Chlorine-related photoluminescence of CdTe gamma detector material

P. N. Tkachuk; V. I. Tkachuk; Dmytro V. Korbutyak; N. D. Raransky

doi:10.1117/12.306230

20 April 1998 Chlorine-related photoluminescence of CdTe gamma detector material

P. N. Tkachuk, V. I. Tkachuk, Dmytro V. Korbutyak, N. D. Raransky

Proceedings Volume 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997; (1998) https://doi.org/10.1117/12.306230
Event: International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, 1997, Kiev, Ukraine

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.

Citation Download Citation

P. N. Tkachuk, V. I. Tkachuk, Dmytro V. Korbutyak, and N. D. Raransky "Chlorine-related photoluminescence of CdTe gamma detector material", Proc. SPIE 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997, (20 April 1998); https://doi.org/10.1117/12.306230

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