STRUCTURE AND CHEMICAL DURABILITY OF ZINC-CONTAINING GLASSES

被引：30

作者：

ENNAS, G ^{[1
]}

MUSINU, A ^{[1
]}

PICCALUGA, G ^{[1
]}

MONTENERO, A ^{[1
]}

GNAPPI, G ^{[1
]}

机构：

[1] UNIV PARMA,IST STRUTT CHIM,I-43100 PARMA,ITALY

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 125卷 / 1-2期

关键词：

D O I：

10.1016/0022-3093(90)90337-L

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 structural role of Zn(II) in borosilicate glasses has been investigated by comparing X-ray diffraction data from a glass of the system Na2OLi2OZnOSiO2B2O2 with those obtained from a Zn-free borosilicate matrix and from a sample having nearly the same composition, but containing CoO instead of ZnO. Difference radial distribution curves were calculated in order to determine the environment of Zn(II) and Co(II) atoms. It is concluded that both transition metal atoms are surrounded by approximately four oxygen neighbours at distances expected for fourfold coordination. © 1990.

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页码：181 / 185

页数：5

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