Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4827808
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Funding
- MEXT, Japan [25707029, 24244051]
- LC-IMR of Tohoku University
- Murata Science Foundation
- Mazda Foundation
- Sumitomo Foundation
- Grants-in-Aid for Scientific Research [25707029, 23360017] Funding Source: KAKEN
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The inverse spin Hall effect (ISHE) induced by spin pumping in indium tin oxide (ITO) films has been investigated quantitatively. We measured ferromagnetic resonance and electromotive force spectra with changing the ITO thickness in ITO/permalloy bilayer films. The intensity of the observed electromotive force changes systematically with the ITO film thickness, which is consistent with the prediction of ISHE. By using an equivalent circuit model, the spin Hall angle and diffusion length of the ITO film are estimated. (c) 2013 AIP Publishing LLC.
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