2000 character limit reached
On the origin of the giant SHE in Cu(Bi) alloys (1306.1471v1)
Published 6 Jun 2013 in cond-mat.mes-hall and cond-mat.mtrl-sci
Abstract: Two years after the prediction of a giant spin Hall effect for the dilute Cu(Bi) alloy [Gradhand et al., Phys. Rev. B 81, 245109 (2010)], a comparably strong effect was measured in thin films of Cu(Bi) alloys by Niimi et al. [Phys. Rev. Lett. 109, 156602 (2012)]. Both theory and experiment consider the skew-scattering mechanism to be responsible, however they obtain opposite sign for the spin Hall angle. Based on a detailed analysis of existing theoretical results, we explore differences between theory and experiment.
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