Exchange Strictions of the Single Crystal of Gadolinium
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概要
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The forced magnetostriction and anomalous thermal expansion of the single crvystal of gadolinium are theoretically investigated by calculating the strain dependence of the indirect exchange interaction via the conduction electrons. The calculations are based on Yosida and Watabe's theory. However, if the conduction electrons are assumed to be free electrons giving rise to a spherical Fermi surface, the calculations do not well account for the observed large anisotropy of these quantities. An improvement of the calculation is presented, which takes into account a possible asphericity of the Fermi surface and whih can account for the observation.
- 社団法人日本物理学会の論文
- 1964-07-05
著者
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Tonegawa Takashi
Department Of Earth And Environmental Sciences Graduate School Of Environmental Studies Nagoya Unive
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Tonegawa Takashi
Department Of Physics Osaka University
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