Spin Hall Effects Due to Phonon Skew Scattering

Physical Review Letters
Cosimo GoriniRoberto Raimondi

Abstract

A diversity of spin Hall effects in metallic systems is known to rely on Mott skew scattering. In this work its high-temperature counterpart, phonon skew scattering, which is expected to be of foremost experimental relevance, is investigated. In particular, the phonon skew scattering spin Hall conductivity is found to be practically T independent for temperatures above the Debye temperature T_{D}. As a consequence, in Rashba-like systems a high-T linear behavior of the spin Hall angle demonstrates the dominance of extrinsic spin-orbit scattering only if the intrinsic spin splitting is smaller than the temperature.

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Citations

May 28, 2016·Physical Review Letters·Lei WangPaul J Kelly
Jan 18, 2018·Physical Review Letters·Chunli HuangMiguel A Cazalilla
Dec 20, 2019·Science Advances·Zhenchao WenKoki Takanashi
Nov 26, 2019·Physical Review Letters·Satoshi OkamotoNaoto Nagaosa
Jul 1, 2020·Physical Review Letters·Stuart A CavillAires Ferreira
Oct 4, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·A PfeifferM Kläui
Mar 20, 2021·Nano Letters·Paul C LouSandeep Kumar

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