Evidence for phonon skew scattering in the spin Hall effect of platinum

URN to cite this document:: urn:nbn:de:bvb:355-epub-678674
DOI to cite this document:: 10.5283/epub.36999

Karnad, Gurucharan V.

; Gorini, Cosimo

; Lee, K. ; Schulz, T. ; Lo Conte, R. ; Wells, A. W. J. ; Han, D.-S.

; Shahbazi, K. ; Kim, J.-S. ; Moore, T. A. ; Swagten, H. J. M. ; Eckern, Ulrich ; Raimondi, Roberto ; Kläui, Mathias

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Date of publication of this fulltext: 06 Apr 2018 08:53

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Abstract

We measure and analyze the effective spin Hall angle of platinum in the low-residual resistivity regime by second-harmonic measurements of the spin-orbit torques for a multilayer of Pt vertical bar Co vertical bar AlOx. An angular-dependent study of the torques allows us to extract the effective spin Hall angle responsible for the damping-like torque in the system. We observe a strikingly ...