NEGATIVE THERMAL-EXPANSION COEFFICIENT IN THE KONDO LATTICE

被引：8
|
作者：
BASTIDE, C
LACROIX, C
机构：
[1] CNRS, Grenoble, Fr, CNRS, Grenoble, Fr
来源：
SOLID STATE COMMUNICATIONS | 1986年 / 59卷 / 03期
关键词：
CERIUM ALUMINUM ALLOYS - Physical Properties;
D O I：
10.1016/0038-1098(86)90192-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The thermal expansion coefficient is calculated for a two bands Fermi liquid. It is shown that the interband electronic transfer can give a large contribution. The calculation is applied to the Kondo lattice. The thermal expansion coefficient alpha can be negative for a certain range of values of the Kondo temperature, and a pseudo-gap is necessary. The experimental results about CeAl//3 are correctly interpreted by our model.
引用
收藏
页码：121 / 125
页数：5
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