Please use this identifier to cite or link to this item: http://cris.utm.md/handle/5014/727
Title: Electronic transitions and energy band structure of CuGaxAl1-xSe2 crystals
Authors: MAŞNIC, Alisa 
ZALAMAI, Victor 
URSAKI, Veaceslav 
Keywords: CuGaxAl1-xSe solid solutions;Optical reflectance spectra;Energy band structure;Brillouin zone;Critical points
Issue Date: 2021
Publisher: Elsevier
Project: NanoMedTwin - Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning 
20.80009.5007.20. Nanoarhitecturi în bază de GaN şi matrici tridimensionale din materiale biologice pentru aplicaţii în microfluidică şi inginerie tisulară 
Journal: Optical Materials 
Abstract: 
Optical reflectance spectra have been investigated at photon energies higher than the band gap of CuGaxAl1-xSe solid solutions with x values varying from 0 to 1. The spectral dependence of the real ε1 and imaginary ε2 dielectric functions was calculated from experimental reflectivity spectra by means of Kramers–Kronig relations. The behavior of features observed in reflectivity spectra and in the spectral dependence of the dielectric functions was analyzed as a function of the solid solution composition. The experimentally observed peaks have been tabulated and related to the electronic band structure of materials computed in previous works
Description: 
118 (2021) 111221
URI: http://cris.utm.md/handle/5014/727
ISSN: 0925-3467
DOI: 10.1016/j.optmat.2021.111221
Appears in Collections:Journal Articles

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