Micromagnetic properties of MnAs(0001)/GaAs(111) epitaxial films -: art. no. 052505

被引：11
|
作者：
Engel-Herbert, R [1 ]
Hesjedal, T [1 ]
Schaadt, DM [1 ]
Däweritz, L [1 ]
Ploog, KH [1 ]
机构：
[1] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 05期
关键词：
D O I：
10.1063/1.2171790
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The micromagnetic properties of MnAs thin films grown on the (111)B-oriented GaAs surface have been investigated. Compared to films grown on (001) surfaces, these films exhibit completely different domain patterns, as the c axis of the hexagonal unit cell is oriented normal to the surface. In the course of the first order phase transition, ferromagnetic alpha-MnAs forms a network of quasihexagonal areas separated by beta-MnAs. We present an analysis of the micromagnetic properties based on imaging and simulations. We observe closure domains that either appear as a vortex-like state or a stripe structure. (c) 2006 American Institute of Physics.
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页码：1 / 3
页数：3
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