A Theory of the Magnetovolume Effect at Finite Temperatures
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概要
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The Liberman-Pettifor virial theorem is extended to the finite temperatures,and the exrressions for the sr>ontaneous volume magnetostriction ana the elec-tronic contribution to the thermal exr>ansion coefficient are siven bv usins thefunctional integral method within the static approximation. The temperaturevariations of these czuantities are determined mainl>' b>' the amrlitude of the localmagnetic moment and the s-d charge transfer. Two types of the thermal expansion,the age type and the Weiss model type, appear within the CPA-LSA and theirproperties are examined and discussed.
- 社団法人日本物理学会の論文
- 1981-06-15
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