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Proceedings Paper

Chlorine-related photoluminescence of CdTe gamma detector material
Author(s): P. N. Tkachuk; V. I. Tkachuk; Dmytro V. Korbutyak; N. D. Raransky
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Paper Abstract

Etching with bromine in methanol of the CdTe single crystals (as-grown and purified by extraction treatments) was performed on the (110) and (111)A surfaces. The crystals have been studied by Auger electron spectroscopy and low temperature photoluminescence. A correlation between results of Auger electron spectroscopy and features of photoluminescence spectra has been found. On the basis model which considers that etching related Cl acts as a non-(Gamma) associated defect the `hot' photoluminescence beyond the fundamental absorption edge of CdTe has been explained.

Paper Details

Date Published: 20 April 1998
PDF: 5 pages
Proc. SPIE 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997, (20 April 1998); doi: 10.1117/12.306230
Show Author Affiliations
P. N. Tkachuk, Chernivtsi State Univ. (Ukraine)
V. I. Tkachuk, Chernivtsi State Univ. (Ukraine)
Dmytro V. Korbutyak, Institute of Semiconductor Physics (Ukraine)
N. D. Raransky, Chernivtsi State Univ. (Ukraine)


Published in SPIE Proceedings Vol. 3359:
Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997
Sergey V. Svechnikov; Mikhail Ya. Valakh, Editor(s)

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