Hybridization Effects on Conduction-Electron Polarization and Two-Ion Coupling in PrCu_2Si_2
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概要
- 論文の詳細を見る
The temperature dependence and the anisotropy of the magnetic susceptibility and the Knight shifts have been measured in PrCu_2Si_2 and GdCu_2Si_2 with magnetically aligned powder samples. For GdCu_2Si_2, the isotropic s-f exchange model provides a good description of its magnetic properties, but in PrCu_2Si_2 an anisotropic two-ion coupling has been found. It has been revealed that the hyperfine coupling at the Si sites is enhanced in PrCu_2Si_2, thereby suggesting preferential hybridization of the f-electrons with the Si valence electrons. This effect is responsible for the unusually high Neel temperature of PrCu_2Si_2.
- 社団法人日本物理学会の論文
- 1995-04-15
著者
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YASUOKA Hiroshi
Institute for Solid State Physics,University of Tokyo
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Sampathkumaran E.V.
Tata IFR
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OHAMA Tetsuo
Institute for Solid State Physics, University of Tokyo
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Yasuoka Hiroshi
Institute For Chemistry Research Kyoto University
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Sampathkumaran V.
Tata Institute Of Fundamental Research
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Ohama Tetsuo
Institute For Solid State Physics University Of Tokyo
-
Yasuoka Hiroshi
Institute Fo Solid State Physics University Of Tokyo
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