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The effect of hydrogen treatment of cadmium telluride single crystals on their optical transmission spectra

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Author(s): Pigur O. N. | Popovych V. D. | Potera P. | Virt I. S. | Tsybrii (Ivasiv) Z. F.

Journal: Tekhnologiya i Konstruirovanie v Elektronnoi Apparature
ISSN 2225-5818

Issue: 4;
Start page: 35;
Date: 2011;
Original page

Keywords: single crystals of CdTe | CdTe:Cl | hydrogenation | optical properties

ABSTRACT
The influence of low-temperature processing by discharge in atmosphere of hydrogen on p-type single crystals CdTe and CdTe:Cl transmission in transparent region and longwavelength absorption edge have been investigated. The changes in absorption spectra were explained by hydrogen passivation of shallow intrinsic defects of acceptor type based on the vacancy of cadmium, and also by isolated defects initiation with the assistance of hydrogen.
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