Glass Formation and Optical Band Gap Studies on Bi2O3-B2O3-BaO Ternary System

被引：28

作者：

Chen Feifei ^{[1
]}

Dai Shixun ^{[1
]}

Nie Qiuhua ^{[1
]}

Xu Tiefeng ^{[1
]}

Shen Xiang ^{[1
]}

Wang Xunsi ^{[1
]}

机构：

[1] Ningbo Univ, Coll Informat Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2009年 / 24卷 / 05期

基金：

中国国家自然科学基金;

关键词：

glass formation; bismuth glass; refractive index; optical band gap; BISMUTH OXIDE; NONLINEARITIES; SPECTRA;

D O I：

10.1007/s11595-009-5716-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The glass forming region of Bi2O3-B2O3-BaO ternary system was investigated. A serial of glass samples with high Bi2O3 content in Bi2O3-B2O3-BaO system were prepared by using conventional melting and quenching meld, and the refractive indexes and absorption spectra of samples were measured. It is found that the refractive index of samples as well as the UV absorption increase with the increase of BaO content. According to the Tauc law, optical band gap E-opg which is assumed to be the effective energy band gap E-g is calculated and decreases with the increasing BaO content, and the ratio of E-g/E-opg is 1.3.

引用

页码：716 / 720

页数：5

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