S. Marcinkevičius, A. Krotkus, R. Leon, C. Jagadish, N. Welham, M. Gal
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Picosecond lifetimes and exciton quenching induced by metallic precipitation in InP:Cu
The effects of metallic precipitation in undoped InP on its lifetime and luminescence have been studied in samples with a gradually increasing concentration of metallic precipitates. It was found that the nonequilibrium carrier decay in this material occurs on picosecond time scale and is of a qualitatively different shape than in materials where deep level traps act as the main recombination centres.
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