Spin-flip Raman scattering from donor-bound electrons in Cd1xMnxTe/Cd1yMgyTe single quantum wells

R. Meyer, M. Dahl, G. Schaack, and A. Waag
Phys. Rev. B 55, 16376 – Published 15 June 1997
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Abstract

We report on the spin-flip Raman scattering of electrons bound to shallow donors in single quantum wells of Cd1xMnxTe between Cd1yMgyTe barriers. An enhancement of the scattering intensity of the bound magnetic polaron was found for narrow quantum wells. A variational treatment of the quantum well exciton in combination with the polaron model developed for bulk material is applied to interpret the experimental observations. The reduced symmetry of the quantum well states manifests itself through the observation of new resonances in the Raman scattering cross section. A simple model taking into account the anisotropy of the Zeeman effect of the valence band can reproduce the observations.

    DOI:https://doi.org/10.1103/PhysRevB.55.16376

    ©1997 American Physical Society

    Authors & Affiliations

    R. Meyer, M. Dahl, G. Schaack, and A. Waag

    • Physikalisches Institut der Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

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    Vol. 55, Iss. 24 — 15 June 1997

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