Dyakonov-Perel spin relaxation in InSb/AlxIn1−xSb quantum wells

Jun Li, Kai Chang, and F. M. Peeters
Phys. Rev. B 80, 153307 – Published 22 October 2009
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    Abstract

    We investigate theoretically the Dyakonov-Perel spin relaxation time by solving the eight-band Kane model and Poisson equation self-consistently. Our results show distinct behavior with the single-band model due to the anomalous spin-orbit interactions in narrow band-gap semiconductors, and agree well with the experiment values reported in recent experiment [K. L. Litvinenko et al., New J. Phys. 8, 49 (2006)]. We find a strong resonant enhancement of the spin relaxation time appears for spin align along [11¯0] at a certain electron density at 4 K. This resonant peak is smeared out with increasing the temperature.

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    • Received 26 June 2009

    DOI:https://doi.org/10.1103/PhysRevB.80.153307

    ©2009 American Physical Society

    Authors & Affiliations

    Jun Li1, Kai Chang1,*, and F. M. Peeters2

    • 1SKLSM, Institute of Semiconductors, Chinese Academy of Sciences, P.O. Box 912, Beijing 100083, China
    • 2Department of Physics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium

    • *kchang@red.semi.ac.cn

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    Vol. 80, Iss. 15 — 15 October 2009

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