Energy dissipation of a 180° domain wall in a defect field.: Influence of film thickness

被引：1
|
作者：
Dzhezherya, YI
Sorokin, MV
机构：
[1] Ukrainian Natl Acad Sci, Inst Magnetism, UA-03142 Kiev, Ukraine
[2] MON, UA-03142 Kiev, Ukraine
来源：
LOW TEMPERATURE PHYSICS | 2004年 / 30卷 / 12期
关键词：
D O I：
10.1063/1.1820032
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An effective equation of motion for a 180degrees domain wall, taking account of energy losses due to the excitation of flexural waves of the wall when it interacts with point defects, is derived for a ferromagnetic film of arbitrary thickness. The domain wall is studied in the potential well produced by a nonuniform magnetic field. The influence of defects on the motion of a wall with constant velocity and small forced oscillations of the wall are investigated on the basis of exact particular solutions of the equation derived. (C) 2004 American Institute of Physics.
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收藏
页码：941 / 947
页数：7
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