Exciton formation and energy exchange with d-electron states in ZnSe/(Zn,MN)Se multiple quantum wells

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...

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Bibliographic Details
Published in:Applied physics letters 1986-02, Vol.48 (5), p.372-374
Main Authors: HEFETZ, Y, GOLTSOS, W. C, NURMIKKO, A. V, KOLODZIEJSKI, L. A, GUNSHOR, R. L
Format: Article
Language:English
Subjects:
Applied sciences
Electronics
Exact sciences and technology
Interfaces
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Summary: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.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.96556