Long-time Luminescence Kinetics of Localized excitons and conduction Band Edges Smearing in ZnSe(1-c)Tec Solid Solutions

O. Klochikhin, S. G. Ogloblin, S. Permogorov, A. Reznitsky, C. Klingshirn, Lyssenko Vadim, Jørn Märcher Hvam

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

It is shown that the integrated luminescence intensity of localized excitons in solid solutions ZnSe(1 - c)Tec has a component slowly decaying with time. After the excitation above the mobility threshold, the long-time intensity decreases exponentially, with a fractional exponent changing from a value corresponding to the critical index of anomalous diffusion to the index of normal diffusion as the temperature increases from 5 to 80 K. This change allows estimation of the energy scale for the fluctuation tail of the conduction band. (C) 2000 MAIK "Nauka / Interperiodica".
Original languageEnglish
JournalJ E T P Letters
Volume72
Issue number6
Pages (from-to)320-323
ISSN0021-3640
DOIs
Publication statusPublished - 2000

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