X-RAY MAGNETIC-CIRCULAR-DICHROISM STUDY OF FE/V MULTILAYERS

被引:54
作者
HARP, GR
PARKIN, SSP
OBRIEN, WL
TONNER, BP
机构
[1] IBM CORP,ALMADEN RES CTR,DIV RES,SAN JOSE,CA 95120
[2] UNIV WISCONSIN,CTR SYNCHROTRON RADIAT,STOUGHTON,WI 53589
[3] UNIV WISCONSIN,DEPT PHYS,MILWAUKEE,WI 53211
来源
PHYSICAL REVIEW B | 1995年 / 51卷 / 05期
关键词
D O I
10.1103/PhysRevB.51.3293
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The x-ray magnetic circular dichroism (XMCD) at the Fe and V 2p edge is measured in Fe/V multilayers. For a V 3 /Fe 4.4 multilayer, the induced V moment is at least 0.26B, and it is aligned antiferromagnetically with the Fe layers. The V dichroism signal is revealed to have a complicated structure relative to, e.g., the Fe dichroism signal. We estimate the orbital moment on the V to be 0.13B, similar to values seen in other ferromagnetic first-row transition metals. Only a lower bound for the V spin moment can be determined (0.13B), due to the breakdown of the XMCD spin sum rule in the case of V. © 1995 The American Physical Society.
引用
收藏
页码:3293 / 3296
页数:4
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