OSCILLATIONS IN THE EXCHANGE COUPLING FOR (111)-ORIENTED CO CU MAGNETIC MULTILAYERS GROWN BY MOLECULAR-BEAM EPITAXY

被引:21
作者
HOWSON, MA [1 ]
HICKEY, BJ [1 ]
XU, J [1 ]
GREIG, D [1 ]
WISER, N [1 ]
机构
[1] BAR ILAN UNIV,DEPT PHYS,RAMAT GAN,ISRAEL
来源
PHYSICAL REVIEW B | 1993年 / 48卷 / 02期
关键词
D O I
10.1103/PhysRevB.48.1322
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present experimental evidence for oscillations in the strength of the exchange coupling between Co layers for (111)-oriented Co/Cu magnetic multilayers grown by molecular-beam epitaxy. The evidence comes from an analysis of the approach to saturation of the magnetization data for a series of epitaxial multilayers for which the Cu spacer thickness varies from 5 to 20 angstrom. We also find that, even for those samples having the maximum exchange coupling strength, only about 20% of the volume of the sample is antiferromagnetically coupled.
引用
收藏
页码:1322 / 1324
页数:3
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