title: Spin Hall Effects Due to Phonon Skew Scattering.
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.
authors: Institut für Theoretische Physik, Universität Regensburg, 93040 Regensburg, Germany.
authors: Cosimo
authors: C
authors: Gorini
authors: Institut für Physik, Universität Augsburg, 86135 Augsburg, Germany.
authors: Ulrich
authors: U
authors: Eckern
authors: Dipartimento di Matematica e Fisica, Roma Tre University, Via della Vasca Navale 84, 00146 Rome, Italy.
authors: Roberto
authors: R
authors: Raimondi