Enhancement of a spin-wave self-focusing by a pulsed flat-top excitation field in a multi-domain state

Hyo Seok Kim,In Hyeok Choi,Jong Seok Lee

Journal of Magnetism and Magnetic Materials（2022）

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摘要

•Spin-wave can be self-focused by a pulsed flat-top excitation.•Focusing effect can be enhanced due to a spin wave reflection by domain walls.•A pulsed flat-top excitation can be an efficient way to create magnetic droplets.

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关键词

Spin wave,Spin wave focusing,Ferromagnet,Domain wall,Micromagnetic simulation

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