Structural and magnetic properties Of Co2Cr0.6Fe0.4Al thin films epitaxially grown on GaAs substrates with MgO interlayer

被引：4
|
作者：
Uemura, T. [1 ]
Yano, T. [1 ]
Matsuda, K.-I. [1 ]
机构：
[1] Hokkaido Univ, Div Elect Informat, Kita Ku, Sapporo, Hokkaido 0600814, Japan
来源：
THIN SOLID FILMS | 2007年 / 515卷 / 20-21期
关键词：
heusler alloy; CCFA; magnetic anisotropy; GaAs;
D O I：
10.1016/j.tsf.2007.04.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structural and magnetic properties of Co2Cr0.6Fe0.4Al (CCFA) thin films epitaxially grown on GaAs substrates by sputtering were investigated. The CCFA film directly grown on GaAs showed a cube-on-cube crystallographic relation, while it was rotated by 45 degrees in the (001) plane when a thin MgO layer was inserted between the CCFA and GaAs. Both samples showed strong magnetic anisotropy, in which a uniaxial anisotropy with an easy axis of [110](GaAs) or [1-10](GaAs) dominated with a slight cubic anisotropy having easy axes of < 110 >(CCFA) superimposed. The uniaxial anisotropy constants were approximately 1.6 times as large as the cubic anisotropy constants for both samples. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：8013 / 8016
页数：4
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