Magnetostriction and magnetism of rare earth intermetallic compounds: First principle study

被引：4
|
作者：
Gavrilenko, VI [1 ]
Wu, RQ [1 ]
机构：
[1] Calif State Univ Northridge, Dept Phys & Astron, Northridge, CA 91330 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2001年 / 89卷 / 11期
关键词：
D O I：
10.1063/1.1356038
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetism and magnetostriction of rare earth intermetallic compounds, GdCo2, GdFe2, NdCo2, SmCo2, and ErCo2, have been studied by using the first principles full-potential linearized augmented plane-wave method with the generalized gradient approximation. The calculated magnetostriction coefficients agree well with experiment. The itinerant electrons of transition metal elements are found to play a significant role in magnetoelastic coupling. The strong anisotropy of magnetostriction in GdCo2 is explained. Contributions due to spatial anisotropic charge distribution of the incomplete 4f shells are calculated and discussed. (C) 2001 American Institute of Physics.
引用
收藏
页码：7320 / 7322
页数：3
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