Effect of biaxial strain on electronic and optical properties of GaSe monolayer
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How to Cite

1.
Vi VTT, Chương NV, Hiếu NV, Hiếu NN. Effect of biaxial strain on electronic and optical properties of GaSe monolayer. HueUni-JNS [Internet]. 2020Jul.3 [cited 2020Dec.5];129(1C):109-16. Available from: http://jos.hueuni.edu.vn/index.php/HUJOS-NS/article/view/5882

Abstract

In this paper, using density functional theory, we systematically investigate the effect of biaxial strain on electronic and optical properties of GaSe two-dimensional layered material with monolayer structure. The calculations indicate that monolayer GaSe is an indirect semiconductor with a bandgap of 1.903 eV at equilibrium. The electronic properties of the GaSe monolayer, especially the bandgap energy, depend strongly on the biaxial strain. The GaSe monolayer has a wide absorption spectrum, from the visible light region to the near-ultraviolet one. Besides, the strain engineering significantly changes the intensity as well as the position of the peaks in the optical spectra of monolayer GaSe.

https://doi.org/10.26459/hueuni-jns.v129i1C.5882
PDF (Vietnamese)

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