ON THE STRUCTURE OF ALKALI BORATE GLASSES APPROACHING THE ORTHOBORATE COMPOSITION

被引：35

作者：

CHRYSSIKOS, GD

KAMITSOS, EI

PATSIS, AP

KARAKASSIDES, MA

机构：

[1] Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, Athens, 116 35, 48, Vas. Constantinou Ave

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1990年 / 7卷 / 1-2期

关键词：

D O I：

10.1016/0921-5107(90)90002-S

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Very high alkali content borate glasses xM2O. (1-x)B2O3 (0.50 ≤ x ≤ 0.75) have been studied by means of Raman spectroscopy as a function of the nature and content of alkali oxide. An unusual tetrahedral BO arrangement with the orthoborate stoichiometry was found to predominate in Cs-, Rb- and in part K-borate glasses. The glass formability of the corresponding highly modified borate melts is discussed in terms of chemical equilibria which affect strongly the extent of the network covalency. © 1990.

引用

页码：1 / 4

页数：4

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