Electrical determination of spin mixing conductance at metal/insulator interface using inverse spin Hall effect

R. Takahashi, R. Iguchi, K. Ando, H. Nakayama, T. Yoshino, E. Saitoh

研究成果: Article査読

17 被引用数 (Scopus)

抄録

The spin mixing conductance at Au/BiY 2Fe 5O 12 and Pt/BiY 2Fe 5O 12 interfaces was electrically determined using the inverse spin Hall effect (ISHE) and the spin pumping. By measuring the electromotive force due to the ISHE and the ferromagnetic resonance spectra, we evaluated the magnitude of the generated spin currents and the magnetization-precession trajectory. The spin mixing conductance was estimated as 1.82 × 10 18m -2 for the Pt/BiY 2Fe 5O 12 film, and as 2.21 × 10 18m -2 for the Au/BiY 2Fe 5O 12 film, demonstrating efficient spin exchange at these metal/insulator interfaces.

本文言語English
論文番号07C307
ジャーナルJournal of Applied Physics
111
7
DOI
出版ステータスPublished - 2012 4月 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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