Summary
The temperature dependence of the emission intensity due to conduction band-to-neutral acceptor recombination (e-A0) is investigated in a GaAs/Ga0.7Al0.3As single quantum well. It is shown that the thermal quenching of the (e-A0) emission peak is not monotonous with temperature. The increase of the (e-A0) emission intensity up to about 30 K is interpreted as a consequence of the ionization of shallow donors, while the decrease in emission intensity at higher temperature is due to ionization of neutral acceptors.
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Chen, Y., Hameury, A., Massies, J. et al. Thermal quenching of extrinsic photoluminescence of GaAs-Ga1-x Al x As single quantum well. Il Nuovo Cimento D 10, 1243–1248 (1988). https://doi.org/10.1007/BF02455867
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DOI: https://doi.org/10.1007/BF02455867