Intricate features of electron and hole skew scattering in semiconductors

M. A. Rakitskii, K. S. Denisov, E. Lähderanta, and I. V. Rozhansky
Phys. Rev. B 106, 085203 – Published 16 August 2022
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Abstract

We study features of mobile carriers' skew scattering in nonmagnetic semiconductors emerging due to a combination of spin-orbit coupling in a crystal band structure and a nontrivial inner structure of impurities. In particular, we show that a nonzero magnetic moment of the impurity generally leads to the anomalous Hall effect (AHE) in the absence of the spin polarization of the mobile carriers, the effect arising from spin-independent scattering asymmetry due to exchange interaction. We analyze the skew scattering in bulk zinc-blende semiconductors for both electron and hole states and emphasize the crucial role of the impurity spin polarization for the emergent AHE for the valence band holes. We also revisit the skew scattering in quantum wells showing that the cancellation of the extrinsic contribution to the AHE common for two-dimensional systems can be lifted off depending on both the electron wave function and the impurity structure.

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  • Received 27 March 2022
  • Revised 18 July 2022
  • Accepted 18 July 2022

DOI:https://doi.org/10.1103/PhysRevB.106.085203

©2022 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

M. A. Rakitskii1, K. S. Denisov1, E. Lähderanta1, and I. V. Rozhansky1,2,*

  • 1LUT University, FI-53851 Lappeenranta, Finland
  • 2Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot 76100, Israel

  • *rozhansky@gmail.com

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Issue

Vol. 106, Iss. 8 — 15 August 2022

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