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Growth, crystal structure and temperature dependence of the band gap of Cu₂ZnGeS₄ single crystals

Russian version

DOI: 10.21883/SC.2022.05.53430.9801

Bodnar I. V. ¹, Yashchuk V. A. ¹, Pavlovskii V. N. ², Yablonskii G. P. ²

¹Belarusian State University of Informatics and Radioelectronics, Minsk, Belarus
²B.I.Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus

Email: chemzav@bsuir.by

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Abstract
References
Статистика просмотров

Cu₂ZnGeS₄ single crystals were grown by chemical vapor transport reaction method. Their composition and crystal structure were determined. It was shown that the obtained single crystals crystallize in a tetragonal structure. The band gap of the obtained single crystals was determined basing on transmission spectrum in the region of the absorption edge in temperature range of 10-320 K. It was found that band gap width increases with decreasing of temperature. Keywords: Bridgman method, single crystals, crystal structure, transmission spectrum, band gap.

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