Enhanced inverse spin-Hall effect in ultrathin ferromagnetic/normal metal bilayers.
- Skinner, T. D.
- Kurebayashi, H.
- Fang, D.
- Heiss, D.
- Irvine, A. C.
- Hindmarch, A. T.
- Wang, M.
- Rushforth, A. W.
- Ferguson, A. J.
Publication date
February 2013
DOI Publisher
AIP Publishing Journal
Applied Physics Letters Language
EnglishAbstract
Electrically detected ferromagnetic resonance is measured in microdevices patterned from ultra-thin Co/Pt bilayers. Spin pumping and rectification voltages are observed and distinguished via their angular dependence. The spin-pumping voltage shows an unexpected increase as the cobalt thickness is reduced below 2 nm. This enhancement allows more efficient conversion of spin to charge current
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