RELATIONSHIP BETWEEN KERR EFFECT AND PERPENDICULAR MAGNETIC-ANISOTROPY IN CO1-XPTX AND CO1-XPDX ALLOYS

被引：135
|
作者：
WELLER, D
BRANDLE, H
CHAPPERT, C
机构：
[1] IBM Research Division, Almaden Research Center, San Jose
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1993年 / 121卷 / 1-3期
关键词：
D O I：
10.1016/0304-8853(93)91246-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Evaporated Co1-xPtx and Co1-xPdx alloy films with an average perpendicular magnetic anisotropy constant K(u) of up to 0.5 MJ/m3 have been investigated. A functional relationship between K(u) and the Kerr rotation contributions DELTAtheta(K)Pt,Pd arising from exchange polarized Pt and Pd, respectively, could be established. Our results suggest important contributions to the anisotropy from Pt-5d and Pd-4d states via electronic hybridization with Co-3d states. An anisotropy model based on growth induced heterogeneities in these alloys is proposed.
引用
收藏
页码：461 / 470
页数：10
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