Abstract
The features of the emission spectra of high-purity CVD ZnSe condensates grown with excess selenium and strong oxygen doping were studied. Investigated prevalent in the spectra of low-temperature cathodoluminescence of ZnSe∙O abnormal edge emission 477-490 nm to ascertain its nature. The connection of this luminescence with the stoichiometric composition of ZnSe and the concentration of dissolved oxygen is established.Obtained data indicating the role admixture of copper. Based on the theory of anti-crossing zones, a band model is presented, explaining the nature of the main luminescence bands of ZnSe∙O in the near edge region of the spectrum. It is shown that the model is identical for ZnSe, ZnS and CdS.
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