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

被引：84

作者：

Inoue, H. Y. ^{[1
]}

Harii, K. ^{[1
]}

Ando, K. ^{[1
]}

Sasage, K. ^{[1
]}

Saitoh, E. ^{[1
]}

机构：

[1] Keio Univ, Dept Appl Chem, Yokohama, Kanagawa 2238522, Japan

来源：

JOURNAL OF APPLIED PHYSICS | 2007年 / 102卷 / 08期

关键词：

D O I：

10.1063/1.2799068

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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. (C) 2007 American Institute of Physics.

引用

页数：4

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