ANTIFERROMAGNETIC INTERLAYER COUPLING IN FE/V AND FE/CR

被引：55
作者：
VEGA, A
RUBIO, A
BALBAS, LC
DORANTESDAVILA, J
BOUARAB, S
DEMANGEAT, C
MOKRANI, A
DREYSSE, H
机构：
[1] NATL POLYTECH INST,CINVESTAN,DEPT FIS TEOR,MEXICO CITY 14,DF,MEXICO
[2] UNIV STRASBOURG 1,IPCMS,F-67070 STRASBOURG,FRANCE
[3] LAB PHYS SOLIDE,F-54506 VANDOEUVRE NANCY,FRANCE
来源：
JOURNAL OF APPLIED PHYSICS | 1991年 / 69卷 / 08期
关键词：
D O I：
10.1063/1.348354
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Antiferromagnetic (AF) coupling between Fe and V atoms is observed experimentally at the Fe/V and Fe/Cr interfaces. In the self-consistent tight-binding derivation of the unrestricted approximation of the Hubbard Hamiltonian, we have investigated Fe3V(n) (n = 1-5) superlattices and Fe3V(n) (n = 1-5) films. In all cases one finds an AF coupling between Fe and V together with a decreasing oscillation of the induced magnetic moment on the V atoms when the distance from Fe increases. The distributions of local magnetic moments on Fe and Cr layers in Fe3Cr(n) (n = 3-5) superlattices have been determined self-consistently. Both AF and ferromagnetic (F) coupling between Fe layers separated by Cr have been studied. In all cases one finds strong AF couplings between Fe and Cr nearest neighbors with an important increase of the Cr magnetic moment at the interface as compared to the Cr bulk value.
引用
收藏
页码：4544 / 4546
页数：3
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