Optical and electronic properties of defect chalcopyrite ZnGa<sub>2</sub>S<sub>4</sub>-Reference-Cited by-同舟云学术

Optical and electronic properties of defect chalcopyrite ZnGa₂S₄

Published:2023-02-22 Issue:01 Volume:38 Page:
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

Asadullayeva S. G.¹²^ORCID,Ismayilova N. A.¹³,Musayev M. A.²,Abbasov I. I.²

Affiliation:

1. Institute of Physics Ministry of Science and Education Republic of Azerbaijan Baku, AZ-1143, Azerbaijan

2. Azerbaijan State Oil and Industry University, Baku AZ 1010, Azerbaijan

3. Western Caspian University, Baku, AZ-1001, Azerbaijan

Abstract

In this paper, we have performed a study on the optical properties of single crystals ZnGa2S4 by method of density functional theory (DFT) and ellipsometry measurements. The calculated results for the real [Formula: see text] and imaginary [Formula: see text] parts of the dielectric function are compared with the measured experimental spectroscopic ellipsometry (SE) spectra in the 0.7–6.5 eV spectral region. Absorption coefficient-photon energy dependency revealed the existence of direct bandgap transitions with energy 3.5 eV. This result is very close to bandgap obtained from our theoretical calculation.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979224500073

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