CRYSTALLIZATION KINETICS AND ACTIVATION-ENERGIES IN THE BI-SE-IN GLASSY SYSTEM

被引：8

作者：

AFIFY, N ^{[1
]}

MOHARRAM, AH ^{[1
]}

DONGOL, M ^{[1
]}

HAFIZ, MM ^{[1
]}

机构：

[1] ASSIUT UNIV,DEPT PHYS,QENA,EGYPT

来源：

PHYSICA B | 1992年 / 176卷 / 04期

关键词：

D O I：

10.1016/0921-4526(92)90235-K

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Crystallization kinetics of the Bi10Se90-xInx glasses with x = 5, 10, and 20 at % have been studied under non-isothermal conditions. From the heating rate dependence of T(g) and T(p), values of the activation energy for the glass transition (E(t)) and the activation energy for crystallization (E(c)) are evaluated and their composition dependence discussed. DSC thermograms and X-ray diffractograms are useful in clarifying the role of In content on the crystallization phases and the electrical resistivity of these glasses. The results indicate that the crystallization mechanism involves several complex processes and that bulk crystallization with three-dimensional growth dominates over the other crystallization processes.

引用

页码：301 / 308

页数：8

共 18 条

[1] METHOD FOR EVALUATING VISCOSITIES OF METALLIC GLASSES FROM RATES OF THERMAL TRANSFORMATIONS [J].