Journal
APPLIED PHYSICS EXPRESS
Volume 11, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.11.053002
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- Grants-in-Aid for Scientific Research [26103002] Funding Source: KAKEN
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We report a systematic experimental study on the refraction and reflection of magnetostatic spin-waves at a thickness step between two Permalloy films of different thickness. The transmitted spin-waves for the transition from a thick film to a thin film have a higher wave vector compared to the incoming waves. Consequently, such systems may find use as passive wavelength transformers in magnonic networks. We investigate the spin-wave transmission behavior by studying the influence of the external magnetic field, incident angle, and thickness ratio of the films using time-resolved scanning Kerr microscopy and micro-focused Brillouin light scattering. (C) 2018 The Japan Society of Applied Physics
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