Current-induced modification of spin wave mode interference

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We have studied the effect of adiabatic spin-transfer torque on mode interference of spin waves. The mode interference generates amplitude-localized spots at special positions which do not move with time. When applying current, the wavevector of spin wave is modified, resulting in current-dependent displacement of amplitude-localized spots. This current-dependent change in the mode interference may allow to probe current-induced spin wave Doppler shift in space-domain. In favorable situations, it can be used to estimate the intrinsic properties of magnetic materials such as spin polarization. (C) 2013 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER
Issue Date
2014-02
Language
English
Article Type
Article
Citation

CURRENT APPLIED PHYSICS, v.14, no.2, pp.182 - 186

ISSN
1567-1739
DOI
10.1016/j.cap.2013.10.016
URI
http://hdl.handle.net/10203/277471
Appears in Collection
PH-Journal Papers(저널논문)
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