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Circular polarization of the photoluminescence from a system of two-dimensional A + centers in a magnetic field

  • Semiconductor Structures, Low-Dimensional Systems, and Quantum Phenomena
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Abstract

A series of GaAs/AlGaAs quantum well structures with different concentrations of A + centers is studied experimentally by polarized photoluminescence spectroscopy. The spectral dependences of the circular polarization and the energy shifts in a magnetic field exhibit qualitatively different behavior for samples corresponding to the weak and strong localization conditions. The results obtained are explained in the context of a suggested model describing optical transitions between states of localized and free electrons and A + centers.

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Authors and Affiliations

  1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    P. V. Petrov, Yu. L. Ivánov & N. S. Averkiev

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  1. P. V. Petrov
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  2. Yu. L. Ivánov
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  3. N. S. Averkiev
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Correspondence to P. V. Petrov.

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Original Russian Text © P.V. Petrov, Yu.L. Ivánov, N.S. Averkiev, 2011, published in Fizika i Tekhnika Poluprovodnikov, 2011, Vol. 45, No. 6, pp. 794–800.

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Petrov, P.V., Ivánov, Y.L. & Averkiev, N.S. Circular polarization of the photoluminescence from a system of two-dimensional A + centers in a magnetic field. Semiconductors 45, 776–782 (2011). https://doi.org/10.1134/S1063782611060200

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  • DOI: https://doi.org/10.1134/S1063782611060200

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