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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.

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Authors

T.D. Skinner

H. Kurebayashi

D. Fang

D. Heiss

A.C. Irvine

M. Wang

A.W. Rushforth

A.J. Ferguson



Abstract

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.

Citation

Skinner, T., Kurebayashi, H., Fang, D., Heiss, D., Irvine, A., Hindmarch, A., …Ferguson, A. (2013). Enhanced inverse spin-Hall effect in ultrathin ferromagnetic/normal metal bilayers. Applied Physics Letters, 102(7), Article 072401. https://doi.org/10.1063/1.4792693

Journal Article Type Article
Publication Date Feb 18, 2013
Deposit Date Feb 20, 2013
Publicly Available Date Mar 29, 2024
Journal Applied Physics Letters
Print ISSN 0003-6951
Electronic ISSN 1077-3118
Publisher American Institute of Physics
Peer Reviewed Peer Reviewed
Volume 102
Issue 7
Article Number 072401
DOI https://doi.org/10.1063/1.4792693
Keywords Cobalt alloys, Ferromagnetic materials, Ferromagnetic resonance, Magnetic multilayers, Platinum alloys, Spin Hall effect.

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Copyright Statement
© 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters 102, 072401 (2013) and may be found at http://dx.doi.org/10.1063/1.4792693





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