Asymmetric magnetization reversal in the exchange-biased MnO/(Ga,Mn)As heterostructure studied by ferromagnetic resonance

被引：0
|
作者：
Dziatkowski, K.
Ge, Z.
Liu, X.
Furdyna, J. K.
Twardowski, A.
机构：
[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[2] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
来源：
ACTA PHYSICA POLONICA A | 2006年 / 110卷 / 03期
关键词：
D O I：
10.12693/APhysPolA.110.319
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report ferromagnetic resonance study of the magnetization reversal in the exchange-coupled MnO/(Ga,Mn)As system. The low-field parts of ferromagnetic resonance spectra measured along [1 (1) over bar0] and [100] directions of (Ga,Mn)As were combined into hysteresis loops, which under field-cooling conditions similarly to SQUID loops are shifted toward negative magnetic fields. The magnetization reversal process revealed by the loops occurred remarkably asymmetric for both sample configurations.
引用
收藏
页码：319 / 324
页数：6
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