Abstract
The multiple quantum wells (MQW) Mg0.27Zn0.73O/ZnO have been grown by pulsed laser deposition method with different well width Lw. The optical and structural characteristics of MQW Mg0.27Zn0.73O/ZnO have been investigated. The quantum confinement effect showing up in the blue shift of exciton peak in low temperature (8 K) photoluminescence spectra at well width reduction has been studied. It is established that intensity exciton peak Iex and Einstein’s characteristic temperature ΘE increase at reduction of well width Lw. It is revealed that the discontinuity ratio of conduction and a valence bands in heterostructure Mg0.27Zn0.73O/ZnO is 0.65/0.35 that corresponds to the literature.
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