Crystallization process of lithium oxysulfide glasses

被引：15

作者：

Hayashi, A ^{[1
]}

Tatsumisago, M ^{[1
]}

Minami, T ^{[1
]}

机构：

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

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2000年 / 276卷 / 1-3期

基金：

日本学术振兴会;

关键词：

D O I：

10.1016/S0022-3093(00)00271-4

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Crystallization kinetics and structural change during crystallization of the (100 - x)(0.6Li(2)S . 0.4SiS(2)) . xLi(3)PO(4) oxysulfide glasses were investigated. The activation energies, E-a, for crystal growth estimated by the modified Kissinger equation ranged from 168 to 447 kJ/mol. The composition dependence of E-a showed opposite variation to that of the difference in the temperatures of crystallization and glass transition. This inverse correlation was explained in terms of the fragility of the oxysulfide system. Solid-state nuclear magnetic resonance (NMR) measurements revealed that the silicon and phosphorus atoms coordinated with both sulfur and oxygen atoms present in the oxysulfide glasses were not detected after crystallization. Relationship between the thermal stability of these glasses and the magnitude of the structural change during crystallization is discussed. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：27 / 34

页数：8

共 23 条

[11] Si-29 and P-31 MAS-NMR spectra of Li2S-SiS3-Li3PO4 rapidly quenched glasses [J].