Composite domain walls in flat nanomagnets: The magnetostatic limit

被引：18
|
作者：
Youk, H. [1 ]
Chern, G. -W. [1 ]
Merit, K. [1 ]
Oppenheimer, B. [1 ]
Tchernyshyov, O. [1 ]
机构：
[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 99卷 / 08期
关键词：
D O I：
10.1063/1.2167049
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We discuss the structure of the so-called "vortex" domain walls in soft magnetic nanoparticles. A wall of this kind is a composite object consisting of three elementary topological defects: two edge defects with winding numbers -1/2 and a vortex with a winding number +1 between them. We provide a qualitative model accounting for the energetics of such a domain wall. (C) 2006 American Institute of Physics.
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