Dft And X-ray Study Of Structural, Electronic, Elastic And Optical Properties In Be1–xznxs Alloys Depending On Vegard’s Law

Authors: Gultekin, A., Pashaei, P., Khan, Z., Ozturk, M.K., Tamer, M. and Bas, Y.

http://eprints.bournemouth.ac.uk/23118/

http://www.witpress.com/elibrary/cmem-volumes/3/4/1055

Journal: International Journal of Computational Methods and Experimental Measurements

Volume: 3

Issue: 4

Pages: 340-349

Publisher: Witpress

eISSN: 2046-0554

ISSN: 2046-0546

DOI: 10.2495/CMEM-V3-N4-340-349

Structural, optical and electronic properties and elastic constants of Be1–xZnxS alloys have been studied by employing the commercial code Castep based on density functional theory. The generalized gradient approximation and local density approximation were utilized as exchange correlation. Using elastic constants for compounds, bulk modulus, band gap, Fermi energy and Kramers–Kronig relations, dielectric constants and the refractive index have been found through calculations. Apart from these, X-ray measurements revealed elastic constants and Vegard’s law. It is seen that results obtained from theory and experiments are all in agreement.

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