Spin wave assisted current induced magnetic domain wall motion

Details Spin wave assisted current induced magnetic domain wall motion Spin wave assisted current induced magnetic domain wall motion

2011-03-24

arxiv.org/abs/1103.4673v1

Appl. Phys. Lett. 96, 242501 (2010)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1063/1.3446833

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.

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