STRUCTURE OF GLASSES IN PBO-V2O5 SYSTEM

被引：71

作者：

DIMITROV, V

DIMITRIEV, Y

机构：

[1] Higher Institute of Chemical Technology, Sofia

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 122卷 / 02期

关键词：

D O I：

10.1016/0022-3093(90)91058-Y

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：

Structural models for glasses of the PbO-V2O5 system in 0-75 mol% PbO range are discussed. On the basis of IR-spectral investigations by comparing with known crystalline structure of V2O5, PbV2O6 and Pb2V2O7, it is shown that the basic structural units in glasses in this composition range are unaffected VO5 groups (a band at 1020 cm-1), affected VO5 groups (bands at 970-950 cm-1), V2O7 pyrovanadate units (bands at 860 cm-1 and 780 cm-1) and VO4 isolated tetrahedra (a band at 760 cm-1). © 1990.

引用

页码：133 / 138

页数：6

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