Determination of energy gap in Cd1-xZnxTe (x = 0-0.06)

Franc, J. and Hli­dek, P. and Moravec, P. and Belas, E. and Hoschl, P. and Turjanska, L. and Varghova, R. (2000) Determination of energy gap in Cd1-xZnxTe (x = 0-0.06). Semiconductor Science and Technology, 15 (6). pp. 561-564. ISSN 0268-1242

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Abstract

A dependence of energy gap on composition x for Cd1-xZnxTe (x = 0-0.06) was found combining x-ray diffraction and low temperature photoluminescence measurements (free exciton energy) on Cd1-xZnxTe single crystals. The use of this dependence for evaluation of Zn content (x) in the crystals shows very good agreement with the near infrared absorption method. Published dependences Eg(x) are reviewed and compared with the dependence Eg(x, T = 4 K) = 1.606 + 0.520x + 0.254x2 derived in this work.

Keywords:Absorption spectroscopy, Binding energy, Energy gap, Excitons, Infrared spectroscopy, Lattice constants, Photoluminescence, Single crystals, X ray diffraction analysis, Low temperature photoluminescence measurement, Near infrared absorption spectra, Semiconducting cadmium compounds
Subjects:F Physical Sciences > F300 Physics
Divisions:College of Science > School of Chemistry
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ID Code:22505
Deposited On:07 Apr 2016 07:54

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