Spin pumping by nonreciprocal spin waves under local excitation

R. Iguchi; K. Ando; Z. Qiu; T. An; E. Saitoh; T. Sato

doi:10.1063/1.4775685

Spin pumping by nonreciprocal spin waves under local excitation

R. Iguchi, K. Ando, Z. Qiu, T. An, E. Saitoh, T. Sato

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We measured spatial distribution of spin pumping by nonreciprocal magnetostatic surface waves (MSSWs) using inverse spin Hall effect (ISHE) in a YIG/Pt system under local excitation. The local intensity of spin pumping by MSSWs shows center displacement of ± 0.1 mm from the center of a waveguide according to the reversal of a bias field, which is due to the nonreciprocal propagation of MSSWs over a macroscopic distance. The combination of spin pumping and ISHE enables electrical investigation of local spin dynamics in a magnetic insulator.

Original language	English
Article number	022406
Journal	Applied Physics Letters
Volume	102
Issue number	2
DOIs	https://doi.org/10.1063/1.4775685
Publication status	Published - 2013 Jan 14

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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AU - Ando, K.

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AU - An, T.

AU - Saitoh, E.

AU - Sato, T.

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AB - We measured spatial distribution of spin pumping by nonreciprocal magnetostatic surface waves (MSSWs) using inverse spin Hall effect (ISHE) in a YIG/Pt system under local excitation. The local intensity of spin pumping by MSSWs shows center displacement of ± 0.1 mm from the center of a waveguide according to the reversal of a bias field, which is due to the nonreciprocal propagation of MSSWs over a macroscopic distance. The combination of spin pumping and ISHE enables electrical investigation of local spin dynamics in a magnetic insulator.

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