Positively and Negatively Charged Excitons in a Semiconductor Quantum Well
β Scribed by C. Riva; F.M. Peeters; K. Varga
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 150 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0370-1972
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Using time-resolved photoluminescence, we have investigated the radiative behavior of neutral and negatively charged excitons in CdTe-based quantum wells. We find that the photoluminescence of negatively charged excitons can be well reproduced by a model of delocalized and thermalized three-particle
The formation dynamics of charged excitons is studied in CdTe-based quantum wells by picosecond time-resolved photoluminescence. The formation time is obtained by an analysis of temporal behavior of photoluminescence signal after excitation in resonance with either neutral or charged exciton. It is