Effect of the magnetic anisotropy energy distribution of MnSb clusters on spontaneous magnetization reversal of GaMnSb thin films

被引:4
|
作者
Dmitriev, A. I. [1 ]
Filatov, A. A. [2 ]
机构
[1] Russian Acad Sci, Inst Problems Chem Phys, Pr Akad Semenova 1, Chernogolovka 142432, Moscow Oblast, Russia
[2] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
关键词
MOLECULAR-BEAM EPITAXY; GASB;
D O I
10.1134/S1063783416100127
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Temperature m(T) and time m(t) dependences of the magnetic moment of GaMnSb thin films with MnSb clusters have been measured. The m(t) dependences are straightened in semilogarithmic coordinates m(lnt). The temperature dependences of magnetic viscosity S(T) corresponding to the slope of straight lines m(lnt) have been studied. It have been demonstrated that the behavior of dependences S(T) is governed by the lognormal distribution of the magnetic anisotropy energy of MnSb clusters. It have been found that the behavior of dependences m(T) measured after the films were cooled in zero magnetic field and in magnetic field H = 10 kOe is also governed by the lognormal distribution of the magnetic anisotropy energy of MnSb clusters.
引用
收藏
页码:2005 / 2010
页数:6
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