Interlayer magnetic coupling: Effect of interface roughness

被引:73
作者
Kudrnovsky, J
Drchal, V
Turek, I
Sob, M
Weinberger, P
机构
[1] VIENNA TECH UNIV,INST TECH ELECTROCHEM,A-1060 VIENNA,AUSTRIA
[2] ACAD SCI CZECH REPUBL,INST PHYS MAT,CR-61662 BRNO,CZECH REPUBLIC
来源
PHYSICAL REVIEW B | 1996年 / 53卷 / 09期
关键词
D O I
10.1103/PhysRevB.53.5125
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of structural interface imperfections on the interlayer magnetic coupling is studied theoretically by considering (i) a macroscopic model of roughness for possible fluctuations of spacer thickness, and (ii) a microscopic model of interdiffusion at ideal interfaces. For the Co/Cu/Co(001) system, we found a dramatic decrease of the amplitudes of the oscillations even for a small amount of interface imperfections, particularly strong for the short period oscillations,and thus indicating a possible source of discrepancy between ab initio calculations and experiment.
引用
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页码:5125 / 5128
页数:4
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