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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Fizika / Physics (N002)
Author(s): Audzijonis, Algirdas;Sereika, Raimundas;Žaltauskas, Raimundas;Rėza, Alfonsas
Title: Optical properties of BiSBr and BiSeBr crystals
Is part of: Journal of physics and chemistry of solids. , Vol. 72, iss. 12 (2011)
Extent: p. 1501-1505
Date: 2011
Keywords: Semiconductors;Ab initio calculations;Optical properties
Abstract: Optical properties of BiSBr and BiSeBr crystals were investigated by the full potential linearized augmented plane wave (FP-LAPW) method with density-functional theory (DFT). The complex dielectric function and optical constants, such as optical absorption coefficient, refractive index, extinction coefficient, energy-loss spectrum and reflectivity, were calculated and compared in the energy range of 0–30 eV. Origin of anisotropic behavior of optical spectra was also discussed. The plasmon energy hωp was estimated to be 18 eV for BiSeBr and 20 eV for BiSBr crystal
Affiliation(s): Valstybinio mokslinių tyrimų instituto Fizinių ir technologijos mokslų centro Puslaidininkių fizikos institutas,
Vytauto Didžiojo universitetas
Švietimo akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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