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Spin relaxation of negatively charged excitons in CdTe quantum wells

We investigate the spin relaxation of negatively charged excitons in modulation-doped CdTe quantum wells by time-resolved photoluminescence. The charged exciton spin flip process is found to be very sensitive to the excitation energy but not to a change of electron concentration. We exclude the Bir-Aronov-Pikus mechanism, which is based on the exchange interaction, as responsible for the X- spin flip.

    Keywords: DYNAMICS

    Note:

    Swiss Fed Inst Technol, Dept Phys, EPFL, CH-1015 Lausanne, Switzerland. Warsaw Univ, Inst Expt Phys, Warsaw, Poland. Polish Acad Sci, Inst Phys, Warsaw, Poland. Ciulin, V, Swiss Fed Inst Technol, Dept Phys, EPFL, CH-1015 Lausanne, Switzerland.

    ISI Document Delivery No.: 520WL

    Times Cited: 7

    Cited Reference Count: 12

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    Reference

    Record created on 2007-08-31, modified on 2016-08-08

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