ABINITIO BAND-STRUCTURE CALCULATION FOR MAGNETIC MULTILAYERS

被引：0
|
作者：
STICHT, J
HERMAN, F
KUBLER, J
机构：
[1] TH DARMSTADT,INST FESTKORPERPHYS,W-6100 DARMSTADT,GERMANY
[2] IBM CORP,ALMADEN RES CTR,SAN JOSE,CA 94120
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1993年 / 7卷 / 1-3期
关键词：
D O I：
10.1142/S0217979293000950
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetic properties of magnetic multilayers are studied using first principles total energy calculations. In this paper we present our results for bcc Fe multilayers with a (001) stacking direction. Using Nb as a spacer material we find an oscillating exchange coupling with a period of about 4.6 angstrom( almost-equal-to 3 Nb monolayers). A detailed study of the magnetic moments in the Nb spacer is given. Furthermore we discuss the dependence of the exchange coupling strength as a function of the thickness of the Fe slabs.
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页码：456 / 459
页数：4
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