Shimada Kenya

J-GLOBAL         Last updated: Sep 16, 2019 at 02:40
 
Avatar
Name
Shimada Kenya
E-mail
kshimadahiroshima-u.ac.jp
Affiliation
Hiroshima University
Degree
Ph.D.(The University of Tokyo), Master of Science(The University of Tokyo)
Research funding number
10284225
ORCID ID
0000-0002-1945-2352

Profile

By means of high-resolution angle-resolved photoemission spectroscopy using synchrotron radiation in the UV and VUV region at Hiroshima Synchrotron Radiation Center, I clarify the electronic states of solids such as magnets and superconductors, and try to understand origins of physical properties.

Research Areas

 
 

Academic & Professional Experience

 
Apr 2017
   
 
Director, Hiroshima Synchrotron Radiation Center, Hiroshima University
 
Mar 2010
   
 
Professor, Hiroshima Synchrotron Radiation Center, Hiroshima University
 
Oct 2002
 - 
Feb 2010
Associate Professor, Hiroshima Synchrotron Radiation Center, Hiroshima University
 
Apr 1996
 - 
Sep 2002
Research Associate (Assistant Professor), Hiroshima Synchrotron Radiation Center, Hiroshima University
 

Education

 
Apr 1993
 - 
Mar 1996
Department of Physics, Graduate School of Science, The University of Tokyo
 
Apr 1987
 - 
Mar 1991
Department of Physics, Faculty of Science, The University of Tokyo
 

Published Papers

 
Baojie Feng, Run-Wu Zhang, Ya Feng, Botao Fu, Shilong Wu, Koji Miyamoto, Shaolong He, Lan Chen, Kehui Wu, Kenya Shimada, Taichi Okuda, and Yugui Yao
PHYSICAL REVIEW LETTERS   123(11) 116401-1-116401-6   Sep 2019   [Refereed]
Shaozhu Xiao, Darren C. Peets, Wei Liu, Shiju Zhang, Ya Feng, Wen-He Jiao, Guang-Han Cao, Eike F. Schwier, Kenya Shimada, Cong Li, Xingjiang Zhou, and Shaolong He
PHYSICAL REVIEW B   100(5) 054510-1-054510-2   Aug 2019   [Refereed]
Baojie Feng, Hui Zhou, Ya Feng, Hang Liu, Shaolong He, Iwao Matsuda, Lan Chen, Eike F. Schwier, Kenya Shimada, Sheng Meng and Kehui Wu
PHYSICAL REVIEW LETTERS   122(19) 196801-1-196801-6   May 2019   [Refereed]
Arkadeb Pal, Surajit Ghosh, Amish G. Joshi, Shiv Kumar, Swapnil Patil, Prince K. Gupta, Prajyoti Singh, V. K. Gangwar, P. Prakash, Ranjan K. Singh, Eike F. Schwier, M. Sawada, K. Shimada, A. K. Ghosh, Amitabh Das, and Sandip Chatterjee
JOURNAL OF PHYSICS: CONDENSED MATTER   31(27) 275802-1-275802-10   Apr 2019   [Refereed]
Arkadeb Pal, Surajit Ghosh, Shiv Kumar, Eike F. Schwier, Masahiro Sawada, Kenya Shimada, Mukul Gupta, D.M. Phase, A.K. Ghosh, Sandip Chatterjee
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS   476 7-17   Apr 2019   [Refereed]
A. M. Shikin, D. A. Estyunin, Yu. I. Surnin, A. V. Koroleva, E. V. Shevchenko, K. A. Kokh, O. E . Tereshchenko, S. Kumar, E. F. Schwier, K. Shimada, T. Yoshikawa, Y. Saitoh, Y. Takeda, A. Kimura
SCIENTIFIC REPORTS   9 4813-1-4813-17   Mar 2019   [Refereed]
Hiroto Shiono, Suzuna Ishihara, Kojiro Mimura, Hitoshi Sato, Eike F. Schwier, Kenya Shimada, Masaki Taniguchi, Shin-ichiro Ideta, Kiyohisa Tanaka, Tao Zhuang, Keisuke T. Matsumoto, Koichi Hiraoka and Hiroaki Anzai
AIP Conference Proceedings   2054 040013-1-040013-4   Jan 2019   [Refereed]
E. F. Schwier, H. Takita, W. Mansur, A. Ino, M. Hoesch, M. D. Watson, A. A. Haghighirad and K. Shimada
AIP Conference Proceedings   2054 040017-1-040017-6   Jan 2019   [Refereed]
Moritz Hoesch, Liam Gannon, Kenya Shimada, Benjamin J. Parrett, Matthew D. Watson, Timur K. Kim, Xiangde Zhu, and Cedomir Petrovic
PHYSICAL REVIEW LETTERS   122(1) 017601-1-017601-5   Jan 2019   [Refereed]
Hideaki Iwasawa, Hitoshi Takita, Kazuki Goto, Wumiti Mansuer, Takeo Miyashita, Eike F. Schwier, Akihiro Ino, Kenya Shimada, Yoshihiro Aiura
SCIENTIFIC REPORTS   8 17431-1-17431-9   Nov 2018   [Refereed]
Kenan Zhang, Xiaoyu Liu, Haoxiong Zhang, Ke Deng, Mingzhe Yan, Wei Yao, Mingtian Zheng, Eike F. Schwier, Kenya Shimada, Jonathan D. Denlinger, Yang Wu, Wenhui Duan, and Shuyun Zhou
PHYSICAL REVIEW LETTERS   121(20) 206402-1-206402-5   Nov 2018   [Refereed]
Yoshihiro Aiura, Kenichi Ozawa, Eike F. Schwier, Kenya Shimada, and Kazuhiko Mase
THE JOURNAL OF PHYSICAL CHEMISTRY C   122(34) 19661-19669   Aug 2018   [Refereed]
Baojie Feng, Jin Cao, Meng Yang, Ya Feng, Shilong Wu, Botao Fu, Masashi Arita, Koji Miyamoto, Shaolong He, Kenya Shimada, Youguo Shi, Taichi Okuda, and Yugui Yao
PHYSICAL REVIEW B   97(15) 155153-1-155153-7   Apr 2018   [Refereed]
P. Eickholt, J. Noky, E. F. Schwier, K. Shimada, K. Miyamoto, T. Okuda, C. Datzer, M. Drüppel, P. Krüger, M. Rohlfing and M. Donath
PHYSICAL REVIEW B   97(16) 165130-1-165130-9   Apr 2018   [Refereed]
E. Annese, T. Okuda, E. F. Schwier, H. Iwasawa, K. Shimada, M. Natamane, M. Taniguchi, I. P. Rusinov, S. V. Eremeev, K. A. Kokh, V. A. Golyashov, O. E. Tereshchenko, E. V. Chulkov, and A. Kimura
PHYSICAL REVIEW B   97(20) 205113-1-205113-6   Mar 2018   [Refereed]
M. Taguchi, H. Yamaoka, Y. Yamamoto, H. Sakurai, N. Tsujii, M. Sawada, N. Tsujii, H. Daimon, K. Shimada, and J. Mizuki
PHYSICAL REVIEW B   96(24) 245113-1-245113-6   Dec 2017   [Refereed]
Hitoshi Yamaoka, Patrik Thunström, Naohito Tsujii, Kenichi Katoh, Yoshiya Yamamoto, Eike F. Schwier, Kenya Shimada, Hideaki Iwasawa, Masashi Arita, Ignace Jarrige, Nozomu Hiraoka, Hirofumi Ishii, Ku-Ding Tsuei and Jun'ichiro Mizuki
JOURNAL OF PHYSICS: CONDENSED MATTER   29 475502-1-475502-9   Nov 2017   [Refereed]
Baojie Feng, Botao Fu, Shusuke Kasamatsu, Suguru Ito, Peng Cheng, Cheng-Cheng Liu, Ya Feng, Shilong Wu, Sanjoy K. Mahatha, Polina Sheverdyaeva, Paolo Moras, Masashi Arita, Osamu Sugino, Tai-Chang Chiang, Kenya Shimada, Koji Miyamoto, Taichi Okuda, Kehui Wu, Lan Chen, Yugui Yao, and Iwao Matsuda
NATURE COMMUNICATIONS   8 1007-1-1007-6   Oct 2017   [Refereed]
S. Ishihara, K. Ichiki, K. Abe, T. Matsumoto, K. Mimura, H. Sato, M. Arita, E. F. Schwier, H. Iwasawa, K. Shimada, H. Namatame, M. Taniguchi, T. Zhuang, K. Hiraoka, H. Anzai
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   220 66-68   Oct 2017   [Refereed]
H. Sato, H. Nagata, F. Iga, Y. Osanai, K. Mimura, A. Rosuli, H. Anzai, K. Ichiki, S. Ueda, T. Takabatake, A. Kondo K. Kindo, K. Shimada, H. Namatame, M. Taniguchi
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   220 33-36   Oct 2017   [Refereed]
Katsuya Ichiki, Takayuki Matsumoto, Hiroaki Anzai, Ryohei Takeshita, Kodai Abe, Suzuna Ishihara, Takayuki Uozumi, Hitoshi Sato, Awabaikeli Rousuli, Shigenori Ueda, Yukihiro Taguchi, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Suguru Hamano, Akihiro Mitsuda, Hirofumi Wada and Kojiro Mimura
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   220 28-32   Oct 2017   [Refereed]
Awabaikeli Rousuli, Shogo Nakamura, Hitoshi Sato, Takuya Ueda, Yuji Matsumoto, Shigeo Ohara, Eike F. Schwier, Toshiki Nagasaki, Kojiro Mimura, Hiroaki Anzai, Katsuya Ichiki, Shigenori Ueda, Kenya Shimada, Hirofumi Namatame, and Masaki Taniguchi
PHYSICAL REVIEW B   96(4) 045117-1-045117-7   Jul 2017   [Refereed]
Katsuya Ichiki, Kojiro Mimura, Hiroaki Anzai, Takayuki Uozumi, Hitoshi Sato, Yuki Utsumi, Shigenori Ueda, Akihiro Mitsuda, Hirofumi Wada, Yukihiro Taguchi, Kenya Shimada, Hirofumi Namatame, and Masaki Taniguchi
PHYSICAL REVIEW B   96(4) 045106-1-045106-7   Jul 2017   [Refereed]
H. Iwasawa, K. Shimada, E. F. Schwier, M. Zheng, Y. Kojima, H. Hayashi, J. Jiang, M. Higashiguchi, Y. Aiura, H. Namatame and M. Taniguchi
JOURNAL OF SYNCHROTRON RADIATION   24(4) 836-841   Jul 2017   [Refereed]
A rotatable high-resolution angle-resolved photoemission spectroscopy (ARPES) system has been developed to utilize tunable linear-polarization geometries on the linear undulator beamline (BL-1) at Hiroshima Synchrotron Radiation Center. By rotatin...
Hideaki Iwasawa, Eike Fabian Schwier, Masashi Arita, Akihiro Ino, Hirofumi Namatame, Masaki Taniguchi, Yoshihiro Aiura, Kenya Shimada
ULTRAMICROSCOPY   182 85-91   Jun 2017   [Refereed]
Takashi Komesu, Iori Tanabe, Duy Le, Eike F. Schwier, Yohei Kojima, Mingtian Zheng, Kazuaki Taguchi, Koji Miyamoto, Taichi Okuda, Hideaki Iwasawa, Kenya Shimada, Talat S. Rahman, Peter A. Dowben
JOURNAL OF PHYSICS: CONDENSED MATTER   29(28) 285501-1-285501-7   Jun 2017   [Refereed]
We have investigated the influence of metal adsorbates (sodium and cobalt) on the occupied
and unoccupied electronic structure of MoS2(0 0 0 1) and WSe2(0 0 0 1), through a combination of both photoemission and inverse photoemission. The electroni...
A. Rousuli, H. Sato, F. Iga, K. Hayashi, K. Ishii, T. Wada, T. Nagasaki, K. Mimura, H. Anzai, K. Ichiki, S. Ueda, A. Kondo, K. Kindo, T. Takabatake, K. Shimada, H. Namatame and M. Taniguchi
JOURNAL OF PHYSICS: CONDENSED MATTER   29(26) 265601-1-265601-7   May 2017   [Refereed]
Tomáš Ducho, Marie Aulická, Eike F. Schwier, Hideaki Iwasawa, Chuanlin Zhao, Ye Xu, Kateřina Veltruská, Kenya Shimada, and Vladimír Matolín
PHYSICAL REVIEW B   95(16) 165124-1-165124-5   Apr 2017   [Refereed]
H. Anzai, K. Ichiki, E. F. Schwier, H. Iwasawa, K. Shimada, H. Namatame, M. Taniguchi, A. Mitsuda, H. Wada and K. Mimura
Journal of Physics: Conf. Series   807 012006-1-012006-5   Apr 2017   [Refereed]
Dongjoon Song, Garam Han, Wonshik Kyung, Jeongjin Seo, Soohyun Cho, Beom Seo Kim, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Y. Yoshida, H. Eisaki, Seung Ryong Park, and C. Kim
PHYSICAL REVIEW LETTERS   118(13) 137001-1-137001-5   Mar 2017   [Refereed]
Hiroaki Anzai, Katuya Ichiki, Eike F. Schwier, Hideaki Iwasawa, Masashi Arita, Hitoshi Sato, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Akihiro Mitsuda, Hirofumi Wada, Kojiro Mimura
14(6) 1600185-1-1600185-3   Mar 2017   [Refereed]
Hitoshi Sato, Yuki Utsumi, Kenichi Katoh, Kojiro Mimura, Shigenori Ueda, Hitoshi Yamaoka, Awabaikeli Rousuli, Masahi Arita, Kazunori Umeo, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi
PHYSICA STATUS SOLIDI C   14(6) 1600164-1-1600164-4   Feb 2017   [Refereed]
Junfeng He, Thomas R. Mion, Shang Gao, Gavin T. Myers, Masashi Arita, Kenya Shimada, G. D. Gu, and Rui-Hua He
APPLIED PHYSICS LETTERS   109(18) 182601-1-182601-5   Nov 2016   [Refereed]
R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa, K. Shimada, E.F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M. Taniguchi, and I. Matsuda
PHYSICAL REVIEW B   94(16) 165313-1-165313-5   Oct 2016   [Refereed]
Hitoshi Yamaoka, Yoshiya Yamamoto, Eike F. Schwier , Naohito Tsujii, Masahiro Yoshida, Yu Ohta, Hiroya Sakurai, Jung-Fu Lin, Nozomu Hiraoka, Hirofumi Ishii, Ku-Ding Tsuei, Masashi Arita, Kenya Shimada, and Jun'ichiro Mizuki
PHYSICAL REVIEW B   94(16) 165156-1-165156-5   Oct 2016   [Refereed]
Takashi Komesu, Xin Huang, Tula R. Paudel, Yaroslav B. Losovyj, Xin Zhang, Eike F. Schwier, Yohei Kojima, Mingtian Zheng, Hideaki Iwasawa, Kenya Shimada, Makhsud I. Saidaminov, Dong Shi, Ahmed Abdelhady, Osman M. Bakr, Shuai Dong, Evgeny Y. Tsymbal, and Peter A. Dowben
JOURNAL OF PHYSICAL CHEMISTRY C   120(38) 21710-21715   Aug 2016   [Refereed]
T. Sugimoto, D. Ootsuki, E. Paris, A. Iadecola, M. Salome, E. F. Schwier, H. Iwasawa, K. Shimada, T. Asano, R. Higashinaka, T. D. Matsuda, Y. Aoki, N. L. Saini, and T. Mizokawa
PHYSICAL REVIEW B   94(8) 081106-1-081106-5   Aug 2016   [Refereed]
K. Miyamoto, H. Wortelen, H. Mirhosseini, T. Okuda, A. Kimura, H. Iwasawa, K. Shimada, J. Henk, and M. Donath
PHYSICAL REVIEW B   93(16) 161403-1-161403-5   Apr 2016   [Refereed]
Sunagawa, Masanori;Terashima, Kensei;Hamada, Takahiro;Fujiwara, Hirokazu;Fukura, Tetsushi;Takeda, Aya;Tanaka, Masashi;Takeya, Hiroyuki;Takano, Yoshihiko;Arita, Masashi;Shimada, Kenya;Namatame, Hirofumi;Taniguchi, Masaki;Suzuki, Katsuhiro;Usui, Hidetomo;Kuroki, Kazuhiko;Wakita, Takanori;Muraoka, Yuji;Yokoya, Takayoshi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   85(7)    2016   [Refereed]
One of the ultimate goals of the study of iron-based superconductors is to identify the common feature that produces the high critical temperature (T-c). In the early days, based on a weak-coupling viewpoint, the nesting between hole-and electron-...
Tanabe, Iori;Komesu, Takashi;Le, Duy;Rawal, Takat B.;Schwier, Eike F.;Zheng, Mingtian;Kojima, Yohei;Iwasawa, Hideaki;Shimada, Kenya;Rahman, Talat S.;Dowben, Peter A.
JOURNAL OF PHYSICS-CONDENSED MATTER   28(34) 345503-1-345503-10   2016   [Refereed]
Yamaoka, H.; Yamamoto, Y.; Schwier, E. F.; Honda, F.; Zekko, Y.; Ohta, Y.; Lin, J. -F.; Nakatake, M.; Iwasawa, H.; Arita, M.; Shimada, K.; Hiraoka, N.; Ishii, H.; Tsuei, K. -D.; Mizuki, J.
PHYSICAL REVIEW B   92(23)    Dec 2015   [Refereed]
Pressure- and temperature-induced changes in the Ce valence and c- f hybridization of the Ce115 superconductors have been studied systematically. Resonant x-ray-emission spectroscopy indicated that the increase of the Ce valence with pressure was ...
Yao, Wei; Wang, Eryin; Deng, Ke; Yang, Shuzhen; Wu, Wenyun; Fedorov, Alexei V.; Mo, Sung-Kwan; Schwier, Eike F.; Zheng, Mingtian; Kojima, Yohei; Iwasawa, Hideaki; Shimada, Kenya; Jiang, Kaili; Yu, Pu; Li, Jia; Zhou, Shuyun
PHYSICAL REVIEW B   92(11)    Sep 2015   [Refereed]
Epitaxial growth of graphene on transition metal substrates is an important route for obtaining large scale graphene. However, the interaction between graphene and the substrate often leads to multiple orientations, distorted graphene band structu...
Kim, Y. K.; Koh, Y. Y.; Kyung, W. S.; Han, G. R.; Lee, B.; Kim, Kee Hoon; Ok, J. M.; Kim, Jun Sung; Arita, M.; Shimada, K. et al.
PHYSICAL REVIEW B   92(4)    Jul 2015   [Refereed]
A well-known universal feature among iron pnictide superconductors is the correlation between the As-Fe-As bonding angle and the superconducting transition temperature. However, the origin of such a correlation has not been clearly understood desp...
Sugimoto, T.; Ootsuki, D.; Morice, C.; Artacho, E.; Saxena, S. S.; Schwier, E. F.; Zheng, M.; Kojima, Y.; Iwasawa, H.; Shimada, K. et al.
PHYSICAL REVIEW B   92(4)    Jul 2015   [Refereed]
We have investigated the electronic structure of BiS2-based CeO0.5F0.5BiS2 superconductor using polarization-dependent angle-resolved photoemission spectroscopy (ARPES), and succeeded in elucidating the orbital characters on the Fermi surfaces. In...
Wang, Yeliang; Li, Linfei; Yao, Wei; Song, Shiru; Sun, J. T.; Pan, Jinbo; Ren, Xiao; Li, Chen; Okunishi, Eiji; Wang, Yu-Qi et al.
NANO LETTERS   15(6) 4013-4018   Jun 2015   [Refereed]
Single-layer transition-metal dichalcogenides (TMDs) receive, significant attention due to their intriguing physical properties for both fundamental research and potential applications in electronics, optoelectronics, spintronics, catalysis, and s...
He, Junfeng; Hogan, T.; Mion, Thomas R.; Hafiz, H.; He, Y.; Denlinger, J. D.; Mo, S-K.; Dhital, C.; Chen, X.; Lin, Qisen et al.
NATURE MATERIALS   14(6) 577-U54   Jun 2015   [Refereed]
Negative compressibility is a sign of thermodynamic instability of open(1-3) or non-equilibrium(4,5) systems. In quantum materials consisting of multiple mutually coupled subsystems, the compressibility of one subsystem can be negative if it is co...
Seibel, Christoph; Maass, Henriette; Bentmann, Hendrik; Braun, Juergen; Sakamoto, Kazuyuki; Arita, Masashi; Shimada, Kenya; Minar, Jan; Ebert, Hubert; Reinert, Friedrich
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   201 110-114   May 2015   [Refereed]
The electronic structure of the Sb2Te3(0 0 0 1) surface exhibits a spin-orbit split surface state in a local energy gap of the projected bulk valence band continuum. We investigate this surface state by high-resolution angle-resolved photoemission...
Hitoshi Sato, Yuki Utsumi, Junichi Kodama, Heisuke Nagata, Marcos A. Avila, Raquel A. Ribeiro, Kazunori Umeo, Toshiro Takabatake, Kojiro Mimura, Satoru Motonami, Hiroaki Anzai, Shigenori Ueda, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi
Phys. Status Solidi C   12 620-623   Apr 2015
Yamaoka, Hitoshi; Schwier, Eike F.; Arita, Masashi; Shimada, Kenya; Tsujii, Naohito; Jarrige, Ignace; Jiang, Jian; Hayashi, Hirokazu; Iwasawa, Hideaki; Namatame, Hirofumi et al.
PHYSICAL REVIEW B   91(11) 115139-1   Mar 2015   [Refereed]
The electronic structure of Ce3Pd20X6 (X = Si, Ge) has been studied using detailed density functional theory (DFT) calculations and high-resolution photoelectron spectroscopy (PES) measurements. The orbital decomposition of the electronic structur...
Hitoshi Sato, Yuki Utsumi, Junichi Kodama, Masashi Arita, Hiroaki Anzai, Kojiro Mimura, Kenya Shimada, Shigenori Ueda, Naohito Tsujii, Hirofumi Namatame and Masaki Taniguchi
Journal of Physics: Conference Series   592 012016-1-012016-5   Mar 2015   [Refereed]
Seibel, Christoph; Bentmann, Hendrik; Braun, Juergen; Minar, Jan; Maass, Henriette; Sakamoto, Kazuyuki; Arita, Masashi; Shimada, Kenya; Ebert, Hubert; Reinert, Friedrich
PHYSICAL REVIEW LETTERS   114(6)    Feb 2015   [Refereed]
The surface state of a Z(2) topological insulator connects with the conduction and valence band continua of the bulk, thereby bridging the band gap of the volume. We investigate this connection of the surface and hulk electronic structure for Sb2T...
Xu Min; Wang Li-Min; Peng Rui; Ge Qing-Qin; Chen Fei; Ye Zi-Rong; Zhang Yan; Chen Su-Di; Xia Miao; Liu Rong-Hua et al.
CHINESE PHYSICS LETTERS   32(2)    Feb 2015   [Refereed]
Employing the angle-resolved photoemission spectroscopy, we study the electronic structure of TaFe1.23Te3, a two-leg spin ladder compound with a novel antiferromagnetic ground state. Quasi-two-dimensional (2D) Fermi surface is observed, with sizab...
Ruzicka, J.; Caha, O.; Holy, V.; Steiner, H.; Volobuiev, V.; Ney, A.; Bauer, G.; Duchon, T.; Veltruska, K.; Khalakhan, I. et al.
NEW JOURNAL OF PHYSICS   17    Jan 2015   [Refereed]
Weshow that in manganese-doped topological insulator bismuth telluride layers, Mnatoms are incorporated predominantly as interstitials in the van der Waals gaps between the quintuple layers and not substitutionally on Bi sites within the quintuple...
Komesu, Takashi; Duy Le; Zhang, Xin; Ma, Quan; Schwier, Eike F.; Kojima, Yohei; Zheng, Mingtian; Iwasawa, Hideaki; Shimada, Kenya; Taniguchi, Masaki et al.
APPLIED PHYSICS LETTERS   105(24)    Dec 2014   [Refereed]
The influence of sodium on the band structure of MoS2(0001) and the comparison of the experimental band dispersion with density functional theory show excellent agreement for the occupied states (angle-resolved photoemission) and qualitative agree...
Komesu, Takashi; Le, Duy; Ma, Quan; Schwier, Eike F.; Kojima, Yohei; Zheng, Mingtian; Iwasawa, Hideaki; Shimada, Kenya; Taniguchi, Masaki; Bartels, Ludwig et al.
JOURNAL OF PHYSICS-CONDENSED MATTER   26(45)    Nov 2014   [Refereed]
We find a wave vector dependence of the band symmetries for MoS2(0 0 0 1) in angle-resolved photoemission. The band structures are found to be significantly different for states of even and odd reflection parities, despite the absence of true mirr...
Yi, Hemian; Wang, Zhijun; Chen, Chaoyu; Shi, Youguo; Feng, Ya; Liang, Aiji; Xie, Zhuojin; He, Shaolong; He, Junfeng; Peng, Yingying et al.
SCIENTIFIC REPORTS   4    Aug 2014   [Refereed]
The three-dimensional topological semimetals represent a new quantum state of matter. Distinct from the surface state in the topological insulators that exhibits linear dispersion in two-dimensional momentum plane, the three-dimensional semimetals...
JPS Conference Proceedings   3 013015   Jun 2014   [Refereed]
Mulazzi, M.; Shimada, K.; Jiang, J.; Iwasawa, H.; Reinert, F.
PHYSICAL REVIEW B   89(20)    May 2014   [Refereed]
We report on the electronic structure of a clean, well ordered CePd7 surface alloy that was grown in a unique (root 5 x root 5)R26.6 degrees structure, as evidenced by low-energy electron diffraction and Auger electron spectroscopy. Resonant photo...
Fukutani, Keisuke; Hayashi, Hirokazu; Scott, Thomas T.; Nagata, Yorito; Horike, Taiki; Jiang, Jian; Iwasawa, Hideaki; Shimada, Kenya; Losovyj, Yaroslav B.; Dowben, Peter A.
JOURNAL OF PHYSICS-CONDENSED MATTER   26(15)    Apr 2014   [Refereed]
We report the experimental identification of a symmetry-protected surface state on Mo(1 1 2). The utilization of photon-energy-and polarization-dependent angle-resolved photoemission spectroscopy clearly demonstrates that this true surface state p...
Xu, H. C.; Xu, M.; Peng, R.; Zhang, Y.; Ge, Q. Q.; Qin, F.; Xia, M.; Ying, J. J.; Chen, X. H.; Yu, X. L. et al.
PHYSICAL REVIEW B   89(15)    Apr 2014   [Refereed]
The electronic structure of BaTi2As2O, a parent compound of the newly discovered titanium-based oxypnictide superconductors, is studied by angle-resolved photoemission spectroscopy and first-principles calculation. The experimental electronic stru...
Sunagawa, Masanori; Ishiga, Toshihiko; Tsubota, Koji; Jabuchi, Taihei; Sonoyama, Junki; Iba, Keita; Kudo, Kazutaka; Nohara, Minoru; Ono, Kanta; Kumigashira, Hiroshi et al.
SCIENTIFIC REPORTS   4    Mar 2014   [Refereed]
Unconventional Cooper pairing originating from spin or orbital fluctuations has been proposed for iron-based superconductors. Such pairing may be enhanced by quasi-nesting of two-dimensional electron and hole-like Fermi surfaces (FS), which is con...
JPS Conference Proceedings   1 012017(4p)   Mar 2014   [Refereed]
JPS Conference Proceedings   1 012116 (4p)   Mar 2014   [Refereed]
Jiang, J.; Tsirkin, S. S.; Shimada, K.; Iwasawa, H.; Arita, M.; Anzai, H.; Namatame, H.; Taniguchi, M.; Sklyadneva, I. Yu; Heid, R. et al.
PHYSICAL REVIEW B   89(8)    Feb 2014   [Refereed]
Using high-resolution angle-resolved photoemission spectroscopy, we elucidate the Rashba splitting of Delta k(F) = 0.003 angstrom(-1) near the Fermi level (E-F) in the Shockley surface state of Cu(110) at the (Y) over bar point of the surface Bril...
Plumb, N. C.; Reber, T. J.; Iwasawa, H.; Cao, Y.; Arita, M.; Shimada, K.; Namatame, H.; Taniguchi, M.; Yoshida, Y.; Eisaki, H. et al.
NEW JOURNAL OF PHYSICS   15    Nov 2013   [Refereed]
Ultrahigh resolution angle-resolved photoemission spectroscopy with low-energy photons is used to study the detailed momentum dependence of the well-known nodal 'kink' dispersion anomaly of Bi2Sr2CaCu2O8+delta . We find that the kink's location tr...
Koh, Yoonyoung; Cho, Soohyun; Lee, Joon; Yang, Le-Xian; Zhang, Yan; He, Cheng; Chen, Fei; Feng, Dong-Lai; Arita, Masashi; Shimada, Kenya et al.
JAPANESE JOURNAL OF APPLIED PHYSICS   52(10)    Oct 2013   [Refereed]
There has been renewed interest in transition metal dichalcogenides (TMDs) as electronic materials. The modification of the electronic structures of TMDs by means of metal intercalation would be of interest in that respect. With this motivation, w...
Physica Status Solidi C   10(7-8) 989-992   Aug 2013   [Refereed]
Physica Status Solidi C   10(7-8) 1001-1004   Aug 2013   [Refereed]
Ye, Mao; Kuroda, Kenta; Takeda, Yukiharu; Saitoh, Yuji; Okamoto, Kazuaki; Zhu, Si-Yuan; Shirai, Kaito; Miyamoto, Koji; Arita, Masashi; Nakatake, Masashi et al.
JOURNAL OF PHYSICS-CONDENSED MATTER   25(23)    Jun 2013   [Refereed]
We have found a perpendicular magnetic anisotropy of iron adatoms on a surface of the prototypical three-dimensional topological insulator Bi2Se3 by using x-ray magnetic circular dichroism measurements. The orbital magnetic moment of Fe is strongl...
Iwasawa, Hideaki; Yoshida, Yoshiyuki; Hase, Izumi; Shimada, Kenya; Namatame, Hirofumi; Taniguchi, Masaki; Aiura, Yoshihiro
SCIENTIFIC REPORTS   3    May 2013   [Refereed]
Clarifying the coupling between electrons and bosonic excitations (phonons or magnetic fluctuations) that mediate the formation of Cooper pairs is pivotal to understand superconductivity. Such coupling effects are contained in the electron self-en...
Wiessner, M.; Ziroff, J.; Forster, F.; Arita, M.; Shimada, K.; Puschnig, P.; Schoell, A.; Reinert, F.
NATURE COMMUNICATIONS   4    Feb 2013   [Refereed]
Charge carrier mobilities in molecular condensates are usually small, as the coherent transport, which is highly effective in conventional semiconductors, is impeded by disorder and the small intermolecular coupling. A significant band dispersion ...
Hayashi, Hirokazu; Shimada, Kenya; Jiang, Jian; Iwasawa, Hideaki; Aiura, Yoshihiro; Oguchi, Tamio; Namatame, Hirofumi; Taniguchi, Masaki
PHYSICAL REVIEW B   87(3)    Jan 2013   [Refereed]
In this study, we investigate the electronic structure and electron self-energy of palladium single crystals using polarization-dependent high-resolution angle-resolved photoemission spectroscopy. The observed Fermi surfaces and energy-band disper...
Fukutani, Keisuke; Hayashi, Hirokazu; Yakovkin, Ivan N.; Habuchi, Takafumi; Hirayama, Daisuke; Jiang, Jian; Iwasawa, Hideaki; Shimada, Kenya; Losovyj, Ya. B.; Dowben, Peter A.
PHYSICAL REVIEW B   86(20)    Nov 2012   [Refereed]
A detailed investigation of the electronic structure and electron-phonon coupling for a Au monolayer on the Mo(112) surface is presented. The electronic states of bulk Mo and the (112) surface-derived states are seen to strongly hybridize with tho...
Okamoto, K.; Kuroda, K.; Miyahara, H.; Miyamoto, K.; Okuda, T.; Aliev, Z. S.; Babanly, M. B.; Amiraslanov, I. R.; Shimada, K.; Namatame, H. et al.
PHYSICAL REVIEW B   86(19)    Nov 2012   [Refereed]
Spin polarization of a topological surface state for GeBi2Te4, the newly discovered three-dimensional topological insulator, has been studied by means of state-of-the-art spin- and angle-resolved photoemission spectroscopy. It has been revealed th...
Miyamoto, K.; Kimura, A.; Okuda, T.; Shimada, K.; Iwasawa, H.; Hayashi, H.; Namatame, H.; Taniguchi, M.; Donath, M.
PHYSICAL REVIEW B   86(16)    Oct 2012   [Refereed]
The C-2v symmetry of the W(110) surface influences strongly the spin-polarized Dirac-cone-like surface state within a spin-orbit-induced symmetry gap. We present a detailed angle-resolved photoemission study with s- and p-polarized light along thr...
Utsumi, Yuki; Sato, Hitoshi; Ohara, Shigeo; Yamashita, Tetsuro; Mimura, Kojiro; Motonami, Satoru; Shimada, Kenya; Ueda, Shigenori; Kobayashi, Keisuke; Yamaoka, Hitoshi et al.
PHYSICAL REVIEW B   86(11)    Sep 2012   [Refereed]
We have performed hard x-ray photoemission spectroscopy (HAXPES) for Yb-based Kondo lattice compounds; an antiferromagnetic heavy-fermion system YbNi3Al9 and a valence fluctuation system YbNi3Ga9. The Yb 3d(5/2) spectra of YbNi3Ga9 showed both Yb2...
Yakovkin, Ivan N.; Fukutani, Keisuke; Hayashi, Hirokazu; Jiang, Jian; Horike, Taiki; Nagata, Yorito; Habuchi, Takafumi; Hirayama, Daisuke; Iwasawa, Hideaki; Shimada, Kenya et al.
PHYSICAL REVIEW B   86(12)    Sep 2012   [Refereed]
A comprehensive examination of the Fermi surface of Mo(112) is presented. The Fermi surface contours for the Mo(112) surface, obtained by density functional theory calculations, agree well with the direct observations via angle-resolved photoemiss...
Yamaoka, Hithoshi; Thunstrom, Patrik; Tsujii, Naohito; Jarrige, Ignace; Shimada, Kenya; Arita, Masashi; Iwasawa, Hideaki; Hayashi, Hirokazu; Jiang, Jian; Namatame, Hirofumi et al.
PHYSICAL REVIEW B   86(8)    Aug 2012   [Refereed]
We have examined the electronic structure of the heavy fermion Yb2Pd2Sn in comparison with the superconductor YbPd2Sn by means of high-resolution photoelectron spectroscopy (PES) and resonant x-ray emission spectroscopy (RXES). The PES data are in...
Iwasawa, H.; Yoshida, Y.; Hase, I.; Shimada, K.; Namatame, H.; Taniguchi, M.; Aiura, Y.
PHYSICAL REVIEW LETTERS   109(6)    Aug 2012   [Refereed]
We reveal a high-energy anomaly" (HEA) in the band dispersion of the unconventional ruthenate superconductor Sr2RuO4, by means of high-resolution angle-resolved photoemission spectroscopy (ARPES) with tunable energy and polarization of incident ph...
Ye, M.; Eremeev, S. V.; Kuroda, K.; Krasovskii, E. E.; Chulkov, E. V.; Takeda, Y.; Saitoh, Y.; Okamoto, K.; Zhu, S. Y.; Miyamoto, K. et al.
PHYSICAL REVIEW B   85(20)    May 2012   [Refereed]
Quasiparticle interference induced by cobalt adatoms on the surface of the topological insulator Bi2Se3 is studied by scanning tunneling microscopy, angle-resolved photoemission spectroscopy, and x-ray magnetic circular dichroism. It is found that...
Kuroda, K.; Miyahara, H.; Ye, M.; Eremeev, S. V.; Koroteev, Yu M.; Krasovskii, E. E.; Chulkov, E. V.; Hiramoto, S.; Moriyoshi, C.; Kuroiwa, Y. et al.
PHYSICAL REVIEW LETTERS   108(20)    May 2012   [Refereed]
The experimental evidence is presented of the topological insulator state in PbBi2Te4. A single surface Dirac cone is observed by angle-resolved photoemission spectroscopy with synchrotron radiation. Topological invariants Z(2) are calculated from...
Kim, Beomyoung; Kim, Choong H.; Kim, Panjin; Jung, Wonsig; Kim, Yeongkwan; Koh, Yoonyoung; Arita, Masashi; Shimada, Kenya; Namatame, Hirofumi; Taniguchi, Masaki et al.
PHYSICAL REVIEW B   85(19)    May 2012   [Refereed]
We performed angle-resolved photoemission studies on Cu(111) and Au(111) surface states with circularly polarized light to investigate local orbital angular momentum (OAM) structures. Existence of OAM is confirmed, as predicted, to exist in system...
Fukutani, Keisuke; Hayashi, Hirokazu; Yakovkin, Ivan N.; Paudel, Tula R.; Habuchi, Takafumi; Hirayama, Daisuke; Jiang, Jian; Iwasawa, Hideaki; Shimada, Kenya; Wu, Ning et al.
PHYSICAL REVIEW B   85(15)    Apr 2012   [Refereed]
We present a comprehensive examination of the occupied surface-weighted band structure of Mo(112) along the two high-symmetry directions of the surface Brillouin zone, both from theoretical and experimental perspectives. The band structures are fo...
Shimojima, T.; Sakaguchi, F.; Ishizaka, K.; Ishida, Y.; Malaeb, W.; Yoshida, T.; Ideta, S.; Fujimori, A.; Kiss, T.; Okawa, M. et al.
SOLID STATE COMMUNICATIONS   152(8) 695-700   Apr 2012   [Refereed]
We investigate the k(z) dispersion in the hole Fermi surfaces (FSs) and the superconducting (SC) gaps of BaFe2(As0.65P0.35)(2) by employing bulk-sensitive angle-resolved photoemission spectroscopy (ARPES) with low energy photons. We find that this...
Schwab, H.; Mulazzi, M.; Jiang, J.; Hayashi, H.; Habuchi, T.; Hirayama, D.; Iwasawa, H.; Shimada, K.; Reinert, F.
PHYSICAL REVIEW B   85(12)    Mar 2012   [Refereed]
The crystal and electronic structures of the CePt5 and CeAgx surface alloys have been investigated by means of low-energy electron diffraction and angle-resolved photoelectron spectroscopy. From measurements performed near the 4d-4f absorption edg...
Yamaoka, Hitoshi; Thunstrom, Patrik; Jarrige, Ignace; Shimada, Kenya; Tsujii, Naohito; Arita, Masashi; Iwasawa, Hideaki; Hayashi, Hirokazu; Jiang, Jian; Habuchi, Takafumi et al.
PHYSICAL REVIEW B   85(11)    Mar 2012   [Refereed]
We performed a high-resolution photoelectron spectroscopy study on the Kondo metals SmSn3 and Sm0.9La0.1Sn3. The experimental results are compared with calculations of density of state performed within the local density approximation plus the dyna...
Miyamoto, K.; Kimura, A.; Kuroda, K.; Okuda, T.; Shimada, K.; Namatame, H.; Taniguchi, M.; Donath, M.
PHYSICAL REVIEW LETTERS   108(6)    Feb 2012   [Refereed]
The surface of W(110) exhibits a Dirac-cone-like state with d character within a spin-orbit-induced symmetry gap. As a function of the wave vector parallel to the surface, it shows a nearly massless energy dispersion and a pronounced spin polariza...
Park, Seung Ryong; Han, Jinhee; Kim, Chul; Koh, Yoon Young; Kim, Changyoung; Lee, Hyungjun; Choi, Hyoung Joon; Han, Jung Hoon; Lee, Kyung Dong; Hur, Nam Jung et al.
PHYSICAL REVIEW LETTERS   108(4)    Jan 2012   [Refereed]
We performed angle-resolved photoemission (ARPES) experiments with circularly polarized light and first-principles density functional calculation with spin-orbit coupling to study surface states of a topological insulator Bi2Se3. We observed circu...
Jung, Wonsig; Kim, Yeongkwan; Kim, Beomyoung; Koh, Yoonyoung; Kim, Chul; Matsunami, Masaharu; Kimura, Shin-ichi; Arita, Masashi; Shimada, Kenya; Han, Jung Hoon et al.
PHYSICAL REVIEW B   84(24)    Dec 2011   [Refereed]
We performed angle-resolved photoemission (ARPES) experiments on Bi2Te3 with circularly polarized light. ARPES data show very strong circular dichroism, indicating the existence of orbital angular momentum (OAM). Moreover, the alignment of OAMis f...
Dauth, M.; Koerzdoerfer, T.; Kuemmel, S.; Ziroff, J.; Wiessner, M.; Schoell, A.; Reinert, F.; Arita, M.; Shimada, K.
PHYSICAL REVIEW LETTERS   107(19)    Nov 2011   [Refereed]
The experimental imaging of electronic orbitals has allowed one to gain a fascinating picture of quantum effects. We here show that the energetically high-lying orbitals that are accessible to experimental visualization in general differ, dependin...
Jiang, J.; Shimada, K.; Hayashi, H.; Iwasawa, H.; Aiura, Y.; Namatame, H.; Taniguchi, M.
PHYSICAL REVIEW B   84(15)    Oct 2011   [Refereed]
We examined the dimensionless coupling parameters of many-body interactions for a free-electron-like surface-derived state in Al(100) by means of high-resolution angle-resolved photoemission spectroscopy. A kink structure was found to exist in the...
Utsumi, Yuki; Sato, Hitoshi; Kurihara, Hidenao; Maso, Hiroyuki; Hiraoka, Koichi; Kojima, Kenichi; Tobimatsu, Komei; Ohkochi, Takuo; Fujimori, Shin-ichi; Takeda, Yukiharu et al.
PHYSICAL REVIEW B   84(11)    Sep 2011   [Refereed]
We have studied conduction-band (CB) electronic states of a typical valence-transition compound YbInCu4 by means of temperature-dependent hard x-ray photoemission spectroscopy (HX-PES) of the Cu 2p(3/2) and In 3d(5/2) core states taken at hv = 5.9...
Kim, Sunghun; Ye, M.; Kuroda, K.; Yamada, Y.; Krasovskii, E. E.; Chulkov, E. V.; Miyamoto, K.; Nakatake, M.; Okuda, T.; Ueda, Y. et al.
PHYSICAL REVIEW LETTERS   107(5)    Jul 2011   [Refereed]
We have performed scanning tunneling microscopy and differential tunneling conductance (dI/dV) mapping for the surface of the three-dimensional topological insulator Bi2Se3. The fast Fourier transformation applied to the dI/dV image shows an elect...
Arita, M.; Shimada, K.; Utsumi, Y.; Morimoto, O.; Sato, H.; Namatame, H.; Taniguchi, M.; Hadano, Y.; Takabatake, T.
PHYSICAL REVIEW B   83(24)    Jun 2011   [Refereed]
We have performed a photoemission and inverse photoemission spectroscopic study of a narrow-gap semiconductor FeGa3, in order to characterize the occupied and unoccupied electronic states. The energy-gap size was found to be similar to 0.4 eV, and...
Klein, M.; Nuber, A.; Schwab, H.; Albers, C.; Tobita, N.; Higashiguchi, M.; Jiang, J.; Fukuda, S.; Tanaka, K.; Shimada, K. et al.
PHYSICAL REVIEW LETTERS   106(18)    May 2011   [Refereed]
We report on the results of a high-resolution angle-resolved photoemission study on the ordered surface alloy CePt5. The temperature dependence of the spectra show the formation of the coherent low-energy heavy-fermion band near the Fermi level. T...
Mimura, Kojiro; Uozumi, Takayuki; Ishizu, Takahiko; Motonami, Satoru; Sato, Hitoshi; Utsumi, Yuki; Ueda, Shigenori; Mitsuda, Akihiro; Shimada, Kenya; Taguchi, Yukihiro et al.
JAPANESE JOURNAL OF APPLIED PHYSICS   50(5)    May 2011   [Refereed]
We have studied the electronic structure of EuPd2Si2 by hard X-ray photoelectron spectroscopy (HX-PES) from 300 to 20 K. The temperature-dependent HX-PES spectra clearly show the valence transition, namely, the intensities of the divalent and triv...
He, C.; Zhang, Y.; Wang, X. F.; Jiang, J.; Chen, F.; Yang, L. X.; Ye, Z. R.; Wu, Fan; Arita, M.; Shimada, K. et al.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   72(5) 479-482   May 2011   [Refereed]
The electronic structure and orbital characters of iron-pnictide NaFeAs have been studied by polarization dependent angle-resolved photoemission spectroscopy. Some of the bands are mixed with the orbitals of opposite symmetries, which could be int...
Shimojima, T.; Sakaguchi, F.; Ishizaka, K.; Ishida, Y.; Kiss, T.; Okawa, M.; Togashi, T.; Chen, C. -T.; Watanabe, S.; Arita, M. et al.
SCIENCE   332(6029) 564-567   Apr 2011   [Refereed]
The origin of superconductivity in the iron pnictides has been attributed to antiferromagnetic spin ordering that occurs in close combination with a structural transition, but there are also proposals that link superconductivity to orbital orderin...
Saitoh, T.; Iwasawa, H.; Kurahashi, K.; Nakano, Y.; Katsufuji, T.; Hase, I.; Shimada, K.; Namatame, H.; Taniguchi, M.
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA   184(3-6) 232-235   Apr 2011   [Refereed]
We have investigated spin-doping effects on the valence-band electronic structure of Sr1-(x+y)Lax+yTi1-xCrxO3 at y = 0.2 using high-resolution photoemission spectroscopy and first-principles band structure calculations. The Cr 3d photoemission spe...

Books etc

 
Kyoritsu Shuppan   Oct 2013   ISBN:ISBN978-320-03374-0
Kenya Shimada (Part:Joint Work)
Apr 2007   ISBN:9783540681304

Conference Activities & Talks

 
Electronic structure around the X-point of Ni studied by ARPES and DFT+(U, J, mu)
Kenya Shimada
International Workshop on Strong Correlations and Angle-Resolve Photoemission Spectroscopy (CORPES19)   15 Jul 2019   
Evaluation of the electronic states in solids by high-resolution ARPES [Invited]
Kenya Shimada
Workshop on the Progresses in Electron Spectroscopy   25 Jan 2016   
Recent progress of high-resolution ARPES at HiSOR [Invited]
Kenya Shimada
The 26th Synchrotron Radiation User's Workshop & KOSUA   20 Nov 2014   
Evaluation of many-body interactions in metals by high-resolution ARPES [Invited]
Kenya Shimada
CCP9/CECAM Workshop Electronic excitations and photoelectron spectroscopy: bridging theory and experiment   23 Jul 2013   
Material Science using Synchrotron Radiation in the VUV-SX region: Scientific opportunities at HiSOR [Invited]
Kenya Shimada
NCRL@b-Hiroshima Univ. Joint Workshop   1 Dec 2011   

Research Grants & Projects

 
Murata Science Foundation: Conference Grant
Project Year: 2018 - 2018    Investigator(s): Kenya Shimada
Inoue Foundation for Science: 
Project Year: 2017 - 2017    Investigator(s): Kenya Shimada
We organized the International workshop on strong correlations and angle-resolved photoemission spectroscopy (CORPES17), which was held in Hiroshima city, from July 2 to July 7, 2017.
Electric Technology Research Foundation of Chugoku: 
Project Year: 2017 - 2017    Investigator(s): Kenya Shimada
We organized the International workshop on strong correlations and angle-resolved photoemission spectroscopy (CORPES17), which was held in Hiroshima city, from July 2 to July 7, 2017.
Project Year: 2015   
JSPS: Grant-in-Aid for JSPS Fellows
Project Year: Oct 2013 - Mar 2015    Investigator(s): Eike F. Schwier