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Abstract:
Magnetospectroscopic studies of a modulation-doped GaAs/InGaAs/GaAlAs
quantum well (QW) are presented. Oscillations of the photoluminescence
(PL) intensity in magnetic field are investigated. Recombination
processes giving rise to the PL are identified and their effect on the
PL is established. It is shown how measurements of the oscillations can
provide information on the density of the quasi-two-dimensional
electron gas confined in the QW.(c) 2006 American Institute of Physics.