First-principles studies of the magnetic properties of hcp Cr in Cr/Cu(111) and Cr/Ru(0001) superlattices

被引：0
|
作者：
Guo, GY [1 ]
机构：
[1] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
来源：
MAGNETIC AND ELECTRONIC FILMS-MICROSTRUCTURE, TEXTURE AND APPLICATION TO DATA STORAGE | 2002年 / 721卷
关键词：
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Latest first-principles density functional theoretical calculations using the generalized gradient approximation and highly accurate all-eleectron full-potential linearized augmented plane wave method, show that bulk hcp Cr would be a paramagnet and that no ferromagnetic state could be stabilized over a wide range of volume [1]. To understand the recent observation of the weakly ferromagnetic state of Cr in hcp Cr/Ru (0001) superlattices [2], the same theoretical calculations have been carried out for the hcp Cr-3/Ru-7 (0001) and hcp Cr-3/fcc Cu-6 (111) superlattices. The Cr/Ru superlattice is found to be ferromagnetic with a small magnetic moment of similar to0.31 muB/Cr while in contrast, Cr/Cu superlattice is found to be nonmagnetic.
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收藏
页码：297 / 302
页数：6
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