Instability of Co Spin Moment in ErCo2 Probed by Magnetic Compton Scattering under High Pressure
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概要
- 論文の詳細を見る
Magnetic Compton scattering at high pressure is presented for the first time. To study the pressure-induced magnetic transition in Laves-phase ErCo2, Er 4f and Co 3d spin magnetic moments, together with the conduction electron component, were separately and quantitatively estimated at pressures up to 1.84 GPa. The Co 3d spin moments show a remarkable reduction with increasing pressure, which is in contrast to the weak pressure variation of the Er 4f spin moment. The relationship between the magnetic transition and instability of the Co 3d moment at high pressure is discussed from the viewpoint of lattice contraction and the molecular field of Er 4f moments.
- 2011-09-15
著者
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Kawamura Naomi
Japan Synchrotron Radiation Research Institute
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Ishimatsu Naoki
Department Of Physical Science Graduate School Of Science Hiroshima University
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Itou Masayoshi
Japan Synchrotron Radiation Research Institute (jasri)
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Maruyama Hiroshi
Department Of General Thoracic Surgery Juntendo University
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Sakurai Yoshiharu
Japan Synchrotron Radiation Research Institute
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Watanabe Shinji
Department Of Applied Physics University Of Tokyo
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Ishimatsu Naoki
Department of Physics, Graduate School of Science, Hiroshima University, Higashihiroshima, Hiroshima 739-8526, Japan
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KOBAYASHI Hisao
Graduate School and Faculty of Science, University of Hyogo
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Kawamura Naomi
Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan
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Itou Masayoshi
Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan
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Sakurai Yoshiharu
Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan
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Watanabe Shinji
Department of Physics, Graduate School of Science, Hiroshima University, Higashihiroshima, Hiroshima 739-8526, Japan
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