Exciton formation and energy exchange with d-electron states in ZnSe/(Zn,Mn)Se multiple quantum wells
- 3 February 1986
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 48 (5) , 372-374
- https://doi.org/10.1063/1.96556
Abstract
Time‐resolved photoluminescence at low temperatures has been studied in ZnSe/(Zn,Mn)Se multiple quantum wells and (Zn,Mn)Se thin films, with emphasis on determination of the exciton formation rate and the energy transfer to the Mn‐ion d‐electron states, the latter contributing to the dominant yellow luminescence in (Zn,Mn)Se. In the quantum well samples which show efficient exciton (blue) emission, the capture of electron‐hole pairs to the ZnSe layers on a picosecond timescale is sufficiently rapid to substantially reduce the yellow luminescence.Keywords
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