Physica Status Solidi B, ( ISI ), Year (2009-1) , Pages (1072-1081)

Title : ( Optical properties of pure and transition metal-doped indium oxide )

Authors: Hossein Asghar Rahnamaye Aliabad , Mohammad Hosseini , Ahmad Kompany , عباس یوسفی , Ebrahim Attaran kakhki ,

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The band structure, the dielectric function, the reflectivity, the refractive index and the oscillator strength sum rule were calculated for pure In2O3 and alloyed In1.5T0.5O3 (where T represents Sc, Y, La and Ac) using density functional theory (DFT). The full potential linearized augmented plane wave (FP-LAPW) method was used with the local density approximation (LDA + U). Calculations of the optical spectra were performed for the energy range 0–30 eV. The calculated results indicate that the upper valance bands of In2O3 show a small dispersion and the value of the band gap increases for Sc and Y dopants and decreases for Ac and La dopants. The calculations indicate that there are two band gaps for In2O3. The first shows a strong optical absorption, as a direct band gap occurs from a 0.81 eV energy level below the top of valence band. The second shows a much weaker absorption from the top of the valence band to the bottom of the conduction band. The refractive index for In2O3 is 1.69 nm at 800 nm, near the visible region.

Keywords

, PACS 71.15.Mb, 71.55.Gs,
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@article{paperid:1009868,
author = {Rahnamaye Aliabad, Hossein Asghar and Hosseini, Mohammad and Kompany, Ahmad and عباس یوسفی and Attaran Kakhki, Ebrahim},
title = {Optical properties of pure and transition metal-doped indium oxide},
journal = {Physica Status Solidi B},
year = {2009},
month = {January},
issn = {0370-1972},
pages = {1072--1081},
numpages = {9},
keywords = {PACS 71.15.Mb; 71.55.Gs; 78.20.Bh},
}

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%0 Journal Article
%T Optical properties of pure and transition metal-doped indium oxide
%A Rahnamaye Aliabad, Hossein Asghar
%A Hosseini, Mohammad
%A Kompany, Ahmad
%A عباس یوسفی
%A Attaran Kakhki, Ebrahim
%J Physica Status Solidi B
%@ 0370-1972
%D 2009

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