Resonant Magnetic X-ray Diffraction Study on Successive Metamagnetic Transitions in TbB_4(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
スポンサーリンク
概要
- 論文の詳細を見る
Resonant magnetic x-ray diffraction experiments on the Shastry-Sutherland lattice TbB_4 were carried out under pulsed magnetic fields up to 30T at 8K. TbB_4 exhibits a multi-step magnetization process above 16T below about 20K when magnetic fields are applied along the c-axis. We examined the intensity of the 010 magnetic reflection as a function of magnetic field and found that the magnetization plateau phases are accompanied by large XY components of magnetic moments. We propose novel magnetic structures which consist of XY spins and Ising spins for the plateau phases. We also propose that energy level crossing and its inherent degeneracy give rise to the successive metamagnetic transitions in TbB_4.
- 2009-03-15
著者
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MURAKAMI Youichi
Department of Physics, Tohoku University
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INAMI Toshiya
Synchrotron Radiation Research Unit, Japan Atomic Energy Agency
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OKUYAMA Daisuke
Department of Physics, Graduate School of Science, Tohoku University
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村上 洋一
高エネルギー加速器研究機構・物質構造科学研究所・構造物性研究センター
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OHWADA Kenji
Synchrotron Radiation Research Unit, Japan Atomic Energy Agency
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MATSUDA Yasuhiro
Institute for Materials Research, Tohoku University
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OUYANG Zhoung
Institute for Materials Research, Tohoku University
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NOJIRI Hiroyuki
Institute for Materials Research, Tohoku University
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MATSUMURA Takeshi
ADSM, Hiroshima University
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Ohoyama Kenji
Synchrotron Radiation Research Unit Japan Atomic Energy Agency
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Inukai Takaki
Department Of Physics Graduate School Of Science Tohoku University
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Inami Toshiya
Synchrotron Radiation Research Unit Japan Atomic Energy Agency
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Inami Toshiya
Synchrotron Radiation Research Center Jaeri
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Matsumura Takeshi
Adsm Hiroshima University
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Murakami Youichi
Department Of Physics Tohoku University:synchrotron Radiation Research Center
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Okuyama Daisuke
Department Of Physics Faculty Of Science Tohoku University:(present Office)cross-correlated Material
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Murakami Youichi
Department Of Physics Tohoku University
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Matsumura T
Adsm Hiroshima University
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Nojiri Hiroyuki
Institute For Material Research Tohoku University
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Nojiri Hiroyuki
Institute For Materials Research Tohoku University
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Ohwada Kenji
Synchrotron Radiation Research Center (spring-8) Quantum Beam Science Directorate Japan Atomic Energ
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Ouyang Zhoung
Institute For Materials Research Tohoku University
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Ohwada Kenji
Synchrotron Radiation Research Unit Japan Atomic Energy Agency
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Matsuda Yasuhiro
Institute For Materials Chemistry And Engineering Kyushu University
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Matsuda Yasuhiro
Institute For Materials Research Tohoku University:(present Office)institute For Solid State Physics
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Murakami Youichi
Graduate School Of Science Tohoku University
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Nowatari Hiromi
Graduate School Of Science And Engineering Saitama University
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Murakami Youichi
Department Of Aerospace Engineering College Of Engineering Osaka Prefecture University
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Nakao Hironori
Tohoku Univ. Sendai
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Murakami Youichi
Institute For Materials Research Tohoku University:(present Office)institute For Solid State Physics
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Okuyama Daisuke
Department Of Physics Faculty Of Science Tohoku University:(present Office)cross-correlated Material
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