東北大学   日本学術振興会特別研究員

1997年4月 - 1998年9月

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

Qiang Yue, Takayoshi Yokoya, Yuji Muraoka

Diamond and Related Materials   140   110514 - 110514   2023年12月

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

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年11月

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

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年5月

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

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年4月

Synthesis and Characterization of a Trigonal Layered Compound AgInS₂ 査読

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年3月

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

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

Thin Solid Films   769   139749 - 139749   2023年3月

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

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年

Photoelectron Diffraction and Holography Studies on Dopant Local Structures 招待 査読

Takayoshi Yokoya

Journal of the Physical Society of Japan   91 ( 9 )   2022年9月

Modification of the synthesis of layered titanium chloride nitride 査読

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年9月

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> 査読

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年8月

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

Masashi Tanaka, Noriyuki Kataoka, Takayoshi Yokoya

Condensed Matter   7 ( 2 )   33 - 33   2022年4月

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

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年4月

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

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

Thin Solid Films   751   139210   2022年4月

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

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年11月

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

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年9月

Soft x-ray irradiation induced metallization of layered TiNCl 査読

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年1月

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

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年11月

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

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年10月

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

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

Carbon   167   504 - 511   2020年10月

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

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年7月

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

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年7月

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

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年6月

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

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年4月

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

Yuji Muraoka, Yuki Suga, Hayato Nakahara, Takayoshi Yokoya

JPS Conf. Proc.   30   011071 - 011071   2020年3月

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

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

Thin Solid Films   698   137854   2020年2月

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

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年1月

Temperature dependent local atomic displacements in NaSn2As2 system 査読

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年10月

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

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年10月

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

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年9月

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

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年9月

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

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年9月

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

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年9月

Inhomogeneous charge distribution in a self-doped EuFBiS2 superconductor 査読

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年8月

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年6月

Recent Photoemission Studies on BiCh(2)-Based Compounds 招待 査読

Terashimas Kensei, Wakita Takanori, Yokoya Takayoshi

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   88 ( 4 )   2019年4月

Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides 査読

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年4月

Fermi level tuning of Ag-doped Bi2Se3 topological insulator 査読

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年3月

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年3月

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

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年12月

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

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

SCIENTIFIC REPORTS   8   2018年12月

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

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年12月

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

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

JOURNAL OF PHYSICS-CONDENSED MATTER   30 ( 45 )   2018年11月

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

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年9月

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

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年9月

強誘電体BaTiO₃薄膜の分極反転時における電子構造変化

押目 典宏, 狩野 旬, 池永 英司, 安井 伸太郎, 日隈 聡士, 池田 直, 濵嵜 容丞, 安原 颯, 横谷 尚睦, 伊藤 満, 藤井 達生, 保井 晃, 大沢 仁志

応用物理学会学術講演会講演予稿集   2018.2   1334 - 1334   2018年9月

分極効果で変調される強誘電体BaTiO₃薄膜の電子構造

押目 典宏, 狩野 旬, 池永 英司, 安井 伸太郎, 日隈 聡士, 池田 直, 濵嵜 容丞, 安原 颯, 横谷 尚睦, 伊藤 満, 藤井 達生, 保井 晃

応用物理学会学術講演会講演予稿集   2018.1   1434 - 1434   2018年3月

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年1月

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

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年1月

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

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年12月

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

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年12月

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

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年10月

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

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年10月

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

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年9月

BaTiO₃のバンドベンディング構造

押目 典宏, 狩野 旬, 池永 英司, 安井 伸太郎, 日隈 聡士, 池田 直, 濵嵜 容丞, 安原 颯, 横谷 尚睦, 伊藤 満, 藤井 達生, 保井 晃

応用物理学会学術講演会講演予稿集   2017.2   1242 - 1242   2017年8月

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

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年8月

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

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年7月

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

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

Physical Review B   95 ( 18 )   2017年5月

Electronic structure of K-doped picene film on HOPG 査読

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

JOURNAL OF PHYSICS-CONDENSED MATTER   29 ( 6 )   2017年2月

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

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年2月

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年1月

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

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年1月

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

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年

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

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年9月

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

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年7月

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

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年7月

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

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年6月

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

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年6月

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

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

THIN SOLID FILMS   599   125 - 132   2016年1月

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

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年

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

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年

19aBP-1 熱電変換物質SnSeの角度分解光電子分光

永山 貴将, 寺嶋 健成, 田中 将嗣, 小木曽 理, 高野 義彦, 森 仁志, 臼井 秀知, 黒木 和彦, 脇田 高徳, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   71   1441 - 1441   2016年

19pAJ-1 ハーフメタルCrO_2(001)膜表面の金属性

藤原 弘和, 砂川 正典, 寺嶋 健成, 永山 貴将, 橘高 朋子, 尾形 誠, 出田 真一郎, 田中 清尚, 脇田 高徳, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   71   2492 - 2492   2016年

21pBN-6 Sr_<2-x>La_xIrO_4の角度分解光電子分光

寺嶋 健成, 濱田 貴裕, 砂川 正典, 藤原 弘和, 藤井 政徳, 堀金 和正, 小林 夏野, 堀江 理恵, 秋光 純, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   71   2315 - 2315   2016年

Superconductivity in aromatic hydrocarbons 査読

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年7月

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

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

APPLIED PHYSICS LETTERS   106 ( 20 )   2015年5月

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

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年5月

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

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年2月

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

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

Appl. Phys. Lett.   2015年2月

16aDB-6 K_xFe_<2-y>Se_2の角度分解光電子分光II

砂川 正典, 寺嶋 健成, 濱田 貴裕, 藤原 弘和, 福良 哲司, 竹田 彩, 田中 将嗣, 竹屋 浩幸, 高野 義彦, 有田 将司, 島田 賢也, 生天目 博文, 谷口 雅樹, 鈴木 雄大, 臼井 秀知, 黒木 和彦, 脇田 高徳, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   1681 - 1681   2015年

18pCH-1 バルク敏感スピン分解光電子分光による強磁性金属CrO_2 の本質的な電子状態の解明

藤原 弘和, 砂川 正典, 寺嶋 健成, 橘高 朋子, 尾形 誠, 脇田 高徳, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   942 - 942   2015年

16pDA-7 Ln(O,F)BiS_2におけるフェルミ面形状と化学圧力効果 : 角度分解光電子分光

寺嶋 健成, 脇田 高徳, 砂川 正典, 藤原 弘和, 濱田 貴裕, 長尾 雅則, 綿打 敏司, 田中 功, 小野 寛太, 組頭 広志, 岡崎 宏之, 高野 義彦, 臼井 秀知, 黒木 和彦, 鈴木 雄大, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   1720 - 1720   2015年

16aAD-4 複鉄酸化物YbFe_2O_4のFe 3p-3d共鳴光電子分光

福良 哲司, 脇田 高徳, 竹田 彩, 寺嶋 健成, 藤原 孝将, 池田 直, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   2405 - 2405   2015年

17pCD-9 Ce(Os_<1-y>Re_y)_2Al_<10>の高分解能光電子分光

永山 貴将, 寺嶋 健成, 川端 丈, 山田 義大, 高畠 敏郎, 脇田 高徳, 村岡 祐治, 横谷 尚睦

日本物理学会講演概要集   70   1933 - 1933   2015年

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年

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

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年12月

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

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年12月

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

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年10月

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

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年9月

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

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

JAPANESE JOURNAL OF APPLIED PHYSICS   53 ( 5 )   2014年5月

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

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年3月

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

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年3月

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

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

PHYSICAL REVIEW B   88 ( 24 )   2013年12月

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

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

PHYSICAL REVIEW B   88 ( 24 )   2013年12月

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

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年7月

Magnetoelectric Effect Driven by Magnetic Domain Modification in LuFe2O4 査読

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

PHYSICAL REVIEW LETTERS   110 ( 11 )   2013年3月

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

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

Scientific Reports   3   2013年

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

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年10月

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

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

PHYSICAL REVIEW B   86 ( 1 )   2012年7月

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

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年6月

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

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年6月

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

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年5月

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

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年11月

Photoemission Study of Rh17S15 Superconductor 査読

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年7月

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

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年5月

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

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年5月

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

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

JOURNAL OF APPLIED PHYSICS   109 ( 4 )   2011年2月

Multiple phosphorus chemical sites in heavily phosphorus-doped diamond 査読

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年2月

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

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年

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

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年

Photoemission study of Ca-intercalated graphite superconductor CaC6 査読

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年12月

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

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

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   470   S641 - S643   2010年12月

Analysis on photoemission spectrum of superconducting FeSe 査読

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年12月

Electronic Structure of the Novel Filled Skutterudite PrPt4Ge12 Superconductor 査読

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年12月

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

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年11月

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

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年11月

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

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年8月

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

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

JOURNAL OF APPLIED PHYSICS   108 ( 4 )   2010年8月

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

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

ADVANCED FUNCTIONAL MATERIALS   20 ( 13 )   2046 - 2052   2010年7月

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

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

PHYSICAL REVIEW B   81 ( 18 )   2010年5月

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

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

JOURNAL OF APPLIED PHYSICS   107 ( 7 )   2010年4月

Kondo scaling of the pseudogap in CeOs4Sb12 and CeFe4P12 査読

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年3月

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

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年11月

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

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

APPLIED SURFACE SCIENCE   256 ( 4 )   948 - 949   2009年11月

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

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

PHYSICAL REVIEW B   80 ( 12 )   2009年9月

The electronic structure of Ca-intercalated superconducting graphite CaC6 査読

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年8月

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

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年8月

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

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年8月

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

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年7月

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

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年7月

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 査読

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年5月

Ishizaka et al. Reply 査読

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年5月

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

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年3月

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

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年3月

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

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年3月

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

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年3月

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

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年12月

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

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年12月

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

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年10月

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

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年4月

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

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年1月

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)) 査読

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年10月

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

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年10月

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

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

APPLIED SURFACE SCIENCE   254 ( 1 )   26 - 28   2007年10月

Charge-order-maximized momentum-dependent superconductivity 査読

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

NATURE PHYSICS   3 ( 10 )   720 - 725   2007年10月

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

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年10月

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

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年10月

Sub-meV resolution photoemission study on carbon substituted MgB2 査読

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年9月

Laser-photoemission study of antiferromagnetic superconductor ErNi2B2C 査読

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年9月

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

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年9月

Recent photoemission studies on MgB2 and related materials 査読

Shunsuke Tsuda, Takayoshi Yokoya, Shik Shin

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS   456 ( 1-2 )   126 - 133   2007年6月

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

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年5月

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

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年1月

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

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年

Electronic structures of heavily boron-doped superconducting diamond films 査読

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年

24pxA-2 軟X線光電子分光によるn型リンドープダイヤモンドの電子構造の研究(ダイヤモンド・Si超伝導,領域8,強相関係:高温超伝導,強相関f電子系など) 査読

岡崎 宏之, 山崎 聡, 高野 義彦, 石井 聡, 小口 多美夫, 横谷 尚睦, 室 隆桂之, 中村 哲也, 松下 智裕, 脇田 高徳, 村岡 祐治, 平井 正明, 加藤 宙光

日本物理学会講演概要集   62 ( 0 )   665 - 665   2007年

24pXA-1 高濃度ホウ素ドープダイヤモンドの軟X線光電子分光(ダイヤモンド・Si超伝導,領域8,強相関係:高温超伝導,強相関f電子系など) 査読

岡崎 宏之, 石井 聡, 入山 慎吾, 川原田 洋, 横谷 尚睦, 室 隆桂之, 中村 哲也, 松下 智裕, 脇田 高徳, 村岡 祐治, 平井 正明, 高野 義彦

日本物理学会講演概要集   62 ( 0 )   665 - 665   2007年

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

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年12月

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

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年10月

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

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年9月

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

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年6月

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

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年5月

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

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年3月

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

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年2月

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

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年1月

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

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年1月

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

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年

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

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

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

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

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年

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

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年

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

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年12月

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

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

NATURE   438 ( 7068 )   647 - 650   2005年12月

Temperature-dependent luttinger surfaces 査読

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

PHYSICAL REVIEW LETTERS   95 ( 24 )   2005年12月

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

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年10月

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

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年8月

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

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年8月

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

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年8月

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

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年7月

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

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

PHYSICAL REVIEW B   72 ( 2 )   2005年7月

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

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

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   144   1249 - 1252   2005年6月

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

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年6月

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

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

PHYSICAL REVIEW B   71 ( 14 )   2005年4月

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

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年4月

Absence of strong correlation in Li 2Pd 3B 査読

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

Physical Review B - Condensed Matter and Materials Physics   71 ( 9 )   2005年3月

Absence of strong correlation in Li2Pd3B 査読

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

PHYSICAL REVIEW B   71 ( 9 )   2005年3月

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

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年2月

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

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年1月

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

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年1月

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年12月

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

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

PHYSICAL REVIEW B   70 ( 23 )   2004年12月

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

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年11月

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

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年11月

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

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

PHYSICAL REVIEW B   70 ( 15 )   2004年10月

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

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年10月

Electronic structure and large thermoelectric power in Ca3Co4O9 査読

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年7月

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

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

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   137   663 - 668   2004年7月

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

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年6月

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

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年5月

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

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年5月

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

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年5月

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

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

PHYSICAL REVIEW LETTERS   92 ( 14 )   2004年4月

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

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年3月

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

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

PHYSICAL REVIEW B   69 ( 10 )   2004年3月

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

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年3月

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)) 査読

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年

Comparative study of the electronic structure of MgB2 and ZrB2 査読

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年11月

Comparative study of the electronic structure of MgB2 and ZrB2 査読

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

PHYSICAL REVIEW B   68 ( 17 )   2003年11月

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

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年10月

X-ray absorption and resonant photoemission spectroscopy of ZrB2 査読

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年10月

Definitive experimental evidence for two-band superconductivity in MgB2 査読

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

PHYSICAL REVIEW LETTERS   91 ( 12 )   2003年9月

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

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年7月

Photoemission results of intermetallic superconductors: Nb3Al and MgB2 査読

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年12月

Ultrahigh resolution photoemission study of CeRu4Sb12 査読

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

J. Phys. Chem. Solids   63   1175 - 1178   2002年12月

Photoemission study of pyrochlore superconductor Cd2Re2O7 査読

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年7月

Superconducting transitions studied by ultrahigh-resolution photoemission 査読

T Yokoya, T Kiss, A Chainani, S Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   124 ( 2-3 )   99 - 105   2002年7月

Photoemission study of pyrochlore superconductor Cd2Re2O7 査読

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

PHYSICAL REVIEW B   66 ( 1 )   2002年7月

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

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年7月

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

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年7月

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

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年6月

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

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

PHYSICAL REVIEW B   65 ( 22 )   2002年6月

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年5月

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

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

PHYSICAL REVIEW B   65 ( 20 )   2002年5月

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

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年4月

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

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年4月

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

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年3月

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

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

PHYSICA B-CONDENSED MATTER   312   666 - 667   2002年3月

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

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

PHYSICA B-CONDENSED MATTER   312   600 - 602   2002年3月

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年1月

Electronic structure of the filled skutterudite compound CeRu4Sb12 査読

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

PHYSICAL REVIEW B   65 ( 4 )   2002年1月

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年

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

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年

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

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

SCIENCE   294 ( 5551 )   2518 - 2520   2001年12月

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年11月

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年11月

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

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

PHYSICAL REVIEW B   64 ( 18 )   2001年11月

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

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

PHYSICAL REVIEW B   64 ( 17 )   2001年11月

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

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

PHYSICAL REVIEW LETTERS   87 ( 17 )   2001年10月

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 査読

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

PHYSICAL REVIEW B   64 ( 15 )   2001年10月

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

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年6月

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

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年3月

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

T Kiss, T Yokoya, A Chainani, S Shin

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   114   635 - 639   2001年3月

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

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年3月

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

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年1月

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

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年1月

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

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年

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年12月

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年11月

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

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

PHYSICA B   281   284 - 285   2000年6月

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

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年

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年

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年

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年

Ti–O Hybridization Effect on Ferroelectric Phase Transition of BaTiO3

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

Japanese journal of applied physics. Pt. 1, Regular papers & short notes   38 ( 9 )   5667 - 5669   1999年9月

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年1月

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年1月

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年1月

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年1月

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年

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年

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年

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

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

Proc. 6th Int. Conf. Quasicrystals   595 - 598   1998年12月

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年3月

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年

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年

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年

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年

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年11月

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年3月

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

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

PHYSICAL REVIEW LETTERS   78 ( 11 )   2272 - 2272   1997年3月

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年

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年

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年

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年

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年

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年

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年

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年

Yokoya et al. Reply

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

Physical Review Letters   78 ( 11 )   2272   1997年

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年