2010 Fiscal Year Final Research Report
Angle resolved photoelectron spectroscopy study of hidden order and magnetic states in uranium compounds
| Project/Area Number |
21740271
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Condensed matter physics II
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| Research Institution | Japan Atomic Energy Agency |
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Principal Investigator |
FUJIMORI Shin-ichi 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究副主幹 (70343936)
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| Project Period (FY) |
2009 – 2010
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| Keywords | 強相関系 / 光物性 |
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| Research Abstract |
The ordered states such as magnetism in uranium based compounds have been one of the central issues in condensed matter physics. Especially, the hidden order state observed in Uru_2Si_2 has been attracting much attention for more than 25 years. In the present study, we have performed angle-resolved photoelectron spectroscopy, which is a powerful tool to understand electronic structure of materials, to understand the origin of those ordered states. We have found that U 5f electrons, which are responsible for those ordered states, have an itinerant character. This is very important basis for the understanding of these ordered states.
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[Journal Article] Electronic Structure of Heavy Fermion Uranium Compounds Studied by Core-Level Photoelectron Spectroscopy2012
Author(s)
Shin-ichi Fujimori, Takuo Ohkochi, Ikuto Kawasaki, Akira Yasui, Yukiharu Takeda, Tetsuo Okane, Yuji Saitoh, Atsushi Fujimori, Hiroshi Yamagami, Yoshinori Haga, Etsuji Yamamoto, Yoshifumi Tokiwa, Shugo Ikeda, Takashi Sugai, Hitoshi Ohkuni, Noriaki Kimura, Yoshichika Onuki
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Journal Title
J. Phys. Soc. Jpn.
Volume: 81
Pages: 014703-1-014703-9
DOI
Peer Reviewed
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