Spin wave assisted current induced magnetic domain wall motion

被引：45
|
作者：
Jamali, Mahdi [1 ]
Yang, Hyunsoo [1 ]
Lee, Kyung-Jin [2 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[2] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea
来源：
APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 24期
关键词：
current density; magnetic domain walls; nanomagnetics; nanowires; spin waves; SHIFT REGISTER;
D O I：
10.1063/1.3446833
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The interaction between the propagating spin waves and the current driven motion of a transverse domain wall in magnetic nanowires is studied by micromagnetic simulations. If the speed of domain walls due to current induced spin transfer torque is comparable to the velocity driven by spin waves, the speed of domain wall is improved by applying spin waves. The domain wall velocity can be manipulated by the frequency and amplitude of spin waves. The effect of spin waves is suppressed in the high current density regime in which the domain wall is mostly driven by current induced spin transfer torque. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3446833]
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页数：3
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