Spin splitting in symmetrical SiGe quantum wells

L. E. Golub and E. L. Ivchenko
Phys. Rev. B 69, 115333 – Published 25 March 2004
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Abstract

Spin splitting of conduction electron states has been analyzed for all possible point symmetries of SiGe quantum well structures. A particular attention is paid to removal of spin degeneracy caused by the rotoinversion asymmetry of a (001) heterointerface between two diamond-lattice materials. The asymmetry is shown to result in spin splitting of both Rashba and Dresselhaus types in symmetrical SiGe quantum wells. Consequences of the spin splitting on spin relaxation are discussed.

  • Received 16 October 2003

DOI:https://doi.org/10.1103/PhysRevB.69.115333

©2004 American Physical Society

Authors & Affiliations

L. E. Golub* and E. L. Ivchenko

  • A. F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia

  • *Electronic address: golub@coherent.ioffe.ru

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Issue

Vol. 69, Iss. 11 — 15 March 2004

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