Abstract
Results of time-resolved photoluminescence of several heavily nitrogen-doped ZnSe samples ([N] > 10 18 cm −3 are presented, with emphasis on the decay at relatively long times and at a particular wavelength of decay. Both these aspects are well explained by the presence of potential fluctuations in such materials, but not by earlier theories which neglected fluctuations. The observed decay as a function of N concentration is also well explained by our model. We obtain quantitative agreement, and obtain good values for the decay constant W 0 and for the net acceptor concentrations.
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