Inverse spin-hall effect induced by spin pumping in different thickness Pt films

Hiroyasu Nakayama; Kazuya Ando; Kazuya Harii; Yosuke Kajiwara; Tatsuro Yoshino; Ken Ichi Uchida; Eiji Saitoh

doi:10.1109/TMAG.2010.2042150

Inverse spin-hall effect induced by spin pumping in different thickness Pt films

Hiroyasu Nakayama, Kazuya Ando, Kazuya Harii, Yosuke Kajiwara, Tatsuro Yoshino, Ken Ichi Uchida, Eiji Saitoh

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article

18 Citations (Scopus)

Abstract

The inverse spin-Hall effect, conversion of spin currents into electromotive force, has been investigated in Pt thin films with changing the thickness of the Pt films. We measured the electric voltage due to the inverse spin-Hall effect induced by the spin pumping in Ni₈₁Fe₁₉Pt bilayer systems with different Pt thickness films (d_N = 10, 30, 50, and 75 nm) at room temperature. The experimental results show that the signal induced by the inverse spin-Hall effect V_ISHE is inversely proportional to the Pt thickness d_N, which is well reproduced by a simple equivalent circuit model.

Original language	English
Article number	5467502
Pages (from-to)	2202-2204
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	46
Issue number	6
DOIs	https://doi.org/10.1109/TMAG.2010.2042150
Publication status	Published - 2010 Jun 1

Keywords

Ferromagnetic resonance
Inverse spin-Hall effect
Spin currents
Spin pumping

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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Nakayama, H., Ando, K., Harii, K., Kajiwara, Y., Yoshino, T., Uchida, K. I., & Saitoh, E. (2010). Inverse spin-hall effect induced by spin pumping in different thickness Pt films. IEEE Transactions on Magnetics, 46(6), 2202-2204. [5467502]. https://doi.org/10.1109/TMAG.2010.2042150

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abstract = "The inverse spin-Hall effect, conversion of spin currents into electromotive force, has been investigated in Pt thin films with changing the thickness of the Pt films. We measured the electric voltage due to the inverse spin-Hall effect induced by the spin pumping in Ni81Fe19Pt bilayer systems with different Pt thickness films (dN = 10, 30, 50, and 75 nm) at room temperature. The experimental results show that the signal induced by the inverse spin-Hall effect VISHE is inversely proportional to the Pt thickness dN, which is well reproduced by a simple equivalent circuit model.",

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AU - Nakayama, Hiroyasu

AU - Ando, Kazuya

AU - Harii, Kazuya

AU - Kajiwara, Yosuke

AU - Yoshino, Tatsuro

AU - Uchida, Ken Ichi

AU - Saitoh, Eiji

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