Magnetic Domain Structure and Magnetically-Induced Reorientation in Ni-Mn-Ga Magnetic Shape Memory Alloy

被引：6
|
作者：
Heczko, O. [1 ]
Bradshaw, V. [1 ]
机构：
[1] CAS, Dept Funct Mat, Inst Phys, Slovance 2, Prague 18228 8, Czech Republic
来源：
ACTA PHYSICA POLONICA A | 2017年 / 131卷 / 04期
关键词：
D O I：
10.12693/APhysPolA.131.1063
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Magnetization process during magnetically induced reorientation and related magnetic domains of cuboid Ni50Mn28.5Ga21.5 single crystal with {100} faces was investigated. Magnetic domains were visualized using magneto-optical indicator. The domains pattern is determined by strong uniaxial magnetic anisotropy of Ni-Mn-Ga martensite. Thanks to magnetically induced reorientation the domains arrangements for all three crystal orientations could be obtained and we showed that the size of domains scales with square root of the thickness and penetrates through whole crystal. Visualization of magnetic domains on all faces of cuboid provides the 3D model of magnetic domains.
引用
收藏
页码：1063 / 1065
页数：3
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