomoko Kagayama, Katsuya Shimizu

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   514   199 - 205   2015.7

Intrinsic spin polarized electronic structure of CrO2 epitaxial film revealed by bulk-sensitive spin-resolved photoemission spectroscopy Reviewed

Hirokazu Fujiwara, Masanori Sunagawa, Kensei Terashima, Tomoko Kittaka, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

APPLIED PHYSICS LETTERS   106 ( 20 )   2015.5

Comparative ARPES Study on Iron-Platinum-Arsenide Superconductor Ca-10(Pt4As8)(Fe2-xPtxAs2)(5) (x=0.25 and 0.42) Reviewed

Masanori Sunagawa, Rikiya Yoshida, Toshihiko Ishiga, Koji Tsubota, Taihei Jabuchi, Junki Sonoyama, Satomi Kakiya, Daisuke Mitsuoka, Kazutaka Kudo, Minoru Nohara, Kanta Ono, Hiroshi Kumigashira, Tamio Oguchi, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   84 ( 5 )   2015.5

Signature of high T-c above 25 K in high quality superconducting diamond Reviewed

Hiroyuki Okazaki, Takanori Wakita, Takayuki Muro, Tetsuya Nakamura, Yuji Muraoka, Takayoshi Yokoya, Shin-ichiro Kurihara, Hiroshi Kawarada, Tamio Oguchi, Yoshihiko Takano

APPLIED PHYSICS LETTERS   106 ( 5 )   2015.2

Signature of high $T_c$ around 25K in higher quality heavily boron-doped diamond Reviewed

H. Okazaki, T. Wakita, T. Muro, T. Nakamura, Y. Muraoka, T. Yokoya, S. Kurihara, H. Kawarada, T. Oguchi, Y. Takano

Appl. Phys. Lett.   2015.2

16aDB-6 Angle-resolved photoemission spectroscopy on KxFe_<2-y>Se_2 II

Sunagawa M., Terashima K., Hamada K., Fujiwara H., Fukura T., Takeda A., Tanaka M., Takeya H., Takano Y., Arita M., Shimada K., Namatame H., Taniguchi M., Suzuki K., Usui H., Kuroki K., Wakita T., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   70   1681 - 1681   2015

18pCH-1 Intrinsic electronic states of ferromagnetic metal CrO2 revealed by bulk-sensitive spin-resolved photoemission spectroscopy

Fujiwara H., Sunagawa M., Terashima K., Kittaka T., Ogata M., Wakita T., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   70   942 - 942   2015

16pDA-7 Relationship between Fermi surface topology and chemical pressure effect on Ln(O,F)BiS_2 studied by ARPES

Terashima K., Wakita T., Sunagawa M., Fujiwara H., Hamada T., Nagao M., Watauchi S., Tanaka I., Ono K., Kumigashira H., Okazaki H., Takano Y., Usui H., Kuroki K., Suzuki K., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   70   1720 - 1720   2015

16aAD-4 Fe 3p-3d resonant photoemission study of mixed-valence compound YbFe_2O_4

Fukura T., Wakita T., Takeda A., Terashima K., Fujiwara K., Ikeda N., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   70   2405 - 2405   2015

17pCD-9 High-resolution photoelectron study on Ce(Os_<1-y>Re_y)_2Al_<10>

Nagayama T., Terashima K., Kawabata J., Yamada Y., Takabatake T., Wakita T., Muraoka Y., Yokoya T.

Meeting Abstracts of the Physical Society of Japan   70   1933 - 1933   2015

18aCE-9 高濃度ボロンドープダイヤモンド超伝導のB1s-2p共鳴光電子分光

竹田 彩, 脇田 高徳, 福良 哲司, 高野 義彦, 栗原 慎一郎, 川原田 洋, 小口 多美夫, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   1237 - 1237   2015

Proximity to Fermi-surface topological change in superconducting LaO0.54F0.46BiS2 Reviewed

Terashima Kensei, Sonoyama Junki, Wakita Takanori, Sunagawa Masanori, Ono Kanta, Kumigashira Hiroshi, Muro Takayuki, Nagao Masanori, Watauchi Satoshi, Tanaka Isao, Okazaki Hiroyuki, Takano Yoshihiko, Miura Osuke, Mizuguchi Yoshikazu, Usui Hidetomo, Suzuki Katsuhiro, Kuroki Kazuhiko, Muraoka Yuji, Yokoya Takayoshi

PHYSICAL REVIEW B   90 ( 22 )   2014.12

Proximity to Fermi-surface topological change in superconducting LaO0.54F0.46BiS2 Reviewed

Kensei Terashima, Junki Sonoyama, Takanori Wakita, Masanori Sunagawa, Kanta Ono, Hiroshi Kumigashira, Takayuki Muro, Masanori Nagao, Satoshi Watauchi, Isao Tanaka, Hiroyuki Okazaki, Yoshihiko Takano, Osuke Miura, Yoshikazu Mizuguchi, Hidetomo Usui, Katsuhiro Suzuki, Kazuhiko Kuroki, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   90 ( 22 )   2014.12

Pressure-dependent magnetization and magnetoresistivity studies on tetragonal FeS (mackinawite): revealing its intrinsic metallic character Reviewed

S. J. Denholme, H. Okazaki, S. Demura, K. Deguchi, M. Fujioka, T. Yamaguchi, H. Takeya, M. ElMassalami, H. Fujiwara, T. Wakita, T. Yokoya, Y. Takano

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   15 ( 5 )   2014.10

Electronic Structures of CeM2Al10 (M = Fe, Ru, and Os) Studied by Soft X-ray Resonant and High-Resolution Photoemission Spectroscopies Reviewed

Toshihiko Ishiga, Takanori Wakita, Rikiya Yoshida, Hiroyuki Okazaki, Koji Tsubota, Masanori Sunagawa, Kanta Uenaka, Kozo Okada, Hiroshi Kumigashira, Masaharu Oshima, Keisuke Yutani, Yuji Muro, Toshiro Takabatake, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   83 ( 9 )   2014.9

Persistent insulator-to-metal transition of a VO2 thin film induced by soft X-ray irradiation Reviewed

Yuji Muraoka, Hiroki Nagao, Shinsuke Katayama, Takanori Wakita, Masaaki Hirai, Takayoshi Yokoya, Hiroshi Kumigashira, Masaharu Oshima

JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 5 )   2014.5

Characteristic two-dimensional Fermi surface topology of high-T-c iron-based superconductors Reviewed

Masanori Sunagawa, Toshihiko Ishiga, Koji Tsubota, Taihei Jabuchi, Junki Sonoyama, Keita Iba, Kazutaka Kudo, Minoru Nohara, Kanta Ono, Hiroshi Kumigashira, Tomohiro Matsushita, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

SCIENTIFIC REPORTS   4   2014.3

Soft X-ray Photoemission Study of New BiS2-Layered Superconductor LaO1-xFxBiS2 Reviewed

Shinsuke Nagira, Junki Sonoyama, Takanori Wakita, Masanori Sunagawa, Yudai Izumi, Takayuki Muro, Hiroshi Kumigashira, Masaharu Oshima, Keita Deguchi, Hiroyuki Okazaki, Yoshihiko Takano, Osuke Miura, Yoshikazu Mizuguchi, Katsuhiro Suzuki, Hidetomo Usui, Kazuhiko Kuroki, Kozo Okada, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   83 ( 3 )   2014.3

Evidence for metallic states in potassium-intercalated picene film on graphite Reviewed

Okazaki Hiroyuki, Jabuchi Taihei, Wakita Takanori, Kato Takashi, Muraoka Yuji, Yokoya Takayoshi

PHYSICAL REVIEW B   88 ( 24 )   2013.12

Evidence for metallic states in potassium-intercalated picene film on graphite Reviewed

Hiroyuki Okazaki, Taihei Jabuchi, Takanori Wakita, Takashi Kato, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   88 ( 24 )   2013.12

Collapsed Tetragonal Phase Transition of Ca(Fe1-xRhx)(2)As-2 Studied by Photoemission Spectroscopy Reviewed

Koji Tsubota, Takanori Wakita, Hiroki Nagao, Chiaki Hiramatsu, Toshihiko Ishiga, Masanori Sunagawa, Kanta Ono, Hiroshi Kumigashira, Masataka Danura, Kazutaka Kudo, Minoru Nohara, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   82 ( 7 )   2013.7

Magnetoelectric Effect Driven by Magnetic Domain Modification in LuFe2O4 Reviewed

Takashi Kambe, Yukimasa Fukada, Jun Kano, Tomoko Nagata, Hiroyuki Okazaki, Takayoshi Yokoya, Shuichi Wakimoto, Kazuhisa Kakurai, Naoshi Ikeda

PHYSICAL REVIEW LETTERS   110 ( 11 )   2013.3

Translational Symmetry Breaking and Gapping of Heavy-Quasiparticle Pocket in URu 2 Si 2 Reviewed

Rikiya Yoshida, Koji Tsubota, Toshihiko Ishiga, Masanori Sunagawa, Jyunki Sonoyama, Dai Aoki, Jacques Flouquet, Takanori Wakita, Yuji Muraoka, Takayoshi Yokoya

Scientific Reports   3   2013

Te concentration dependent photoemission and inverse-photoemission study of FeSe1-xTex Reviewed

Takayoshi Yokoya, Rikiya Yoshida, Yuki Utsumi, Koji Tsubota, Hiroyuki Okazaki, Takanori Wakita, Yoshikazu Mizuguchi, Yoshihiko Takano, Takayuki Muro, Yukako Kato, Hiroshi Kumigashira, Masaharu Oshima, Hisatomo Harima, Yoshihiro Aiura, Hitoshi Sato, Akihiro Ino, Hirofumi Namatame, Masaki Taniguchi, Masaaki Hirai, Yuji Muraoka

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   13 ( 5 )   2012.10

Comparative photoemission studies on the superconducting gap of the filled skutterudite superconductors LaPt4Ge12 and PrPt4Ge12 Reviewed

Yoshiaki Nakamura, Hiroyuki Okazaki, Rikiya Yoshida, Takanori Wakita, Hiroyuki Takeya, Kazuto Hirata, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   86 ( 1 )   2012.7

Observation of two fine structures related to the hidden order in the spectral functions of URu2Si2 Reviewed

Rikiya Yoshida, Masaki Fukui, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Mario Okawa, Walid Malaeb, Shik Shin, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   85 ( 24 )   2012.6

Observation of two fine structures related to the hidden order in the spectral functions of URu2Si2 Reviewed

Rikiya Yoshida, Masaki Fukui, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Mario Okawa, Walid Malaeb, Shik Shin, Yuji Muraoka, Takayoshi Yokoya

Physical Review B   85 ( 24 )   241102   2012.6

Effectiveness of a hot-filament chemical vapor deposition method for preparation of a boron-doped superconducting diamond film with higher superconducting transition temperature Reviewed

T. Doi, T. Fukaishi, C. Hiramatsu, T. Wakita, M. Hirai, Y. Muraoka, T. Yokoya, Y. Kato, Y. Izumi, T. Muro, Y. Tamenori

DIAMOND AND RELATED MATERIALS   25   5 - 7   2012.5

Development of a soft X-ray angle-resolved photoemission system applicable to 100 mu m crystals Reviewed

Takayuki Muro, Yukako Kato, Tomohiro Matsushita, Toyohiko Kinoshita, Yoshio Watanabe, Hiroyuki Okazaki, Takayoshi Yokoya, Akira Sekiyama, Shigemasa Suga

JOURNAL OF SYNCHROTRON RADIATION   18   879 - 884   2011.11

Photoemission Study of Rh17S15 Superconductor Reviewed

Masaki Fukui, Rikiya Yoshida, Yoshiaki Nakamura, Yukako Kato, Takayuki Muro, Rikio Settai, Yoshichika Onuki, Hisatomo Harima, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   80   2011.7

Ultrahigh-resolution laser photoemission study of URu2Si2 across the hidden-order transition Reviewed

Rikiya Yoshida, Yoshiaki Nakamura, Masaki Fukui, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Mario Okawa, Shik Shin, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   72 ( 5 )   580 - 581   2011.5

Photoemission study of electronic structure evolution across the metal-insulator transition of heavily B-doped diamond Reviewed

H. Okazaki, T. Arakane, K. Sugawara, T. Sato, T. Takahashi, T. Wakita, M. Hirai, Y. Muraoka, Y. Takano, S. Ishii, S. Iriyama, H. Kawarada, T. Yokoya

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   72 ( 5 )   582 - 584   2011.5

Spectroscopic evidence of the formation of (V,Ti)O-2 solid solution in VO2 thinner films grown on TiO2(001) substrates Reviewed

Y. Muraoka, K. Saeki, R. Eguchi, T. Wakita, M. Hirai, T. Yokoya, S. Shin

JOURNAL OF APPLIED PHYSICS   109 ( 4 )   2011.2

Multiple phosphorus chemical sites in heavily phosphorus-doped diamond Reviewed

Hiroyuki Okazaki, Rikiya Yoshida, Takayuki Muro, Tetsuya Nakamura, Takanori Wakita, Yuji Muraoka, Masaaki Hirai, Hiromitsu Kato, Satoshi Yamasaki, Yoshihiko Takano, Satoshi Ishii, Tamio Oguchi, Takayoshi Yokoya

APPLIED PHYSICS LETTERS   98 ( 8 )   2011.2

Electronic structure of U(Ru1-xRhx)(2)Si-2 studied by laser angle-resolved photoemission spectroscopy Reviewed

R. Yoshida, Y. Nakamura, M. Fukui, Y. Haga, E. Yamamoto, Y. Onuki, M. Okawa, S. Shin, M. Hirai, Y. Muraoka, T. Yokoya

INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES 2010)   273   2011

Synthesis and physical properties of the hollandite-type titanium oxide KxTi8O16 Reviewed

Yuji Muraoka, Kengo Noami, Takanori Wakita, Masaaki Hirai, Takayoshi Yokoya, Yukako Kayo, Takayuki Muro, Yusuke Tamenori

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 2   8 ( 2 )   2011

Photoemission study of Ca-intercalated graphite superconductor CaC6 Reviewed

Hiroyuki Okazaki, Rikiya Yoshida, Keisuke Iwai, Kengo Noami, Takayuki Muro, Tetsuya Nakamura, Takanori Wakita, Yuji Muraoka, Masaaki Hirai, Fumiaki Tomioka, Yoshihiko Takano, Asami Takenaka, Masahiro Toyoda, Tamio Oguch, Takayoshi Yokoya

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   470   S637 - S638   2010.12

Angle-resolved photoemission study of Si electronic structure: Boron concentration dependence Reviewed

Takanori Wakita, Hiroyuki Okazaki, Yoshihiko Takano, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   470   S641 - S643   2010.12

Analysis on photoemission spectrum of superconducting FeSe Reviewed

Rikiya Yoshida, Takanori Wakita, Hiroyuki Okazaki, Yoshikazu Mizuguchi, Shunsuke Tsuda, Yoshihiko Takano, Hiroyuki Takeya, Kazuto Hirata, Yukako Kato, Takayuki Muro, Mario Okawa, Kyoko Ishizaka, Shik Shin, Hisatomo Harima, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   470   S389 - S390   2010.12

Electronic Structure of the Novel Filled Skutterudite PrPt4Ge12 Superconductor Reviewed

Yoshiaki Nakamura, Hiroyuki Okazaki, Rikiya Yoshida, Takanori Wakita, Masaaki Hirai, Yuji Muraka, Hiroyuki Takeya, Kazuto Hirata, Hiroshi Kumigashira, Masaharu Oshima, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   79 ( 12 )   2010.12

Signature of hidden order and evidence for periodicity modification in URu2Si2 Reviewed

Rikiya Yoshida, Yoshiaki Nakamura, Masaki Fukui, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Mario Okawa, Shik Shin, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

PHYSICAL REVIEW B   82 ( 20 )   2010.11

Electronic structure of pristine and K-doped solid picene: Nonrigid band change and its implication for electron-intramolecular-vibration interaction Reviewed

H. Okazaki, T. Wakita, T. Muro, Y. Kaji, X. Lee, H. Mitamura, N. Kawasaki, Y. Kubozono, Y. Yamanari, T. Kambe, T. Kato, M. Hirai, Y. Muraoka, T. Yokoya

PHYSICAL REVIEW B   82 ( 19 )   2010.11

Angle-resolved photoemission spectroscopy for VO2 thin films grown on TiO2 (001) substrates Reviewed

Y. Muraoka, K. Saeki, Y. Yao, T. Wakita, M. Hirai, T. Yokoya, R. Eguchi, S. Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   181 ( 2-3 )   249 - 251   2010.8

Bulk and surface physical properties of a CrO(2) thin film prepared from a Cr(8)O(21) precursor Reviewed

K. Iwai, Y. Muraoka, T. Wakita, M. Hirai, T. Yokoya, Y. Kato, T. Muro, Y. Tamenori

JOURNAL OF APPLIED PHYSICS   108 ( 4 )   2010.8

Lateral Inhomogeneity in the Electronic Structure of a Conjugated Poly(3-hexylthiophene) Thin Film Reviewed

Kaname Kanai, Takahiro Miyazaki, Takanori Wakita, Kouki Akaike, Takayoshi Yokoya, Yukio Ouchi, Kazuhiko Seki

ADVANCED FUNCTIONAL MATERIALS   20 ( 13 )   2046 - 2052   2010.7

Angle-resolved photoemission observation of the superconducting-gap minimum and its relation to the nesting vector in the phonon-mediated superconductor YNi2B2C Reviewed

T. Baba, T. Yokoya, S. Tsuda, T. Watanabe, M. Nohara, H. Takagi, T. Oguchi, S. Shin

PHYSICAL REVIEW B   81 ( 18 )   2010.5

Room temperature ferromagnetic behavior in the hollandite-type titanium oxide Reviewed

K. Noami, Y. Muraoka, T. Wakita, M. Hirai, Y. Kato, T. Muro, Y. Tamenori, T. Yokoya

JOURNAL OF APPLIED PHYSICS   107 ( 7 )   2010.4

Kondo scaling of the pseudogap in CeOs4Sb12 and CeFe4P12 Reviewed

P. A. Rayjada, A. Chainani, M. Matsunami, M. Taguchi, S. Tsuda, T. Yokoya, S. Shin, H. Sugawara, H. Sato

JOURNAL OF PHYSICS-CONDENSED MATTER   22 ( 9 )   2010.3

Low voltage operation in picene thin film field-effect transistor and its physical characteristics Reviewed

Yumiko Kaji, Naoko Kawasaki, Xuesong Lee, Hideki Okamoto, Yasuyuki Sugawara, Shohei Oikawa, Akio Ito, Hiroyuki Okazaki, Takayoshi Yokoya, Akihiko Fujiwara, Yoshihiro Kubozono

APPLIED PHYSICS LETTERS   95 ( 18 )   2009.11

Study of electronic states for V thin films deposited on 6H-SiC substrates by soft X-ray emission spectroscopy Reviewed

M. Hirai, H. Okazaki, R. Yoshida, M. Tajima, K. Saeki, Y. Muraoka, T. Yokoya

APPLIED SURFACE SCIENCE   256 ( 4 )   948 - 949   2009.11

Band dispersion near the Fermi level for VO2 thin films grown on TiO2 (001) substrates Reviewed

K. Saeki, T. Wakita, Y. Muraoka, M. Hirai, T. Yokoya, R. Eguchi, S. Shin

PHYSICAL REVIEW B   80 ( 12 )   2009.9

The electronic structure of Ca-intercalated superconducting graphite CaC6 Reviewed

H. Okazaki, R. Yoshida, K. Iwai, K. Noami, T. Muro, T. Nakamura, T. Wakita, Y. Muraoka, M. Hirai, F. Tomioka, Y. Takano, A. Takenaka, M. Toyoda, T. Oguchi, T. Yokoya

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   469 ( 15-20 )   1041 - 1044   2009.8

Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B Reviewed

R. Yoshida, H. Okazaki, K. Iwai, K. Noami, T. Muro, M. Okawa, K. Ishizaka, S. Shin, Z. Li, J. L. Luo, G. -Q. Zheng, T. Oguchi, M. Hirai, Y. Muraoka, T. Yokoya

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   469 ( 15-20 )   1034 - 1036   2009.8

Effect of antiferromagnetic ordering on temperature dependent superconducting gap in ErNi2B2C: Laser-photoemission spectroscopy Reviewed

T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, K. Ishizaka, H. Takeya, K. Hirata, N. Nakai, K. Machida, T. Togashi, C. T. Chen, C. Q. Zhang, S. Watanabe, S. Shin

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   469 ( 15-20 )   928 - 931   2009.8

Spectroscopic evidence of the existence of substantial Ca 3d derived states at the Fermi level in the Ca-intercalated graphite superconductor CaC6 Reviewed

Okazaki H, Yoshida R, Iwai K, Noami K, Muro T, Nakamura T, Wakita T, Muraoka Y, Hirai M, Tomioka F, Takano Y, Takenaka A, Toyoda M, Oguchi T, Yokoya T

PHYSICAL REVIEW B   80 ( 3 )   2009.7

Spectroscopic evidence of the existence of substantial Ca 3d derived states at the Fermi level in the Ca-intercalated graphite superconductor CaC6 Reviewed

H. Okazaki, R. Yoshida, K. Iwai, K. Noami, T. Muro, T. Nakamura, T. Wakita, Y. Muraoka, M. Hirai, F. Tomioka, Y. Takano, A. Takenaka, M. Toyoda, T. Oguchi, T. Yokoya

PHYSICAL REVIEW B   80 ( 3 )   2009.7

In situ positioning of a few hundred micrometer-sized cleaved surfaces for soft-x-ray angle-resolved photoemission spectroscopy by use of an optical microscope Reviewed

Takayuki Muro, Yukako Kato, Tomohiro Matsushita, Toyohiko Kinoshita, Yoshio Watanabe, Akira Sekiyama, Hiroshi Sugiyama, Masato Kimura, Satoshi Komori, Shigemasa Suga, Hiroyuki Okazaki, Takayoshi Yokoya

REVIEW OF SCIENTIFIC INSTRUMENTS   80 ( 5 )   2009.5

Ishizaka et al. Reply Reviewed

K. Ishizaka, R. Eguchi, S. Tsuda, A. Chainani, T. Yokoya, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C. -T. Chen, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, S. Shin

PHYSICAL REVIEW LETTERS   102 ( 19 )   2009.5

Soft X-ray Core-Level Photoemission Study of Boron Sites in Heavily Boron-Doped Diamond Films Reviewed

Hiroyuki Okazaki, Rikiya Yoshida, Takayuki Muro, Takanori Wakita, Masaaki Hirai, Yuji Muraoka, Yoshihiko Takano, Shingo Iriyama, Hiroshi Kawarada, Tamio Oguchi, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 3 )   2009.3

Electronic Structure of Superconducting FeSe Studied by High-Resolution Photoemission Spectroscopy Reviewed

Rikiya Yoshida, Takanori Wakita, Hiroyuki Okazaki, Yoshikazu Mizuguchi, Shunsuke Tsuda, Yoshihiko Takano, Hiroyuki Takeya, Kazuto Hirata, Takayuki Muro, Mario Okawa, Kyoko Ishizaka, Shik Shin, Hisatomo Harima, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 3 )   2009.3

Superconducting Gap and Valence Band of Mg10Ir19B16 Studied by Laser and Synchrotron Photoemission Spectroscopy Reviewed

Rikiya Yoshida, Hiroyuki Okazaki, Keisuke Iwai, Kengo Noami, Takayuki Muro, Mario Okawa, Kyoko Ishizaka, Shik Shin, Zheng Li, Jianlin Luo, Guo-qing Zheng, Tamio Oguchi, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 3 )   2009.3

Strong-Coupling Superconductivity in Noncentrosymmetric Superconductor Li2Pd3B by Sub-meV Photoemission Spectroscopy Reviewed

Shunsuke Tsuda, Takayoshi Yokoya, Takayuki Kiss, Takahiro Shimojima, Kyoko Ishizaka, Shik Shin, Tadashi Togashi, Shuntaro Watanabe, Chengqian Zhang, Chuangtian Chen, Izumi Hase, Hiroyuki Takeya, Kazuto Hirata, Kazumasa Togano

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   78 ( 3 )   2009.3

Ultraviolet laser photoemission spectroscopy of FeSi: Observation of a opening in density of states Reviewed

K. Ishizaka, T. Kiss, T. Shimojima, T. Yokoya, T. Togashi, S. Watanabe, C. Q. Zhang, C. T. Chen, Y. Onose, Y. Tokura, S. Shin

Physical Review B   72   233202   2008.12

Near E-F electronic structure of heavily boron-doped superconducting diamond Reviewed

H. Okazaki, T. Yokoya, J. Nakamura, N. Yamada, T. Nakamura, T. Muro, Y. Tamenori, T. Matsushita, Y. Takata, T. Tokushima, S. Shin, Y. Takano, M. Nagao, T. Takenouchi, H. Kawarada, T. Oguchi

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   69 ( 12 )   2978 - 2981   2008.12

Electronic Structure of Noncentrosymmetric Superconductor Li-2(PdxPt1-x)(3)B Studied by Photoemission Spectroscopy Reviewed

Rikiya Yoshida, Hiroyuki Okazaki, Mitsutoshi Tajima, Takayuki Muro, Izumi Hase, Kozo Okada, Hiroyuki Takeya, Kazuto Hirata, Masaaki Hirai, Yuji Muraoka, Takayoshi Yokoya

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   77 ( 10 )   2008.10

Temperature-dependent localized excitations of doped carriers in superconducting diamond Reviewed

K. Ishizaka, R. Eguchi, S. Tsuda, A. Chainani, T. Yokoya, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C. -T. Chen, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, S. Shin

PHYSICAL REVIEW LETTERS   100 ( 16 )   2008.4

Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi(2)B(2)C Reviewed

T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, K. Ishizaka, H. Takeya, K. Hirata, T. Watanabe, M. Nohara, H. Takagi, N. Nakai, K. Machida, T. Togashi, S. Watanabe, X. -Y. Wang, C. T. Chen, S. Shin

PHYSICAL REVIEW LETTERS   100 ( 1 )   2008.1

Erratum: Bulk screening in core-level photoemission from Mott-Hubbard and charge-transfer systems (Physical Review B - Condensed Matter and Materials Physics (2005) 71, (155102)) Reviewed

M. Taguchi, A. Chainani, N. Kamakura, K. Horiba, Y. Takata, M. Yabashi, K. Tamasaku, Y. Nishino, D. Miwa, T. Ishikawa, S. Shin, E. Ikenaga, T. Yokoya, K. Kobayashi, T. Mochiku, K. Hirata, K. Motoya

Physical Review B - Condensed Matter and Materials Physics   76 ( 16 )   2007.10

Thickness dependence of magnetic domain formation in La0.6Sr0.4MnO3 epitaxial thin films studied by XMCD-PEEM Reviewed

Toshiyuki Taniuchi, Ryutaro Yasuhara, Hiroshi Kumigashira, Masato Kubota, Hiroyuki Okazaki, Takanori Wakita, Takanori Yokoya, Kanta Ono, Masaharu Oshima, Mikk Lippmaa, Masashi Kawasaki, Hideomi Koinuma

SURFACE SCIENCE   601 ( 20 )   4690 - 4693   2007.10

Study of electronic structures for Fe thin films deposited on Si- and C-faces of 4H-SiC substrates by soft X-ray emission spectroscopy Reviewed

M. Hirai, T. Wakita, H. Okazaki, D. Koishihara, Y. Muraoka, T. Yokoya

APPLIED SURFACE SCIENCE   254 ( 1 )   26 - 28   2007.10

Charge-order-maximized momentum-dependent superconductivity Reviewed

T. Kiss, T. Yokoya, A. Chainani, S. Shin, T. Hanaguri, M. Nohara, H. Takagi

NATURE PHYSICS   3 ( 10 )   720 - 725   2007.10

Magnetic domain structure of a technically patterned ferromagnetic La0.6Sr0.4MnO3 thin film Reviewed

M. Kubota, T. Taniuchi, R. Yasuhara, H. Kumigashira, M. Oshima, K. Ono, H. Okazaki, T. Wakita, T. Yokoya, H. Akinaga, M. Lippmaa, M. Kawasaki, H. Koinuma

APPLIED PHYSICS LETTERS   91 ( 18 )   2007.10

Bulk screening in core-level photoemission from Mott-Hubbard and charge-transfer systems (vol 71, art no 155102, 2005) Reviewed

M. Taguchi, A. Chainani, N. Kamakura, K. Horiba, Y. Takata, M. Yabashi, K. Tamasaku, Y. Nishino, D. Miwa, T. Ishikawa, S. Shin, E. Ikenaga, T. Yokoya, K. Kobayashi, T. Mochiku, K. Hirata, K. Motoya

PHYSICAL REVIEW B   76 ( 16 )   2007.10

Sub-meV resolution photoemission study on carbon substituted MgB2 Reviewed

S. Tsuda, T. Yokoya, T. Kiss, T. Shimojima, S. Shin, T. Togashi, S. Watanabe, C. Q. Zhang, C. T. Chen, S. Lee, H. Uchiyama, S. Tajima, N. Nakai, K. Machida

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   460   80 - 83   2007.9

Laser-photoemission study of antiferromagnetic superconductor ErNi2B2C Reviewed

Teruhisa Baba, Takayoshi Yokoya, Shunsuke Tsuda, Takayuki Kiss, Takahiro Shimojima, Kyoko Ishizaka, Shik Shin, Hiroyuki Takeya, Kazuto Hirata, Tadashi Togashi, C. Zhang, C. T. Chen, Shuntaro Watanabe

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   460   634 - 635   2007.9

Interplay of superconductivity and rattling phenomena in beta-pyrochlore KOs2O6 studied by photoemission spectroscopy Reviewed

T. Shimojima, Y. Shibata, K. Ishizaka, T. Kiss, A. Chainani, T. Yokoya, T. Togashi, X.-Y. Wang, C. T. Chen, S. Watanabe, J. Yamaura, S. Yonezawa, Y. Muraoka, Z. Hiroi, T. Saitoh, S. Shin

PHYSICAL REVIEW LETTERS   99 ( 11 )   2007.9

Recent photoemission studies on MgB2 and related materials Reviewed

Shunsuke Tsuda, Takayoshi Yokoya, Shik Shin

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   456 ( 1-2 )   126 - 133   2007.6

Core-level electronic structure evolution of heavily boron-doped superconducting diamond studied with hard x-ray photoemission spectroscopy Reviewed

T. Yokoya, E. Ikenaga, M. Kobata, H. Okazaki, K. Kobayashi, A. Takeuchi, A. Awaji, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, K. Kobayashi, H. Kawarada, T. Oguchi

PHYSICAL REVIEW B   75 ( 20 )   2007.5

Observation of a superconducting gap in boron-doped diamond by laser-excited photoemission spectroscopy Reviewed

K. Ishizaka, R. Eguchi, S. Tsuda, T. Yokoya, A. Chainani, T. Kiss, T. Shimojima, T. Togashi, S. Watanabe, C. -T. Chen, C. Q. Zhang, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada, S. Shin

PHYSICAL REVIEW LETTERS   98 ( 4 )   2007.1

Valence band electronic structures of heavily boron-doped superconducting diamond studied by synchrotron photoemission spectroscopy Reviewed

Takayoshi Yokoya, Tetsuya Nakamura, Tomohiro Matsushita, Takayuki Muro, Eiji Ikenaga, Masaaki Kobata, Keisuke Kobayashi, Yoshihiko Takano, Masanori Nagao, Tomohiro Takenouchi, Hiroshi Kawarada, Tamio Oguchi

NEW DIAMOND AND FRONTIER CARBON TECHNOLOGY   17 ( 1 )   11 - 19   2007

Electronic structures of heavily boron-doped superconducting diamond films Reviewed

Takayoshi Yokoya, Hiroyuki Okazaki, Tetsuya Nakamura, Tomohiro Matsushita, Takayuki Muro, Eiji Ikenaga, Masaaki Kobata, Keisuke Kobayashi, Akihisa Takeuchi, Akihiro Awaji, Yoshihiko Takano, Masanori Nagao, Tomohiro Takenouchi, Hiroshi Kawarada, Tamio Oguchi

DIAMOND ELECTRONICS - FUNDAMENTALS TO APPLICATIONS   956   39 - +   2007

24pxA-2 The study of electronic structure of n-type phosphorus-doped diamond by using soft x-ray photoelectron spectroscopy Reviewed

Okazaki H., Yamasaki S., Takano Y., Ishii S., Oguchi T., Yokoya T., Muro T., Nakamura T., Matsushita T., Wakita T., Muraoka Y., Hirai M., Kato S.

Meeting Abstracts of the Physical Society of Japan   62 ( 0 )   665 - 665   2007

24pXA-1 Soft x-ray photoelectron spectroscopy of heavily B-doped superconducting diamond Reviewed

Okazaki H., Ishii S., Iriyama S., Kawarada H., Yokoya T., Muro T., Nakamura T., Matsushita T., Wakita T., Muraoka Y., Hirai M., Takano Y.

Meeting Abstracts of the Physical Society of Japan   62 ( 0 )   665 - 665   2007

Angle-resolved photoemission study of the cobalt oxide superconductor NaxCoO2 center dot yH(2)O: Observation of the Fermi surface Reviewed

T. Shimojima, K. Ishizaka, S. Tsuda, T. Kiss, T. Yokoya, A. Chainani, S. Shin, P. Badica, K. Yamada, K. Togano

PHYSICAL REVIEW LETTERS   97 ( 26 )   2006.12

Laser-excited ultrahigh-resolution photoemission spectroscopy of borocarbide superconductor RNi2B2C(R = Y and Er) Reviewed

T. Baba, T. Yokoya, S. Tsuda, T. Kiss, T. Shimojima, S. Shin, T. Togashi, C. T. Chen, C. Q. Zhang, S. Watanabe, T. Watanabe, M. Nohara, H. Takagi

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   445   46 - 49   2006.10

Observation of step-induced magnetic domain formation in La1-xSrxMnO3 thin films by photoelectron emission microscopy Reviewed

T. Taniuchi, H. Kumigashira, M. Oshima, T. Wakita, T. Yokoya, M. Kubota, K. Ono, H. Akinaga, M. Lippmaa, M. Kawasaki, H. Koinuma

APPLIED PHYSICS LETTERS   89 ( 11 )   2006.9

Superconducting gap of filled skutterudite superconductor LaRu4P12 studied by sub-meV resolution photoemission spectroscopy Reviewed

S. Tsuda, T. Yokoya, T. Kiss, T. Shimojima, S. Shin, T. Togasi, S. Watanabe, C. Q. Zhang, C. T. Chen, H. Sugawara, H. Sato, H. Harima

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   75 ( 6 )   2006.6

Laser-excited ultrahigh-resolution photoemission study of anisotropic s-wave superconductor YNi2B2C Reviewed

T Baba, T Yokoya, S Tsuda, T Kiss, T Shimojima, S Shin, T Togashi, CT Chen, CQ Zhang, S Watanabe, T Watanabe, M Nohara, H Takagi

PHYSICA B-CONDENSED MATTER   378-80   469 - 470   2006.5

Hard X-ray photoelectron emission microscopy as tool for studying buried layers Reviewed

T Wakita, T Taniuchi, K Ono, M Suzuki, N Kawamura, M Takagaki, H Miyagawa, FZ Guo, T Nakamura, T Muro, H Akinaga, T Yokoya, M Oshima, K Kobayashi

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 3A )   1886 - 1888   2006.3

Bulk- and surface-sensitive high-resolution photoemission study of two mott-hubbard systems: SrVO3 and CaVO3 Reviewed

R Eguchi, T Kiss, S Tsuda, T Shimojima, T Mizokami, T Yokoya, A Chainani, S Shin, IH Inoue, T Togashi, S Watanabe, CQ Zhang, CT Chen, M Arita, K Shimada, H Namatame, M Taniguchi

PHYSICAL REVIEW LETTERS   96 ( 7 )   2006.2

Anisotropic s-wave superconductors studied by angle-resolved photoemission spectroscopy Reviewed

T Yokoya, T Baba, S Tsuda, T Kiss, A Chainani, S Shin, T Watanabe, M Nohara, T Hanaguri, H Takagi, Y Takano, H Kito, J Itoh, H Harima, T Oguchi

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   67 ( 1-3 )   277 - 281   2006.1

Laser-excited ultrahigh-resolution photoemission spectroscopy of superconducting Na0.35CoO2 center dot 1.3H(2)O Reviewed

T Shimojima, T Yokoya, T Kiss, A Chainani, S Shin, T Togashi, C Zhang, C Chen, S Watanabe, K Takada, T Sasaki, H Sakurai, E Takayama-Muromachi

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   67 ( 1-3 )   282 - 285   2006.1

Fermi surface topology of borocarbide superconductor YNi2B2C: Angle-resolved photoemission spectroscopy Reviewed

T. Baba, T. Yokoya, S. Tsuda, S. Shin, T. Watanabe, M. Nohara, H. Takagi, T. Oguchi

LOW TEMPERATURE PHYSICS, PTS A AND B   850   683 - +   2006

Experimental investigations on the electronic structure and the low-temperature stability of Cd-based quasicrystals and their 1/1 cubic approximants Reviewed

R Tamura, K Minoda, S Takeuchi, T Takeuchi, K Edagawa, T Kiss, T Yokoya, S Shin

PHILOSOPHICAL MAGAZINE   86 ( 3-5 )   489 - 497   2006

Laser-excited photoemission spectroscopy study of superconducting boron-doped diamond Reviewed

K. Ishizaka, R. Eguchi, S. Tsuda, T. Kiss, T. Shimojima, T. Yokoya, S. Shin, T. Togashi, S. Watanabe, C. -T. Chen, C. Q. Zhang, Y. Takano, M. Nagao, I. Sakaguchi, T. Takenouchi, H. Kawarada

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   7   S17 - S21   2006

Soft X-ray angle-resolved photoemission spectroscopy of heavily boron-doped superconducting diamond films Reviewed

T. Yokoya, T. Nakamura, T. Matushita, T. Muro, H. Okazaki, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, Y. Takano, M. Nagao, T. Takenouchi, H. Kawarada, T. Oguchi

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   7   S12 - S16   2006

Ultraviolet laser photoemission spectroscopy of FeSi: Observation of a gap opening in density of states Reviewed

K Ishizaka, T Kiss, T Shimojima, T Yokoya, T Togashi, S Watanabe, CQ Zhang, CT Chen, Y Onose, Y Tokura, S Shin

PHYSICAL REVIEW B   72 ( 23 )   2005.12

Origin of the metallic properties of heavily boron-doped superconducting diamond Reviewed

T Yokoya, T Nakamura, T Matsushita, T Muro, Y Takano, M Nagao, T Takenouchi, H Kawarada, T Oguchi

NATURE   438 ( 7068 )   647 - 650   2005.12

Temperature-dependent luttinger surfaces Reviewed

T Ito, A Chainani, T Haruna, K Kanai, T Yokoya, S Shin, R Kato

PHYSICAL REVIEW LETTERS   95 ( 24 )   2005.12

Evidence for suppressed screening on the surface of high temperature La2-xSrxCuO4 and Nd2-xCexCuO4 superconductors Reviewed

M Taguchi, A Chainani, K Horiba, Y Takata, M Yabashi, K Tamasaku, Y Nishino, D Miwa, T Ishikawa, T Takeuchi, K Yamamoto, M Matsunami, S Shin, T Yokoya, E Ikenaga, K Kobayashi, T Mochiku, K Hirata, J Hori, K Ishii, F Nakamura, T Suzuki

PHYSICAL REVIEW LETTERS   95 ( 17 )   2005.10

Carbon-substitution dependent multiple superconducting gap of Mg B2: A sub-meV resolution photoemission study Reviewed

S. Tsuda, T. Yokoya, T. Kiss, T. Shimojima, S. Shin, T. Togashi, S. Watanabe, C. Zhang, C. T. Chen, S. Lee, H. Uchiyama, S. Tajima, N. Nakai, K. Machida

Physical Review B - Condensed Matter and Materials Physics   72 ( 6 )   2005.8

Angle-resolved photoemission study of K0.3MoO3: direct observation of temperature-dependent Fermi surface across the Peierls transition Reviewed

H Ando, T Yokoya, K Ishizaka, S Tsuda, T Kiss, S Shin, T Eguchi, M Nohara, H Takagi

JOURNAL OF PHYSICS-CONDENSED MATTER   17 ( 32 )   4935 - 4940   2005.8

Carbon-substitution dependent multiple superconducting gap of MgB2: A sub-meV resolution photoemission study Reviewed

S Tsuda, T Yokoya, T Kiss, T Shimojima, S Shin, T Togashi, S Watanabe, C Zhang, CT Chen, S Lee, H Uchiyama, S Tajima, N Nakai, K Machida

PHYSICAL REVIEW B   72 ( 6 )   2005.8

Hard-X-ray photoelectron spectroscopy of NaxCoO2 center dot yH(2)O Reviewed

A Chainani, T Yokoya, Y Takata, K Tamasaku, M Taguchi, T Shimojima, N Kamakura, K Horiba, S Tsuda, S Shin, D Miwa, Y Nishino, T Ishikawa, M Yabashi, K Kobayashi, H Namatame, M Taniguchi, K Takada, T Sasaki, H Sakurai, E Takayama-Muromachi

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   547 ( 1 )   163 - 168   2005.7

Contribution of electronic structure to thermoelectric power in (Bi,Pb)(2)(Sr,La)(2)CuO6+delta Reviewed

T Kondo, T Takeuchi, U Mizutani, T Yokoya, S Tsuda, S Shin

PHYSICAL REVIEW B   72 ( 2 )   2005.7

Hole-concentration dependence of electrical resistivity in the (Bi, Pb)(2)(Sr, La)(2)CuO6+delta quantitative evaluation with angle-resolved photoemission spectroscopy Reviewed

T Kondo, T Takeuchi, T Yokoya, S Tsuda, S Shin, U Mizutani

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   144   1249 - 1252   2005.6

Ultrahigh-resolution photoemission spectroscopy of superconductors using a VUV laser Reviewed

T Kiss, T Shimojima, F Kanetaka, K Kanai, T Yokoya, S Shin, Y Onuki, T Togashi, CQ Zhang, CT Chen, S Watanabe

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   144   953 - 956   2005.6

Role of charge-density-wave fluctuations on the spectral function in a metallic charge-density-wave system Reviewed

T Yokoya, T Kiss, A Chainani, S Shin, K Yamaya

PHYSICAL REVIEW B   71 ( 14 )   2005.4

Bulk screening in core-level photoemission from Mott-Hubbard and charge-transfer systems Reviewed

M Taguchi, A Chainani, N Kamakura, K Horiba, Y Takata, M Yabashi, K Tamasaku, Y Nishino, D Miwa, T Ishikawa, S Shin, E Ikenaga, T Yokoya, K Kobayashi, T Mochiku, K Hirata, K Motoya

PHYSICAL REVIEW B   71 ( 15 )   2005.4

Absence of strong correlation in Li 2Pd 3B Reviewed

T. Yokoya, T. Muro, I. Hase, H. Takeya, K. Hirata, K. Togano

Physical Review B - Condensed Matter and Materials Physics   71 ( 9 )   2005.3

Absence of strong correlation in Li2Pd3B Reviewed

T Yokoya, T Muro, Hase, I, H Takeya, K Hirata, K Togano

PHYSICAL REVIEW B   71 ( 9 )   2005.3

Photoemission spectroscopic evidence of gap anisotropy in an f-electron superconductor Reviewed

T Kiss, F Kanetaka, T Yokoya, T Shimojima, K Kanai, S Shin, Y Onuki, T Togashi, C Zhang, CT Chen, S Watanabe

PHYSICAL REVIEW LETTERS   94 ( 5 )   2005.2

Laser-excited ultrahigh-resolution photoemission spectroscopy of NaxCoO2 center dot yH(2)O: Evidence for pseudogap formation Reviewed

T Shimojima, T Yokoya, T Kiss, A Chainani, S Shin, T Togashi, S Watanabe, C Zhang, CT Chen, K Takada, T Sasaki, H Sakurai, E Takayama-Muromachi

PHYSICAL REVIEW B   71 ( 2 )   2005.1

Laser-excited ultrahigh-resolution photoemission spectroscopy of Na xCoO 2·yH 2O: Evidence for pseudogap formation Reviewed

T. Shimojima, T. Yokoya, T. Kiss, A. Chainani, S. Shin, T. Togashi, S. Watanabe, C. Zhang, C. T. Chen, K. Takada, T. Sasaki, H. Sakurai, E. Takayama-Muromachi

Physical Review B - Condensed Matter and Materials Physics   71 ( 2 )   2005.1

Electronic structure changes across the valence transition in EuNi <inf>2</inf>(Si<inf>0.2</inf>Ge<inf>0.8</inf>)<inf>2</inf>

P. A. Rayjada, P. A. Rayjada, A. Chainani, A. Chainani, K. Kanai, K. Kanai, T. Haruna, T. Yokoya, S. Shin, S. Shin, H. Wada, M. Shiga

Physical Review B - Condensed Matter and Materials Physics   70   1 - 7   2004.12

Electronic structure changes across the valence transition in EuNi2(Si0.2Ge0.8)(2) Reviewed

PA Rayjada, A Chainani, K Kanai, T Haruna, T Yokoya, S Shin, H Wada, M Shiga

PHYSICAL REVIEW B   70 ( 23 )   2004.12

Valence-band photoemission study of beta-ZrNCl and the quasi-two-dimensional superconductor NaxZrNCl Reviewed

T Yokoya, T Takeuchi, S Tsuda, T Kiss, T Higuchi, S Shin, K Iizawa, S Shamoto, T Kajitani, T Takahashi

PHYSICAL REVIEW B   70 ( 19 )   2004.11

Valence-band photoemission study of β-ZrNCl and the quasi-two-dimensional superconductor NaxZrNCl Reviewed

T. Yokoya, T. Takeuchi, S. Tsuda, T. Kiss, T. Higuchi, S. Shin, K. Iizawa, S. Shamoto, T. Kajitani, T. Takahashi

Physical Review B - Condensed Matter and Materials Physics   70 ( 19 )   1 - 4   2004.11

Electronic structure and superconducting gap of silicon clathrate Ba8Si46 studied with ultrahigh-resolution photoemission spectroscopy (vol B 64, art no 172504, 2001) Reviewed

T Yokoya, A Fukushima, T Kiss, K Kobayashi, S Shin, K Moriguchi, A Shintani, H Fukuoka, S Yamanaka

PHYSICAL REVIEW B   70 ( 15 )   2004.10

The Fermi surface and sheet-dependent superconducting gap of MgB2 Reviewed

S Tsuda, T Yokoya, S Shin, Y Takano, H Kito, A Matsushita, F Yin, J Itoh, H Harima

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   412   36 - 40   2004.10

Electronic structure and large thermoelectric power in Ca3Co4O9 Reviewed

T Takeuchi, T Kondo, K Soda, U Mizutani, R Funahashi, M Shikano, S Tsuda, T Yokoya, S Shin, T Muro

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   137   595 - 599   2004.7

Hole-concentration dependence of band structure in (Bi,Pb)(2)(Sr,La)(2)CUO6+delta determined by the angle-resolved photoemission spectroscopy Reviewed

T Kondo, T Takeuchi, T Yokoya, S Tsuda, S Shin, U Mizutani

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   137   663 - 668   2004.7

Advantage of thin-film filter for reliable photoemission spectroscopy using high-flux discharging lamp Reviewed

T Yokoya, S Tsuda, T Kiss, S Shin, T Mochiku, K Hirata

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS   43 ( 6A )   3618 - 3619   2004.6

Bulk electronic structure of Na<inf>0.35</inf>CoO<inf>2</inf>·1. 3H<inf>2</inf>O Reviewed

A. Chainani, T. Yokoya, Y. Takata, K. Tamasaku, M. Taguchi, T. Shimojima, N. Kamakura, K. Horiba, S. Tsuda, S. Shin, S. Shin, D. Miwa, Y. Nishino, T. Ishikawa, M. Yabashi, K. Kobayashi, H. Namatame, M. Taniguchi, K. Takada, K. Takada, T. Sasaki, T. Sasaki, H. Sakurai, E. Takayama-Muromachi

Physical Review B - Condensed Matter and Materials Physics   69 ( 18 )   2004.5

Bulk electronic structure of Na0.35CoO2 center dot 1.3H(2)O Reviewed

A Chainani, T Yokoya, Y Takata, K Tamasaku, M Taguchi, T Shimojima, N Kamakura, K Horiba, S Tsuda, S Shin, D Miwa, Y Nishino, T Ishikawa, M Yabashi, K Kobayashi, H Namatame, M Taniguchi, K Takada, T Sasaki, H Sakurai, E Takayama-Muromachi

PHYSICAL REVIEW B   69 ( 18 )   2004.5

Bulk electronic structure of Na0.35CoO2 center dot 1.3H(2)O Reviewed

Chainani, A, Yokoya, T, Takata, Y, Tamasaku, K, Taguchi, M, Shimojima, T, Kamakura, N, Horiba, K, Tsuda, S, Shin, S, Miwa, D, Nishino, Y, Ishikawa, T, Yabashi, M, Kobayashi, K, Namatame, H, Taniguchi, M, Takada, K, Sasaki, T, Sakurai, H, Takayama-Muromachi, E

Physical Review B   69 ( 18 )   180508   2004.5

Experimental evidence for the p-d hybridization in the Cd-Ca quasicrystal: Origin of the pseudogap Reviewed

R Tamura, T Takeuchi, C Aoki, S Takeuchi, T Kiss, T Yokoya, S Shin

PHYSICAL REVIEW LETTERS   92 ( 14 )   2004.4

Contribution of electronic structure to the large thermoelectric power in layered cobalt oxides Reviewed

Tsunehiro Takeuchi, Takeshi Kondo, Tsuyoshi Takami, Hirofumi Takahashi, Hiroshi Ikuta, Uichiro Mizutani, Kazuo Soda, Ryoji Funahashi, Masahiro Shikano, Masashi Mikami, Syunsuke Tsuda, Takayoshi Yokoya, Shik Shin, Takayuki Muro

Physical Review B - Condensed Matter and Materials Physics   69 ( 12 )   2004.3

Identical superconducting gap on different Fermi surfaces of Ca(Al0.5Si0.5)(2) with the AlB2 structure Reviewed

S Tsuda, T Yokoya, S Shin, M Imai, Hase, I

PHYSICAL REVIEW B   69 ( 10 )   2004.3

Contribution of electronic structure to the large thermoelectric power in layered cobalt oxides Reviewed

T Takeuchi, T Kondo, T Takami, H Takahashi, H Ikuta, U Mizutani, K Soda, R Funahashi, M Shikano, M Mikami, S Tsuda, T Yokoya, S Shin, T Muro

PHYSICAL REVIEW B   69 ( 12 )   2004.3

Erratum: Electronic structure and superconducting gap of silicon clathrate Ba<inf>8</inf>Si<inf>46</inf> studied with ultrahigh-resolution photoemission spectroscopy (Physical Review B - Condensed Matter and Materials Physics (2001) 64 (172504)) Reviewed

Yokoya, T., Fukushima, A., Kiss, T., Kobayashi, K., Shin, S., Moriguchi, K., Shintani, A., Fukuoka, H., Yamanaka, S.

Physical Review B - Condensed Matter and Materials Physics   70 ( 15 )   2004

Comparative study of the electronic structure of MgB2 and ZrB2 Reviewed

C. Jariwala, A. Chainani, S. Tsuda, T. Yokoya, S. Shin, Y. Takano, K. Togano, S. Otani, H. Kito

Physical Review B - Condensed Matter and Materials Physics   68 ( 17 )   2003.11

Comparative study of the electronic structure of MgB2 and ZrB2 Reviewed

C Jariwala, A Chainani, S Tsuda, T Yokoya, S Shin, Y Takano, K Togano, S Otani, H Kito

PHYSICAL REVIEW B   68 ( 17 )   2003.11

Soft X-ray emission and high-resolution photoemission study of quasi-two-dimensional superconductor NaxHfNCl Reviewed

T Takeuchi, S Tsuda, T Yokoya, T Tsukamoto, S Shin, A Hirai, S Shamoto, T Kajitani

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   392   127 - 129   2003.10

X-ray absorption and resonant photoemission spectroscopy of ZrB2 Reviewed

S Tsuda, R Eguchi, A Kosuge, T Yokoya, A Fukushima, S Shin, A Chainaini, S Otani, Y Takano, K Togano, H Kito

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   392   259 - 262   2003.10

Definitive experimental evidence for two-band superconductivity in MgB2 Reviewed

S Tsuda, T Yokoya, Y Takano, H Kito, A Matsushita, F Yin, J Itoh, H Harima, S Shin

PHYSICAL REVIEW LETTERS   91 ( 12 )   2003.9

Soft x-ray energy-dependent angle-resolved photoemission study of CeIrIn5 Reviewed

T Ito, PA Rayjada, N Kamakura, Y Takata, T Yokoya, A Chainani, S Shin, M Nohara, H Takagi

JOURNAL OF PHYSICS-CONDENSED MATTER   15 ( 28 )   S2149 - S2152   2003.7

Photoemission results of intermetallic superconductors: Nb3Al and MgB2 Reviewed

T Yokoya, S Tsuda, A Chainani, T Kiss, K Hirata, Y Takano, K Togano, H Kito, H Ihara, S Shin

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   63 ( 12 )   2141 - 2144   2002.12

Ultrahigh resolution photoemission study of CeRu4Sb12 Reviewed

K. Kanai, N. Takeda, S. Nozawa, T. Yokoya, M. Ishikawa, S. Shin

J. Phys. Chem. Solids   63   1175 - 1178   2002.12

Photoemission study of pyrochlore superconductor Cd2Re2O7 Reviewed

R. Eguchi, T. Yokoya, T. Baba, M. Hanawa, Z. Hiroi, N. Kamakura, Y. Takata, H. Harima, S. Shin

Physical Review B - Condensed Matter and Materials Physics   66 ( 1 )   125161 - 125164   2002.7

Superconducting transitions studied by ultrahigh-resolution photoemission Reviewed

T Yokoya, T Kiss, A Chainani, S Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   124 ( 2-3 )   99 - 105   2002.7

Photoemission study of pyrochlore superconductor Cd2Re2O7 Reviewed

R Eguchi, T Yokoya, T Baba, M Hanawa, Z Hiroi, N Kamakura, Y Takata, H Harima, S Shin

PHYSICAL REVIEW B   66 ( 1 )   2002.7

High-resolution photoemission spectroscopy for the layered antiferromagnetic (La1-zNdz)(0.46)Sr0.54MnO3 Reviewed

T Takeuchi, H Nozaki, K Soda, T Kondo, U Mizutani, T Yokoya, T Sato, T Takahashi, S Shin, T Muro, Y Saitoh, Y Moritomo

JOURNAL OF SYNCHROTRON RADIATION   9   237 - 241   2002.7

High-resolution photoelectron spectroscopy of Heusler-type Fe2VAl alloy Reviewed

K Soda, T Mizutani, O Yoshimoto, S Yagi, U Mizutani, H Sumi, Y Nishino, Y Yamada, T Yokoya, S Shin, A Sekiyama, S Suga

JOURNAL OF SYNCHROTRON RADIATION   9   233 - 236   2002.7

Comparative study of the binary icosahedral quasicrystal Cd5.7Yb and its crystalline approximant Cd6Yb by low-temperature ultrahigh-resolution photoemission spectroscopy Reviewed

Ryuji Tamura, Yohsuke Murao, Shin Takeuchi, Takayuki Kiss, Takayoshi Yokoya, Shik Shin

Physical Review B - Condensed Matter and Materials Physics   65 ( 22 )   2242071 - 2242075   2002.6

Comparative study of the binary icosahedral quasicrystal Cd5.7Yb and its crystalline approximant Cd6Yb by low-temperature ultrahigh-resolution photoemission spectroscopy Reviewed

R Tamura, Y Murao, S Takeuchi, T Kiss, T Yokoya, S Shin

PHYSICAL REVIEW B   65 ( 22 )   2002.6

Angle-resolved photoemission study of the mixed valence oxide V6O13: Quasi-one-dimensional electronic structure and its change across the metal-insulator transition

R. Eguchi, T. Yokoya, T. Kiss, Y. Ueda, S. Shin

Physical Review B - Condensed Matter and Materials Physics   65 ( 20 )   2051241 - 2051244   2002.5

Angle-resolved photoemission study of the mixed valence oxide V6O13: Quasi-one-dimensional electronic structure and its change across the metal-insulator transition Reviewed

R Eguchi, T Yokoya, T Kiss, Y Ueda, S Shin

PHYSICAL REVIEW B   65 ( 20 )   2002.5

Electronic structure of black SmS. I. 4d-4f resonance and angle-integrated valence-band photoemission spectroscopy Reviewed

A. Chainani, H. Kumigashira, T. Ito, T. Sato, T. Takahashi, T. Yokoya, T. Higuchi, T. Takeuchi, S. Shin, N. K. Sato

Physical Review B - Condensed Matter and Materials Physics   65 ( 15 )   1552011 - 1552017   2002.4

Electronic structure of black SmS. I. 4d-4f resonance and angle-integrated valence-band photoemission spectroscopy Reviewed

A Chainani, H Kumigashira, T Ito, T Sato, T Takahashi, T Yokoya, T Higuchi, T Takeuchi, S Shin, NK Sato

PHYSICAL REVIEW B   65 ( 15 )   2002.4

Superconducting gap of MgB2 observed using ultrahigh-resolution photoemission spectroscopy Reviewed

S Tsuda, T Yokoya, T Kiss, A Chainani, Y Takano, K Togano, H Kito, H Ihara, S Shin

PHYSICA B-CONDENSED MATTER   312   150 - +   2002.3

Fermi surface and superconducting gap of 2H-NbSe2 using low-temperature ultrahigh-resolution angle-resolved photoemission spectroscopy Reviewed

T Kiss, T Yokoya, A Chainani, S Shin, M Nohara, H Takagi

PHYSICA B-CONDENSED MATTER   312   666 - 667   2002.3

Angle-resolved photoemission spectroscopy, optical conductivity, and soft X-ray Raman spectroscopy of quasi-one-dimensional V6O13 Reviewed

R Eguchi, T Yokoya, T Kiss, Y Ueda, H Tajima, J Yamazaki, S Shin

PHYSICA B-CONDENSED MATTER   312   600 - 602   2002.3

Electronic structure of the filled skutterudite compound CeRu<inf>4</inf>Sb<inf>12</inf>

K. Kanai, N. Takeda, S. Nozawa, T. Yokoya, M. Ishikawa, S. Shin, S. Shin

Physical Review B - Condensed Matter and Materials Physics   65 ( 4 )   411051 - 411054   2002.1

Electronic structure of the filled skutterudite compound CeRu4Sb12 Reviewed

K Kanai, N Takeda, S Nozawa, T Yokoya, M Ishikawa, S Shin

PHYSICAL REVIEW B   65 ( 4 )   2002.1

Photoemission spectroscopy of the strong-coupling superconducting transitions in Lead and Niobium

T. Yokoya, T. Kiss, A. Chainani, S. Shin

Journal of Electron Spectroscopy and Related Phenomena   124   99   2002

Electronic structure of the filled skutterudite compound (formula presented) Reviewed

K. Kanai, N. Takeda, S. Nozawa, T. Yokoya, M. Ishikawa, S. Shin

Physical Review B - Condensed Matter and Materials Physics   65 ( 4 )   1 - 4   2002

Fermi surface sheet-dependent superconductivity in 2H-NbSe2 Reviewed

T Yokoya, T Kiss, A Chainani, S Shin, M Nohara, H Takagi

SCIENCE   294 ( 5551 )   2518 - 2520   2001.12

Electron-phonon coupling induced pseudogap and the superconducting transition in Ba0.67K0.33BiO3

A. Chainani, T. Yokoya, T. Kiss, S. Shin, T. Nishio, H. Uwe

Physical Review B - Condensed Matter and Materials Physics   64 ( 18 )   1805091 - 1805094   2001.11

Electronic structure and superconducting gap of silicon clathrate Ba8Si46 studied with ultrahigh-resolution photoemission spectroscopy

T. Yokoya, A. Fukushima, T. Kiss, K. Kobayashi, S. Shin, K. Moriguchi, A. Shintani, H. Fukuoka, S. Yamanaka

Physical Review B - Condensed Matter and Materials Physics   64 ( 17 )   1725041 - 1725044   2001.11

Electron-phonon coupling induced pseudogap and the superconducting transition in Ba0.67K0.33BiO3 Reviewed

A Chainani, T Yokoya, T Kiss, S Shin, T Nishio, H Uwe

PHYSICAL REVIEW B   64 ( 18 )   2001.11

Electronic structure and superconducting gap of silicon clathrate Ba8Si46 studied with ultrahigh-resolution photoemission spectroscopy Reviewed

T Yokoya, A Fukushima, T Kiss, K Kobayashi, S Shin, K Moriguchi, A Shintani, H Fukuoka, S Yamanaka

PHYSICAL REVIEW B   64 ( 17 )   2001.11

Evidence for a multiple superconducting gap in MgB2 from high-resolution photoemission spectroscopy Reviewed

S Tsuda, T Yokoya, T Kiss, Y Takano, K Togano, H Kito, H Ihara, S Shin

PHYSICAL REVIEW LETTERS   87 ( 17 )   2001.10

Changes of electronic structure across the insulator-to-metal transition of quasi-two-dimensional Na-intercalated beta-HfNCl studied by photoemission and x-ray absorption Reviewed

T Yokoya, Y Ishiwata, S Shin, S Shamoto, K Iizawa, T Kajitani, Hase, I, T Takahashi

PHYSICAL REVIEW B   64 ( 15 )   2001.10

Determination of the Fermi surface in high-T-c superconductors by angle-resolved photoemission spectroscopy Reviewed

J Mesot, M Randeria, MR Norman, A Kaminski, HM Fretwell, JC Campuzano, H Ding, T Takeuchi, T Sato, T Yokoya, T Takahashi, Chong, I, T Terashima, M Takano, T Mochiku, K Kadowaki

PHYSICAL REVIEW B   63 ( 22 )   2001.6

Topology of the fermi surface and band structure near the fermi level in the Ph-doped Bi2Sr2CuO6+delta superconductor Reviewed

T Takeuchi, T Yokoya, S Shin, K Jinno, M Matsuura, T Kondo, H Ikuta, U Mizutani

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   114   629 - 634   2001.3

Ultra-high resolution photoemission spectroscopy of simple metals: direct observation of superconducting gap and phonon-induced fine structures Reviewed

T Kiss, T Yokoya, A Chainani, S Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   114   635 - 639   2001.3

Ultrahigh-resolution photoemission and resonant-inverse photoemission spectroscopy on CePd3 Reviewed

K Kanai, T Kiss, T Yokoya, G Schmerber, JP Kappler, JC Parlebas, S Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   114   741 - 745   2001.3

Two different types of pseudogaps in high-T-c superconductors Reviewed

T Takahashi, T Sato, T Yokoya, T Kamiyama, Y Naitoh, T Mochiku, K Yamada, Y Endoh, K Kadowaki

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   62 ( 1-2 )   41 - 45   2001.1

High-resolution angle-resolved photoemission study of Pb-substituted Bi2201 Reviewed

T Sato, Y Naitoh, T Kamiyama, T Takahashi, T Yokoya, J Mesot, A Kaminski, H Fretwell, JC Campuzano, H Ding, Chong, I, T Terashima, M Takano, K Kadowaki

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   62 ( 1-2 )   157 - 161   2001.1

Determination of the Fermi surface in high-Tc superconductors by angle-resolved photoemission spectroscopy Reviewed

J. Mesot, M. Randeria, M. R. Norman, A. Kaminski, H. M. Fretwell, J. C. Campuzano, H. Ding, T. Takeuchi, T. Sato, T. Yokoya, T. Takahashi, I. Chong, T. Terashima, M. Takano, T. Mochiku, K. Kadowaki

Physical Review B - Condensed Matter and Materials Physics   63 ( 22 )   2245161 - 22451614   2001

Ultrahigh-resolution photoemission spectroscopy of Ni borocarbides: direct observation of the superconducting gap and a change in gap anisotropy by impurity

T. Yokoya, T. Kiss, T. Watanabe, S. Shin, M. Nohara, H. Takagi, T. Oguchi

Physical Review Letters   85 ( 23 )   4952 - 4955   2000.12

Hole-state and defect structure of proton conductor SrTiO3 observed by high-resolution X-ray absorption spectroscopy

T. Higuchi, T. Tsukamoto, N. Sata, M. Ishigame, K. Kobayashi, S. Yamaguchi, Y. Ishiwata, T. Yokoya, M. Fujisawa, S. Shin

Solid State Ionics   136-137   261 - 264   2000.11

Pseudogap formation in Kondo insulators CeRhSb and CeRhAs studied by ultrahigh-resolution photoemission spectroscopy Reviewed

H Kumigashira, T Sato, T Yokoya, T Takahashi, S Yoshii, M Kasaya

PHYSICA B   281   284 - 285   2000.6

Angle-resolved photoemission study of 1D chain and two-leg ladder Reviewed

T Sato, T Yokoya, H Fujisawa, T Takahashi, M Uehara, T Nagata, J Akimitsu, S Miyasaka, M Kibune, H Takagi

STRIPES AND RELATED PHENOMENA   263 - 270   2000

Photoemission spectroscopy of the strong-coupling superconducting transitions in lead and niobium

A. Chainani, T. Yokoya, T. Kiss, S. Shin

Physical Review Letters   85 ( 9 )   1966 - 1969   2000

Electronic structure in the band gap of lightly doped by high-resolution x-ray absorption spectroscopy

T. Higuchi, T. Tsukamoto, K. Kobayashi, Y. Ishiwata, M. Fujisawa, T. Yokoya, S. Yamaguchi, S. Shin

Physical Review B - Condensed Matter and Materials Physics   61 ( 19 )   12860 - 12863   2000

Superconducting gap, pseudogap, and fermi surface of Bi2201: high energy- and momentum-resolution photoemission study

T. Sato, Y. Naitoh, T. Kamiyama, T. Takahashi, T. Yokoya, J. Mesot, A. Kaminski, H. Fretwell, J. C. Campuzano, H. Ding, I. Chong, T. Terashima, M. Takano, K. Kadowaki

Physica C: Superconductivity and its Applications   341-348   2091 - 2094   2000

Ti-O Hybridization Effect on Ferroelectric Phase Transition of BaTiO₃(共著)

Higuchi Tohru, Tsukamoto Takeyo, Oka Kunihiko, Yokoya Takayoshi, Tezuka Yasuhisa, Shin Shik

Jpn. J. Appl. Phys.   38 ( 9 )   5667 - 5669   1999.9

Spectral evidence for pseudogap formation in kondo insulators CeRhAs and CeRhSb

H. Kumigashira, T. Sato, T. Yokoya, T. Takahashi, S. Yoshii, M. Kasaya

Physical Review Letters   82 ( 9 )   1943 - 1946   1999.1

Electronic spectra and their relation to the (π, π) collective mode in high-Tc superconductors

J. C. Campuzano, H. Ding, M. R. Norman, H. M. Fretwell, M. Randeria, A. Kaminski, J. Mesot, T. Takeuchi, T. Sato, T. Yokoya, T. Takahashi, T. Mochiku, K. Kadowaki, P. Guptasarma, D. G. Hinks, Z. Konstantinovic, Z. Z. Li, H. Raffy

Physical Review Letters   83 ( 18 )   3709 - 3712   1999.1

Pseudogap of optimally doped La1.85Sr0.15CuO4 observed by ultrahigh-resolution photoemission spectroscopy

T. Sato, T. Yokoya, Y. Naitoh, T. Takahashi, K. Yamada, Y. Endoh

Physical Review Letters   83 ( 11 )   2254 - 2257   1999.1

Superconducting gap anisotropy and quasiparticle interactions: A doping dependent photoemission study

J. Mesot, M. R. Norman, H. Ding, M. Randeria, J. C. Campuzano, A. Paramekanti, H. M. Fretwell, A. Kaminski, T. Takeuchi, T. Yokoya, T. Sato, T. Takahashi, T. Mochiku, K. Kadowaki

Physical Review Letters   83 ( 4 )   840 - 843   1999.1

Angle-resolved photoemission study of Sr2CuO3

H. Fujisawa, T. Yokoya, T. Takahashi, S. Miyasaka, M. Kibune, H. Takagi

Physical Review B - Condensed Matter and Materials Physics   59 ( 11 )   7358 - 7361   1999

BSCCO superconductors : Hole-like Fermi surface and doping dependence of the gap function(共著)

J. Mesot, M. R. Norman, H. Ding, M. Randeria, J. C. Campuzano, A. Paramekanti, H. M. Fretwell, A. Kaminski, T. Takeuchi, T. Yokoya, T. Sato, T. Takahashi, T. Mochiku, K. Kadowaki

JOURNAL OF LOW TEMPERATURE PHYSICS   117 ( 3-4 )   365 - 369   1999

Electronic structure of (formula presented) comparison between substitutional and vacancy doping

T. Yokoya, T. Sato, H. Fujisawa, T. Takahashi, A. Chainani, M. Onoda

Physical Review B - Condensed Matter and Materials Physics   59 ( 3 )   1815 - 1818   1999

Metallic-covalent bonding conversion in Alminum-based and Boron-based icosahedral cluster solids Reviewed

K. Kimura, H. Matsuda, M. Fujimori, M. Terauchi, M. Tanaka, H. Kumigashira, T. Yokoya, T. Takahashi

Proc. 6th Int. Conf. Quasicrystals   595 - 598   1998.12

Destruction of the Fermi surface in underdoped high-T(c) superconductors

M. R. Norman, H. Ding, M. Randeria, J. C. Campuzano, T. Yokoya, T. Takeuchi, T. Takahashi, T. Mochiku, K. Kadowaki, P. Guptasarma, D. G. Hinks

Nature   392 ( 6672 )   157 - 160   1998.3

Spin-charge separation in single-chain compound Sr2CuO3 studied by angle-resolved photoemission

H. Fujisawa, T. Yokoya, T. Takahashi, S. Miyasaka, M. Kibune, H. Takagi

Solid State Communications   106 ( 8 )   543 - 547   1998

Angle-resolved photoemission study of superconducting ladder compound Sr14-xCaxCu24O41

T. Sato, T. Yokoya, T. Takahashi, M. Uehara, T. Nagata, J. Goto, J. Akimitsu

Journal of Physics and Chemistry of Solids   59 ( 10-12 )   1912 - 1916   1998

Magnetic phase transition of CeSb studied by high-resolution angle-resolved photoemission

T. Takahashi, H. Kumigashira, H. D. Kim, A. Ashihara, A. Chainani, T. Yokoya, A. Uesawa, T. Suzuki

Journal of Magnetism and Magnetic Materials   177-181 ( 2 )   1027 - 1028   1998

Arpes study of the superconducting gap and pseudogap in Bi2Sr2CaCu2O8+x

H. Ding, J. C. Campuzano, M. R. Norman, M. Randeria, T. Yokoya, T. Takahashi, T. Takeuchi, T. Mochiku, K. Kadowaki, P. Guptasarma, D. G. Hinks

Journal of Physics and Chemistry of Solids   59 ( 10-12 )   1888 - 1891   1998

Unusual dispersion and line shape of the superconducting state spectra of Bi2Sr2CaCu2O8 + δ

M. R. Norman, H. Ding, J. C. Campuzano, T. Takeuchi, M. Randeria, T. Yokoya, T. Takahashi, T. Mochiku, K. Kadowaki

Physical Review Letters   79 ( 18 )   3506 - 3509   1997.11

Evolution of the fermi surface with carrier concentration in Bi2Sr2CaCu2O8+δ

H. Ding, M. R. Norman, T. Yokoya, T. Takeuchi, M. Randeria, J. C. Campuzano, T. Takahashi, T. Mochiku, K. Kadowaki

Physical Review Letters   78 ( 13 )   2628 - 2631   1997.3

Extended Van Hove singularity in a noncuprate layered superconductor Sr2RuO4 - Reply Reviewed

T Yokoya, A Chainani, T Takahashi, H KatayamaYoshida, M Kasai, Y Tokura

PHYSICAL REVIEW LETTERS   78 ( 11 )   2272 - 2272   1997.3

Comment on “extended van hove singularity in a noncuprate layered superconductor Sr2RuO4”

A. P. Mackenzie, S. R. Julian, G. G. Lonzarich, Y. Maeno, T. Fujita

Physical Review Letters   78 ( 11 )   2271   1997

Angle-resolved photoemission study of Sr2RuO4; An extended van-Hove singularity in non-cuprate superconductor

T. Takahashi, T. Yokoya, A. Chainani, H. Ding, J. C. Campuzano, M. Kasai, Y. Tokura

Physica C: Superconductivity and its Applications   282-287 ( 1 )   218 - 221   1997

Electronic Band Structure of SrCuO2

Naoyuki Nagasako, Tamio Oguchi, Hideki Fujisawa, Osamu Akaki, Takayoshi Yokoya, Takashi Takahashi, Masayuki Tanaka, Masashi Hasegawa, Humihiko Takei

Journal of the Physical Society of Japan   66 ( 6 )   1756 - 1761   1997

Unconventional spectral changes across the metal-insulator transition

O. Akaki, A. Chainani, T. Yokoya, H. Fujisawa, T. Takahashi, M. Onoda

Physical Review B - Condensed Matter and Materials Physics   56 ( 19 )   12050 - 12053   1997

ARPES studies of Pb substituted Bi2201 compounds

T. Takeuchi, H. Ding, J. C. Campuzano, T. Yokoya, T. Takahashi, I. Chong, T. Terashima, M. Takano

Physica C: Superconductivity and its Applications   282-287 ( 2 )   999 - 1000   1997

Angle-resolved photoemission study of the ladder compound

T. Takahashi, T. Yokoya, A. Ashihara, O. Akaki, H. Fujisawa, A. Chainani, M. Uehara, T. Nagata, J. Akimitsu

Physical Review B - Condensed Matter and Materials Physics   56 ( 13 )   7870 - 7873   1997

High-resolution temperature-dependent valence-band photoemission spectroscopy of gold:mNature of electron-phonon coupling

T. Yokoya, A. Chainani, T. Takahashi

Physical Review B - Condensed Matter and Materials Physics   55 ( 9 )   5574 - 5577   1997

Paramagnetic-to-antiferroparamagnetic phase transition of CeSb studied by high-resolution angle-resolved photoemission

H. Kumigashira, H. Kim, A. Ashihara, A. Chainani, T. Yokoya, T. Takahashi, A. Uesawa, T. Suzuki

Physical Review B - Condensed Matter and Materials Physics   56 ( 21 )   13654 - 13657   1997

Yokoya et al. Reply

T. Yokoya, A. Chainani, T. Takahashi, T. Katayama-Yoshida, M. Kasai, Y. Tokura

Physical Review Letters   78 ( 11 )   2272   1997

High-resolution angle-resolved photoemission study of CeP: Narrow-band formation of 4f electrons

H. Kumigashira, S. Yang, T. Yokoya, A. Chainani, T. Takahashi, A. Uesawa, T. Suzuki

Physical Review B - Condensed Matter and Materials Physics   55 ( 6 )   R3355 - R3357   1997