Theoretical method for non-crystalline growth

被引:1
作者
Paredes, R [1 ]
Naumis, GG [1 ]
Barrio, RA [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
关键词
D O I
10.1016/j.jnoncrysol.2003.08.011
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
A method of agglomeration of atomic units is developed to investigate some important features of the statistical processes that take place when a glass is formed. In particular, by allowing several free valences to be saturated in a single agglomeration step, the growth is non-dendritic.-The process becomes non-linear, and it has to be treated self-consistently. The sites whose bonds are completely saturated in each step become important and their final concentration changes abruptly at the transition temperature for any value of the modifier concentration. (C) 2003 Elsevier B.V. All rights reserved.
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页码:48 / 52
页数:5
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