Crystallization kinetics of AlF3-based glasses doped with rare earth ions

被引：2

作者：

Iqbal, T ^{[1
]}

Kayani, AN ^{[1
]}

Shariari, MR ^{[1
]}

Sigel, GH ^{[1
]}

机构：

[1] RUTGERS STATE UNIV,FIBER OPT MAT RES PROGRAM,PISCATAWAY,NJ 08855

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1997年 / 213卷

关键词：

D O I：

10.1016/S0022-3093(97)00044-6

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：

Different concentrations of NdF3, PrF3(,) and PrF3, codoped with YbF3, ranging from 0.25 to 2.0 wt%, have been added to an AlF3-base glass with composition (mol%) 30.2AlF(3)- 10.6BaF(2)-20.2CaF(2)-8.3YF(3)-3.5MgF(2)-3.8NaF-13.2SrF(2)-10.2ZrF(4). The Avrami exponent, n, and activation energy, E, for the base glass, as well as the doped glasses, have been calculated by analyzing the differential scanning calorimetry curves, according to the amended Ozawa-Chen and Augis and Benett equations. In light of these results, we observe that the introduction of suitable amounts of rare-earth ions improved the thermal stability of the base glass.

引用

页码：404 / 408

页数：5

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