Distribution of luminescence centers in the bulk of undoped, Fe-doped, and Cr-doped CVD ZnSe polycrystals studied by two-photon confocal microscopy
- Autores: Gavrishchuk E.M.1, Gladilin A.A.2, Danilov V.P.2, Ikonnikov V.B.1, Il’ichev N.N.2, Kalinushkin V.P.2, Ryabova A.V.2, Studenikin M.I.2, Timofeeva N.A.1, Uvarov O.V.2, Chapnin V.A.2
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Afiliações:
- Devyatykh Institute of Chemistry of High-Purity Substances
- Prokhorov General Physics Institute
- Edição: Volume 52, Nº 11 (2016)
- Páginas: 1108-1114
- Seção: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/157992
- DOI: https://doi.org/10.1134/S0020168516110017
- ID: 157992
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Resumo
Edge and defective-impurity luminescence in polycrystalline CVD ZnSe has been studied in the range 0.46–0.73 μm by two-photon confocal microscopy. We have obtained luminescence intensity distribution maps for undoped, iron-doped, and chromium-doped ZnSe samples at depths of up to 1 mm with a spatial resolution of a few microns. It has been shown that crystal regions with low dopant concentrations contain centers that luminesce in the ranges 520–580 and >670 nm. The parts of the crystals with high iron and chromium concentrations contain centers that suppress the edge and defective-impurity (520–580 nm) luminescence. We discuss the nature of these centers and demonstrate the possibility of assessing the luminescence characteristics of grain boundaries in CVD ZnSe.
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Sobre autores
E. Gavrishchuk
Devyatykh Institute of Chemistry of High-Purity Substances
Autor responsável pela correspondência
Email: gavr@ihps.nnov.ru
Rússia, ul. Tropinina 49, Nizhny Novgorod, 603950
A. Gladilin
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
V. Danilov
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
V. Ikonnikov
Devyatykh Institute of Chemistry of High-Purity Substances
Email: gavr@ihps.nnov.ru
Rússia, ul. Tropinina 49, Nizhny Novgorod, 603950
N. Il’ichev
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
V. Kalinushkin
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
A. Ryabova
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
M. Studenikin
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
N. Timofeeva
Devyatykh Institute of Chemistry of High-Purity Substances
Email: gavr@ihps.nnov.ru
Rússia, ul. Tropinina 49, Nizhny Novgorod, 603950
O. Uvarov
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
V. Chapnin
Prokhorov General Physics Institute
Email: gavr@ihps.nnov.ru
Rússia, ul. Vavilova 38, Moscow, 119991
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