Koichiro Yaji

J-GLOBAL         Last updated: Jul 23, 2019 at 11:01
 
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Name
Koichiro Yaji
E-mail
yajiissp.u-tokyo.ac.jp
Affiliation
The University of Tokyo
Section
The Institute for Solid State Physics

Research Areas

 
 

Academic & Professional Experience

 
Sep 2010
 - 
Today
research associate, Institute for Solid State Physics, University of Tokyo
 
Apr 2008
 - 
Aug 2010
Postdoctoral Researcher, Graduate School of Science, Kyoto Univeristy
 
Apr 2006
 - 
Mar 2008
Postdoctoral Researcher, Institute for Solid State Physics, University of Tokyo
 
Apr 2002
 - 
Jan 2003
TDK Corporation
 

Education

 
Apr 2003
 - 
Mar 2006
Department of Physical Science, Graduate School of Science, Hiroshima University
 

Awards & Honors

 
Oct 2018
Spin polarization of photoelectron emitted from spin-orbit coupled surface states investigated by laser-SARPES, Best poster prize, 14th International Conference on Electronic Spectroscopy and Structure
 
Oct 2009
Rashba spin splitting of metallic surface state for 4/3-monolayer Pb/Ge(111), Best poster prize
 

Published Papers

 
Yaji Koichiro, Visikovskiy Anton, Iimori Takushi, Kuroda Kenta, Hayashi Singo, Kajiwara Takashi, Tanaka Satoru, Komori Fumio, Shin Shik
PHYSICAL REVIEW LETTERS   122(12)    Mar 2019   [Refereed]
Noguchi R, Takahashi T, Kuroda K, Ochi M, Shirasawa T, Sakano M, Bareille C, Nakayama M, Watson MD, Yaji K, Harasawa A, Iwasawa H, Dudin P, Kim TK, Hoesch M, Kandyba V, Giampietri A, Barinov A, Shin S, Arita R, Sasagawa T, Kondo T
Nature      Feb 2019   [Refereed]
Zhang Peng, Wang Zhijun, Wu Xianxin, Yaji Koichiro, Ishida Yukiaki, Kohama Yoshimitsu, Dai Guangyang, Sun Yue, Bareille Cedric, Kuroda Kenta, Kondo Takeshi, Okazaki Kozo, Kindo Koichi, Wang Xiancheng, Jin Changqing, Hu Jiangping, Thomale Ronny, Sumida Kazuki, Wu Shilong, Miyamoto Koji, Okuda Taichi, Ding Hong, Gu G. D., Tamegai Tsuyoshi, Kawakami Takuto, Sato Masatoshi, Shin Shik
NATURE PHYSICS   15(1) 41-+   Jan 2019   [Refereed]
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)    Dec 2018   [Refereed]
Nakamura Takuto, Ohtsubo Yoshiyuki, Yamashita Yuki, Ideta Shin-ichiro, Tanaka Kiyohisa, Yaji Koichiro, Harasawa Ayumi, Shin Shik, Komori Fumio, Yukawa Ryu, Horiba Koji, Kumigashira Hiroshi, Kimura Shin-ichi
PHYSICAL REVIEW B   98(7)    Aug 2018   [Refereed]
Yaji Koichiro, Harasawa Ayumi, Kuroda Kenta, Li Ronghan, Yan Binghai, Komori Fumio, Shin Shik
PHYSICAL REVIEW B   98(4)    Jul 2018   [Refereed]
Kuroda Kenta, Yaji Koichiro, Harasawa Ayumi, Noguchi Ryo, Kondo Takeshi, Komori Fumio, Shin Shik
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS   (136)    Jun 2018   [Refereed]
Zhang Peng, Yaji Koichiro, Hashimoto Takahiro, Ota Yuichi, Kondo Takeshi, Okazaki Kozo, Wang Zhijun, Wen Jinsheng, Gu G. D., Ding Hong, Shin Shik
SCIENCE   360(6385) 182-+   Apr 2018   [Refereed]
矢治 光一郎, 黒田 健太, 小森 文夫, 辛 埴
光学 = Japanese journal of optics : publication of the Optical Society of Japan   47(4) 142-147   Apr 2018   [Refereed]
Yaji Koichiro, Yukawa Ryu, Kim Sunghun, Ohtsubo Yoshiyuki, Le Fevre Patrick, Bertran Francois, Taleb-Ibrahimi Amina, Matsuda Iwao, Nakatsuji Kan, Shin Shik, Komori Fumio
JOURNAL OF PHYSICS-CONDENSED MATTER   30(7)    Feb 2018   [Refereed]

Misc

 
小森文夫, 飯盛拓嗣, 宮町俊生, 矢治光一郎, 中島修平, 林信吾, VISIKOVSKY Anton, 梶原隆司, 中辻寛, 白澤徹郎, 間瀬一彦, 間瀬一彦, 田中悟
KEK Progress Report (Web)   (2018-7) ROMBUNNO.262 (WEB ONLY)   Dec 2018
鍋平直輝, 伊藤孝寛, 伊藤孝寛, 仲武昌史, 出田真一郎, 田中清尚, 矢治光一郎, 辛埴
日本物理学会講演概要集(CD-ROM)   73(2) ROMBUNNO.11pA116‐6   Sep 2018
野口亮, 黒田健太, 矢治光一郎, 原沢あゆみ, 飯盛拓嗣, 小森文夫, 辛埴, 近藤猛
日本物理学会講演概要集(CD-ROM)   73(2) ROMBUNNO.12aC116‐10   Sep 2018
野口亮, 高橋敬成, 黒田健太, 越智正之, 白澤徹郎, BAREILLE C., 坂野昌人, 中山充大, WATSON M., 矢治光一郎, 原沢あゆみ, 岩澤英明, DUDIN P., KIM T., HOESCH M., 辛埴, 有田亮太郎, 有田亮太郎, 笹川崇男, 近藤猛
日本物理学会講演概要集(CD-ROM)   73(2) ROMBUNNO.9pPSA‐47   Sep 2018
藤原弘和, 寺嶋健成, 脇田高徳, 矢野佑幸, 細田渉, 片岡範之, 照屋淳志, 垣花将司, 辺土正人, 仲間隆男, 大貫惇睦, 矢治光一郎, 原沢あゆみ, 黒田健太, 辛埴, 堀場弘司, 組頭広志, 村岡祐治, 村岡祐治, 横谷尚睦, 横谷尚睦
日本物理学会講演概要集(CD-ROM)   73(2) ROMBUNNO.11pB206‐3   Sep 2018

Conference Activities & Talks

 
矢治光一郎, 湯川龍, KIM S., 大坪嘉之, 大坪嘉之, 大坪嘉之, LE FEVRE Patrick, BERTRAN Francois, TALEB‐IBRAHIMI Amina, 松田巌, 中辻寛, 辛埴, 小森文夫
日本物理学会講演概要集(CD-ROM)   21 Sep 2018   
矢治光一郎, 黒田健太, 小森文夫, SHIN Shik
光学   10 Apr 2018   
Yaji K., Harasawa A., Kuroda K., Yan B., Komori F., Shin S.
Meeting Abstracts of the Physical Society of Japan   2017   
Yaji Koichiro, Kuroda Kenta, Harasawa Ayumi, Kobayashi Katsuyoshi, Komori Fumio, Shin Shik
Meeting Abstracts of the Physical Society of Japan   2017   
<p>Pb/Ge(111)の表面電子状態について,レーザースピン分解光電子分光を行った。鏡映面上ではラシュバ効果で予想される方向にスピンベクトルは向くが,軌道の対称・非対称成分でそのスピン偏極度の符号は反転することを見出した。また,入射光の電場ベクトルをp偏光やs偏光といった理想的な条件からずらすと,ラシュバスピン偏極方向以外にもスピン偏極成分が現れる。光の入射角依存性が光電子スピンに及ぼす影響についても言及する。</p>
Toyohisa S., Yaji K., Harasawa A., Kuroda K., Watanabe S., Chen Chuangtian, Iimori T., Shin S., Komori F.
Meeting Abstracts of the Physical Society of Japan   2016   

Research Grants & Projects

 
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research (KAKENHI), Scientific Research (C)
Project Year: Apr 2018 - Mar 2021    Investigator(s): Koichiro Yaji
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research (KAKENHI), Scientific Young Research (B)
Project Year: Apr 2015 - Mar 2018    Investigator(s): Koichiro Yaji
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research (KAKENHI), Scientific Young Research (B)
Project Year: Apr 2012 - Mar 2014    Investigator(s): Koichiro Yaji
Study of phase transition for 0.5ML Sn/Cu(001)
Project Year: Jul 2007       Investigator(s): Koichiro Yaji
The electronic structure of chromium chalcogenides Cr1-X studied by soft x-ray magnetic circular dichroism
Project Year: Nov 2004       Investigator(s): Koichiro Yaji