Valece of Eu Ion in Eu_3Ir_4Sn_<13> at Low Temperatures
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概要
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To investigate the 4f magnetic state of E1l3Il74SIll3, we have measured the magnetization andspecific-heat below the antiferromagnetic (AF ) transition temperature 'Z'N : 10 K in the magneticfield along [100] and [110] axis. The magnetic entropy approaching Rln8 indicates 24 valence ofEu ton at low temperatures. The existence of antiferromagnetic short-range interaction above V'Nis inferred from suppressed magnetic entropy at Tg. The observed nuclear specific heat is mainlyattributable to Eu nucleus. The electronic specific heat coefficient 7 decreases continuously withincreasing field, while the magnetic specific heat is enhanced around the metamagnetic trarnsitionfi.ld .f B. = 2.8T f.. U7[too].
- 社団法人日本物理学会の論文
- 1996-04-15
著者
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SUGAWARA Hitoshi
Department of Physics, Tokyo Metropolitan University
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Aoki Yuji
Department Of Chemistry Faculty Of Science Gakushuin University
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Fukuhara T
Department Of Liberal Arts And Sciences Toyama Prefectural University
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Fukuhara Tadashi
Department Of Liberal Arts And Science Toyama Prefectural University
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Fukuhara Tadashi
Toyama Prefectural University
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Fukuhara Tadashi
Department De Recherche Fundamentals Sur La Matiere Condense Spsms Cea-ceng
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Sato Hideyuki
Department Of Cardiology Osaka University Graduate School Of Medicine
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Sato Hideyuki
Department Of Applied Chemistry Faculty Of Science And Technology Keio University
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Fukuhara Tadashi
Department of Liberal Arts and Sciences, Toyama Prefectural University
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SUGAWARA Hitoshi
Department of Mathematical and Natural Sciences, Faculty of Integrated Arts and Sciences, The University of Tokushima
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Sugawara Hitoshi
Department of General Internal Medicine, Omiya Medical Center, Jichi Medical University
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