Electronic structure of an oxygen vacancy in Al2O3 from the results of Ab Initio quantum-chemical calculations and photoluminescence experiments

被引：0

作者：

V. A. Pustovarov

V. Sh. Aliev

T. V. Perevalov

V. A. Gritsenko

A. P. Eliseev

机构：

[1] Ural State Technical University,Institute of Semiconductor Physics, Siberian Branch

[2] Russian Academy of Sciences,Institute of Geology and Mineralogy, Siberian Branch

[3] Russian Academy of Sciences,undefined

来源：

Journal of Experimental and Theoretical Physics | 2010年 / 111卷

关键词：

Oxygen Vacancy; Aluminum Atom; Luminescence Excitation Spectrum; Conduction Band Bottom; Exoelectron Emission;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The electronic structure of an oxygen vacancy in α-Al2O3 and γ-Al2O3 is calculated. The calculation predicts an absorption peak at an energy of 6.4 and 6.3 eV in α-Al2O3 and γ-Al2O3, respectively. The luminescence and luminescence excitation spectra of amorphous Al2O3 are measured using synchrotron radiation. The presence of a luminescence band at 2.9 eV and a peak at 6.2 eV in the luminescence excitation spectrum indicates the presence of oxygen vacancies in amorphous Al2O3.

引用

页码：989 / 995

页数：6

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