Angular dependence of inverse spin–Hall effect induced by spin pumping investigated in a Ni81Fe19/Pt thin film

K. Ando, Y. Kajiwara, S. Takahashi, S. Maekawa, K. Takemoto, M. Takatsu, and E. Saitoh
Phys. Rev. B 78, 014413 – Published 8 July 2008

Abstract

The polar-angular dependence of the magnetization in electromotive force induced by the spin pumping has been investigated for a Ni81Fe19/Pt film to examine the model of the inverse spin-Hall effect (ISHE). In the experiment, the magnetization-direction dependence of the electromotive force is estimated directly by the simultaneous measurement of the ferromagnetic resonance field and the electromotive force signal. The experimental results are well reproduced by a calculation based on the Landau-Lifshitz-Gilbert equation combined with the ISHE model.

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  • Received 3 March 2008

DOI:https://doi.org/10.1103/PhysRevB.78.014413

©2008 American Physical Society

Authors & Affiliations

K. Ando* and Y. Kajiwara

  • Department of Applied Physics and Physico-Informatics, Keio University, Yokohama 223-8522, Japan

S. Takahashi and S. Maekawa

  • Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan and CREST, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan

K. Takemoto and M. Takatsu

  • Fujitsu Laboratories Ltd., Morinosato-Wakamiya, Atsugi, Kanagawa, 243-0197, Japan

E. Saitoh

  • Department of Applied Physics and Physico-Informatics, Keio University, Yokohama 223-8522, Japan and PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan

  • *kazuya_ando@z8.keio.jp

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Issue

Vol. 78, Iss. 1 — 1 July 2008

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