Abstract
AbstractReflectivity and photoluminescence spectra from CdTe/CdMgTe modulation‐doped quantum well structures were studied. We have found that in reflectivity spectra the value and the sign of the Zeeman splitting of the trion lines depend on the electron concentration in the quantum well, whereas, the value and sign of the exciton line splitting are constant for all studied electron concentrations. On the other hand, in the photoluminescence spectra the sign and value of the Zeeman splitting are the same for trion and exciton. Such “renormalization” of the trion g‐factor is explained in the model of combined exciton–electron processes.
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