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Tuning Spin Hall Angles by Alloying

Obstbaum, M. ; Decker, M. ; Greitner, A. K. ; Haertinger, M. ; Meier, T. N. G. ; Kronseder, M. ; Chadova, K. ; Wimmer, S. ; Ködderitzsch, D. ; Ebert, H. ; Back, C. H.



Abstract

Within a combined experimental and theoretical study it is shown that the spin Hall angle of a substitutional alloy system can be continuously varied via its composition. For the alloy system AuxPt1-x a substantial increase of the maximum spin Hall angle compared to the pure alloy partners could be achieved this way. The experimental findings for the longitudinal charge conductivity sigma, the ...

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