Abstract
The spontaneous and stimulated UV luminescence spectra of ZnO:N samples possessing different nitrogen contents are measured at a temperature of 77 K. Luminescence peaks resulting from bound and free excitons, biexcitons, and electron recombination via the nitrogen acceptor level are identified. The optical depth (123 meV) of the NO impurity acceptor level is determined. It is established that stimulated UV luminescence originating from inelastic exciton interaction sets in as the optical pump power increases.
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Translated from Fizika i Tekhnika Poluprovodnikov, Vol. 39, No. 6, 2005, pp. 692–696.
Original Russian Text Copyright © 2005 by Georgobiani, Gruzintsev, Yakimov, Barthou, Benalloul.
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Georgobiani, A.N., Gruzintsev, A.N., Yakimov, E.E. et al. Spontaneous and stimulated UV luminescence of ZnO:N at 77 K. Semiconductors 39, 661–665 (2005). https://doi.org/10.1134/1.1944856
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DOI: https://doi.org/10.1134/1.1944856