Domain-wall transformation by high-frequency magnetic fields

被引:7
|
作者
Neudert, Andreas [1 ]
McCord, Jeffrey [1 ]
Schaefer, Rudolf [1 ]
Schultz, Ludwig [1 ]
机构
[1] IFW Dresden, Leibniz Inst Solid State & Mat Res, D-01069 Dresden, Germany
来源
PHYSICAL REVIEW B | 2007年 / 75卷 / 17期
关键词
D O I
10.1103/PhysRevB.75.172404
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The high-frequency behavior of magnetic domain-walls of the cross-tie type is investigated by static and time-resolved Kerr microscopy. By applying a high-frequency (hf) sinusoidal in-plane magnetic field perpendicular to the wall plane, additional vortex-antivortex pairs are created that lead to a shrinking of the cross-tie spacing. This creation of additional Bloch lines happens by a channelized flux transport across the wall plane at the vortex sites until a new metastable narrow-spaced cross-tie state is reached.
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页数:4
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