Micromagnetic simulation of spin wave propagation in a ferromagnetic film with different thicknesses

Hiroshi Hata; Takahiro Moriyama; Kenji Tanabe; Kensuke Kobayashi; Ryo Matsumoto; Shuichi Murakami; Jun-ichiro Ohe; Daichi Chiba; Teruo Ono

doi:10.3379/msjmag.1506R004

Spin Electronics

Micromagnetic simulation of spin wave propagation in a ferromagnetic film with different thicknesses

Hiroshi Hata, Takahiro Moriyama, Kenji Tanabe, Kensuke Kobayashi, Ryo Matsumoto, Shuichi Murakami, Jun-ichiro Ohe, Daichi Chiba, Teruo Ono

著者情報

Hiroshi Hata
Institute for Chemical Research, Kyoto University
Takahiro Moriyama
Institute for Chemical Research, Kyoto University
Kenji Tanabe
Institute for Chemical Research, Kyoto University
Department of Physics, Graduate School of Science, Osaka University
Kensuke Kobayashi
Department of Physics, Graduate School of Science, Osaka University
Ryo Matsumoto
Department of Physics, Tokyo Institute of Technology
Shuichi Murakami
Department of Physics, Tokyo Institute of Technology
Jun-ichiro Ohe
Department of Physics, Toho University
Daichi Chiba
Department of Applied Physics, Faculty of Engineering, The University of Tokyo
Teruo Ono
Institute for Chemical Research, Kyoto University

キーワード: spin wave, refraction, Snell’s law, micromagnetic simulation, mumax3

ジャーナルオープンアクセス

2015 年 39 巻 4 号 p. 151-155

DOI https://doi.org/10.3379/msjmag.1506R004

Browse “Advance online publication” version

詳細

抄録

We have shown by micromagnetic simulation that the wavelength of the spin wave (SW) is modulated when the SW propagates across a step between two ferromagnetic films with different thicknesses. Since the wavelength of the SW depends on the film thickness, the thickness difference works as the different medium in Snell’s law. The wavelength modulation obtained by the simulation showed a good agreement with Snell’s law.

責任著者(Corresponding author)

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