Optical properties and electronic band structure of topological insulators on A 2 5B 3 6 compound based
Date
2012Source Title
Proceedings of 2012 21st IEEE Int. Symp. on Applications of Ferroelectrics held jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE PFM, ISAF/ECAPD/PFM 2012
Language
English
Type
Conference PaperItem Usage Stats
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Show full item recordAbstract
We have performed a first principles study of structural, electronic, and optical properties of rhombohedral Sb 2Te 3 and Bi 2Te 3 compounds using the density functional theory within the local density approximation. The lattice parameters, bulk modulus, and its pressure derivatives of these compounds have been obtained. The linear photon-energy dependent dielectric functions and some optical properties such as the energy-loss function, the effective number of valance electrons and the effective optical dielectric constant are calculated and presented in the study © 2012 IEEE.
Keywords
ab initio calculationelectronic structure
optical properties
Ab initio calculations
Dielectric functions
Electronic band structure
First-principles study
Optical dielectric constant
Pressure derivatives
Topological insulators
Bismuth compounds
Dielectric materials
Electronic structure
Local density approximation
Optical properties
Antimony compounds