High-energy electron irradiation and B coordination in Na2O-B2O3-SiO2 glass

被引：33
|
作者：
Jiang, N [1 ]
Silcox, J
机构：
[1] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85201 USA
[2] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14850 USA
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2004年 / 342卷 / 1-3期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/j.jnoncrysol.2004.07.001
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：
The effects of high-energy electron irradiation and the fractions of B atoms in particular sites in a Na borosilicate glass have been studied using time resolved electron energy loss spectroscopy in a scanning transmission electron microscope. Conversion of B atoms from the tetrahedral into trigonal coordination under irradiation has been observed. A mechanism for high-energy electron irradiation processes in Na borosilicate glasses is proposed based on the evolution of the near-edge fine structures of the B K, Si L and O K-edges. (C) 2004 Published by Elsevier B.V.
引用
收藏
页码：12 / 17
页数：6
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