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Enhanced inverse spin-Hall effect in ultrathin ferromagnetic/normal metal bilayers.

Skinner, T. D. and Kurebayashi, H. and Fang, D. and Heiss, D. and Irvine, A. C. and Hindmarch, A. T. and Wang, M. and Rushforth, A. W. and Ferguson, A. J. (2013) 'Enhanced inverse spin-Hall effect in ultrathin ferromagnetic/normal metal bilayers.', Applied physics letters., 102 (7). 072401.

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.

Item Type:Article
Keywords:Cobalt alloys, Ferromagnetic materials, Ferromagnetic resonance, Magnetic multilayers, Platinum alloys, Spin Hall effect.
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1063/1.4792693
Publisher 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
Record Created:30 Apr 2013 15:05
Last Modified:18 Aug 2015 12:32

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