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

页码：12 / 17

页数：6

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