Growth, crystal structure and temperature dependence of the band gap of Cu-=SUB=-2-=/SUB=-ZnGeS-=SUB=-4-=/SUB=- single crystals

Bodnar I V Bodnar I V,Pavlovskii V N Pavlovskii V N,Yablonskii G P Yablonskii G P,Yashchuk V A Yashchuk V A

doi:10.21883/sc.2022.05.53430.9801

Growth, crystal structure and temperature dependence of the band gap of Cu-=SUB=-2-=/SUB=-ZnGeS-=SUB=-4-=/SUB=- single crystals

Bodnar I V Bodnar I V, Pavlovskii V N Pavlovskii V N + Show 2 more

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https://doi.org/10.21883/sc.2022.05.53430.9801

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Journal: Semiconductors

Publication Date: Jan 1, 2022

Affiliation: Belarusian State University of Informatics and Radioelectronics, B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus

#Band Gap Of Cu #Single Crystals + Show 8 more

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Abstract

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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