RAMAN-STUDY OF LEAD BORATE GLASSES

被引：273

作者：

MEERA, BN ^{[1
]}

SOOD, AK ^{[1
]}

CHANDRABHAS, N ^{[1
]}

RAMAKRISHNA, J ^{[1
]}

机构：

[1] INDIAN INST SCI,DEPT PHYS,BANGALORE 560012,KARNATAKA,INDIA

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 126卷 / 03期

关键词：

D O I：

10.1016/0022-3093(90)90823-5

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：

Glasses in the system xPbO:(100-x)B2O3 (22 less-than-or-equal-to x less-than-or-equal-to 85 mol%) have been studied by Raman spectroscopy with a view to understand the effect of PbO on the borate network. The conversion of three-fold to four-fold coordinated boron takes place primarily by incorporation of BO4 into boroxol rings in the form of pentaborate and diborate units. For high lead content, back conversion of four to three coordination of borons occurs and the network consists primarily of pyroborate, orthoborate and metaborate groups.

引用

页码：224 / 230

页数：7

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