Kinetics of Low-Temperature Microphotoluminescence of Exciton-Impurity Complexes in CdZnTe Single Crystals
- Autores: Pruchkina A.A.1, Chentsov S.I.1, Krivobok V.S.1, Nikolaev S.N.1, Onishchenko E.E.1, Bagaev V.S.1, Skorikov M.L.1
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Afiliações:
- Lebedev Physical Institute
- Edição: Volume 45, Nº 5 (2018)
- Páginas: 131-135
- Seção: Article
- URL: https://journals.rcsi.science/1068-3356/article/view/228625
- DOI: https://doi.org/10.3103/S1068335618050019
- ID: 228625
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Resumo
Low-temperature (6.5 K) microphotoluminescence near the intrinsic absorption edge of CdZnTe alloy single crystals is studied under conditions of non-resonant and resonant excitation by picosecond pulses. Characteristic relaxation times for free excitons and exciton-impurity complexes of various types are determined. A significant (by a factor of 4–8) decrease in the photoluminescence signal decay time of exciton-impurity complexes on neutral donors during the transition to the resonant excitation mode is detected. The detected sharp decrease in the photoluminescence signal decay time can indicate the manifestation of collective effects in this system of emitters.
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Sobre autores
A. Pruchkina
Lebedev Physical Institute
Autor responsável pela correspondência
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
S. Chentsov
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
V. Krivobok
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
S. Nikolaev
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
E. Onishchenko
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
V. Bagaev
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
M. Skorikov
Lebedev Physical Institute
Email: pruchkina-aa@mail.ru
Rússia, Leninskii pr. 53, Moscow, 119991
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