Magnetic domain-wall motion by propagating spin waves

Details Magnetic domain-wall motion by propagating spin waves Magnetic domain-wall motion by propagating spin waves

2009-02-02

arxiv.org/abs/0902.0220v1

Appl Phy Lett 94, 112502 (2009)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1063/1.3098409

We found by micromagnetic simulations that the motion of a transverse wall (TW) type domain wall in magnetic thin-film nanostripes can be manipulated via interaction with spin waves (SWs) propagating through the TW. The velocity of the TW motion can be controlled by changes of the frequency and amplitude of the propagating SWs. Moreover, the TW motion is efficiently driven by specific SW frequencies that coincide with the resonant frequencies of the local modes existing inside the TW structure. The use of propagating SWs, whose frequencies are tuned to those of the intrinsic TW modes, is an alternative approach for controlling TW motion in nanostripes.

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