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      Optical properties and electronic band structure of topological insulators on A2 5B36 compound based

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      Author
      Koc H.
      Mamedov, Amirullah M.
      Özbay, Ekmel
      Date
      2012
      Source Title
      Proceedings of ISAF-ECAPD-PFM 2012
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      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 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
      Permalink
      http://hdl.handle.net/11693/28148
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/ISAF.2012.6297780
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      • Nanotechnology Research Center (NANOTAM) 1006
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