Temporal evolution of inverse spin Hall effect voltage in a magnetic insulator-nonmagnetic metal structure

M. B. Jungfleisch, A. V. Chumak, V. I. Vasyuchka, A. A. Serga, B. Obry, H. Schultheiss, P. A. Beck, A. D. Karenowska, E. Saitoh, B. Hillebrands

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Abstract

It is demonstrated that the temporal evolution of a spin-wave induced inverse spin Hall effect voltage in a magnetic insulator-nonmagnetic metal structure is distinctly different from that of the directly excited (microwave pulse driven) spin-wave mode from which it originates. The differences in temporal behavior provide compelling evidence that incoherent secondary spin-wave modes, having a range of different characteristic lifetimes, make an important contribution to spin pumping at the insulator-metal interface.

Original languageEnglish
Article number182512
JournalApplied Physics Letters
Volume99
Issue number18
DOIs
Publication statusPublished - 2011 Oct 31

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Jungfleisch, M. B., Chumak, A. V., Vasyuchka, V. I., Serga, A. A., Obry, B., Schultheiss, H., Beck, P. A., Karenowska, A. D., Saitoh, E., & Hillebrands, B. (2011). Temporal evolution of inverse spin Hall effect voltage in a magnetic insulator-nonmagnetic metal structure. Applied Physics Letters, 99(18), [182512]. https://doi.org/10.1063/1.3658398