红外与毫米波学报2011,Vol.30Issue(1):1-5,5.
磁各向异性对(In,Ga)As衬底(Ga,Mn)As的影响
Influence of magnetocrystalline anisotropy on magneto-optics in GaMnAs/InGaAs epilayer
摘要
Abstract
Abnormal behaviors were observed in magnetic circular dichroism (MCD) in both as-grown and annealed Ga0.95 Mn0.05 As/InGaAs epilayer, as the direction of magnetization vector turns away from or toward the direction of incident beam by applying a magnetic field. Following the mean-field theory of magnetocrystalline anisotropy, it is found that the phenomena are actually the manifestation of the influence of the magnetic anisotropy on interband optical transitions due to the dependence of hole band splitting and warp of E-k dispersion relation on the magnetization orientation.关键词
(Ga,Mn)As/磁光效应/振荡/磁各向异性Key words
( Ga, Mn) As/ magneto-optical effect/ oscillation/ magnetic anisotropic分类
数理科学引用本文复制引用
朱科,郑厚植,甘华东,刘剑,朱汇,章昊,李桂荣,赵建华..磁各向异性对(In,Ga)As衬底(Ga,Mn)As的影响[J].红外与毫米波学报,2011,30(1):1-5,5.基金项目
This work,was in part supported by National Basic Research Program of China under the contract No.2006CB932801 ()
No 2007CB924903 and No 2007CB924904 ()
by Special Research Programs of Chinese Academy of Sciences,the Knowledge Innovation Program Project of Chinese Academy of Sciences under the contract No.KJCX.YW.W09 ()
also by National Natural Science Foundation of China under the contract No.60836002,10674130 and 60521001. ()