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Journal of the Magnetics Society of Japan
Vol. 39 (2015) No. 4 p. 151-155



Spin Electronics

  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.

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