Detection of pure inverse spin-Hall effect induced by spin pumping at various excitation

H. Y. Inoue, K. Harii, K. Ando, K. Sasage, E. Saitoh

研究成果: Article査読

82 被引用数 (Scopus)

抄録

Electric-field generation due to the inverse spin-Hall effect (ISHE) driven by spin pumping was detected and separated experimentally from the extrinsic magnetogalvanic effects in a Ni81Fe19/Pt film. By applying a sample-cavity configuration in which the extrinsic effects are suppressed, the spin pumping using ferromagnetic resonance gives rise to a symmetric spectral shape in the electromotive force spectrum, indicating that the motive force is due entirely to ISHE. This method allows the quantitative analysis of the ISHE and the spin-pumping effect. The microwave-power dependence of the ISHE amplitude is consistent with the prediction of a direct current-spin-pumping scenario.

本文言語English
論文番号083915
ジャーナルJournal of Applied Physics
102
8
DOI
出版ステータスPublished - 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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