期刊
APPLIED PHYSICS LETTERS
卷 110, 期 25, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4989678
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资金
- Carl Zeiss Stiftung
- PPP-IKYDA DAAD bilateral German-Greek Collaboration scheme
- M-era.Net through the HEUMEM project
The spin-pumping mechanism is probed through a tunnelling MgO interlayer in Fe/Pt bilayers. We show by ferromagnetic resonance technique and spin-pumping experiments that spin currents can tunnel through the MgO interlayer for thicknesses up to 2 nm and can produce significant voltages in the Pt layer. The electrical detection of spin-pumping furthermore reveals the critical role of rectification and shunting effects on the generated voltages. The non-zero spin current transport through a few monolayers of an insulating interlayer might initiate further studies on the role of very thin oxides in spin-pumping experiments. Published by AIP Publishing.
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