Structure and properties of glasses in the system Li2O-SnO-B2O3

被引：14

作者：

Hayashi, A ^{[1
]}

Nakai, M ^{[1
]}

Tatsumisago, M ^{[1
]}

Minami, T ^{[1
]}

机构：

[1] Univ Osaka Prefecture, Grad Sch Engn, Dept Appl Mat Sci, Osaka 5998531, Japan

来源：

COMPTES RENDUS CHIMIE | 2002年 / 5卷 / 11期

基金：

日本学术振兴会;

关键词：

borate glass; SnO based glass; glass-transition temperature; viscosity; glass structure; NMR; XPS;

D O I：

10.1016/S1631-0748(02)01438-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Glasses in the system Li2O-SnO-B2O3 system were prepared by a melt-quenching method. Thermal and viscous properties and local structure of these glasses were investigated. The SnO-B2O3 glasses exhibited relatively low glass-transition temperatures (T-g) around 350 degreesC and excellent thermal stability against crystallization. Viscosity measurements in the vicinity of T-g indicated that the glasses were considerably fragile compared to alkali borate glasses. Fraction of four-coordinated boron was maximized at the composition with 50 mol% SnO and that of nonbridging oxygen, which is not purely ionic in alkali borate systems but partially covalent, augmented with an increase in the SnO content. Correlation between glass properties and structure was discussed in the SnO-B2O3 binary system.

引用

页码：751 / 757

页数：7

共 29 条

[1] SPECTROSCOPY SIMULATION AND SCATTERING, AND THE MEDIUM RANGE ORDER PROBLEM IN GLASS [J].