Abstract
Photoluminescence excitation measurements have been carried out on the diluted magnetic semiconductors Cd1−xMnxTe and Cd1−xMnxSe. The temperature dependence of the known 2.0 eV and 1.2 eV PL bands is discussed in terms of a configuration coordinate model involving Mn2+ intra-ion transitions. Two broad band emissions in Cd1−xMnxSe, at 2.13 eV and 1.35 eV, are reported which appear to be the analogies to the PL bands seen in Cd1−xMnxTe.
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