Magnetic Properties of Binary and Pseudobinary U-Au Heavy Fermion Systems
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概要
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We report systematical measurements of specific heat, electrical resistivity and magnetization on heavy-fermion antiferromagnets U_<14>Au_<51-x>Cu_x(0≦x≦9) and UAu_3 and a paramagnet UAu_2 in wide temperature and magnetic field ranges. The linear-like decrease of T_N of U_<14>Au_<51-x>Cu_x with x, corresponding to the decrease of the lattice constants, is interpreted as a chemical pressure effect. The high field magnetization process of U_<14>Au_<51-x>Cu_x at 4.2K exhibits a metamagnetic-like jump around 25, 23 and 14 T for x=0, 3 and 9, respectively. The heavy fermion ground states of U_<14>Au_<51> and UAu_3 have been studied by specific heat measurements down to 0.5K in magnetic fields upto 8T.
- 社団法人日本物理学会の論文
- 1994-09-15
著者
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GOTO Tsuneaki
Institute for Solid State Physics,University of Tokyo
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Katori Aruga
Institute for Solid State Physics, University of Tokyo
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Nishikawa Takashi
Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol
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NISHIOKA Takashi
Department of Material Science, Faculty of Science, Kochi University
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Goto Tsuneaki
Institute For Solid State Physics The University Of Tokyo
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Goto T
Univ. Tokyo Chiba
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Nishikawa Takashi
Department Of Physics Faculty Of Science Nagoya University
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Nishioka Takashi
Faculty Of Science Kochi University
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Nishioka Takashi
Department Of Materials Science Faculty Of Science Kochi University
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Nishioka Takashi
Department Of Physics Faculty Of Science Nagoya University
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Nishioka Takashi
Department Of Physics Nagoya University
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Nishioka Takashi
Department Of Physics Graduate School Of Science Nagoya University
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KONTANI Masaaki
Department of Physics,Faculty of Science,Nagoya University
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Goto Tsuneaki
The Institute Of Solid State Physics Tokyo University
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Nishioka Takashi
Department Of Applied Physics Graduate School Of Engineering Osaka City University
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Hamaguchi Yoshitaka
Department of Physics, Faculty of Science, Nagoya University
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Matsui Hisayuki
Department of Nuclear Engineering, Nagoya University
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Nishioka T
Department Of Materials Science Faculty Of Science Kochi University
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Kontani M
Department Of Physics Graduate School Of Science Nagoya University
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Matsui Hisayuki
Department Of Nuclear Engineering Nagoya University
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Kontani Masaaki
Department Of Physics Faculty Of Science Nagoya University
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Matsui H
Tohoku Univ.
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Katori Aruga
Institute For Solid State Physics University Of Tokyo
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Hamaguchi Yoshitaka
Department Of Physics Faculty Of Science Nagoya University
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