Open AccessStudy of electronic structure and optical propertise of -AlON crystal
Author(s) -
Lijun Pan,
Tiecheng Lu,
Rui Su,
Yuezhong Wang,
Jianqi Qi,
Fang Jia,
Yi Zhang,
Duanwei He
Publication year - 2012
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.61.027101
Subject(s) - refractive index , materials science , dielectric function , dielectric , optics , range (aeronautics) , reflection (computer programming) , density of states , spectral line , plane wave , absorption spectroscopy , absorption (acoustics) , condensed matter physics , molecular physics , physics , optoelectronics , quantum mechanics , computer science , composite material , programming language
Based on the density function theory, the electronic structure, densities of states, and optical properties of -AlON are calculated by using the local density approximation and plane-wave pseudoptential method. The complex dielectric functions and the optical properties including refractive index, reflection spectra, absorption spectra of -AlON are analyzed in terms of calculated density of state. As shown by the theoretical calculation, the static dielectric function of -AlON is 1(0)=2.60, and the refractive index is n0=1.61, its absorptions in a range from IR to NUV and a UV range up to 20.23eV all approach to zero, showing the optical transparent behaviors . The calculated results are consistent with relevant experimental values, providing theoretical basis and reference for the application of the optical material to windows and domes.