High Temperature Vibration Spectra of Nioboborate Glass Melts

Yang Quanzhu; Wang Zhongcai; Wang Shizhuo

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High Temperature Vibration Spectra of Nioboborate Glass Melts

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- High Temperature Vibration Spectra of Nioboborate Glass Melts
- Optics and Precision Engineering Vol. 0, Issue 5, Pages: 1-6(1990)
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- Published Online：15 October 1990，
  
  Published：15 October 1990
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杨全祖, 王中才, 王世焯. 铌硼酸盐玻璃熔融态的高温振动光谱[J]. 光学精密工程, 1990,(5): 1-6

Yang Quanzhu, Wang Zhongcai, Wang Shizhuo. High Temperature Vibration Spectra of Nioboborate Glass Melts[J]. Editorial Office of Optics and Precision Engineering, 1990,(5): 1-6
杨全祖, 王中才, 王世焯. 铌硼酸盐玻璃熔融态的高温振动光谱[J]. 光学精密工程, 1990,(5): 1-6 DOI：

Yang Quanzhu, Wang Zhongcai, Wang Shizhuo. High Temperature Vibration Spectra of Nioboborate Glass Melts[J]. Editorial Office of Optics and Precision Engineering, 1990,(5): 1-6 DOI：

摘要

本文首次采用高温Raman光谱和高温红外光谱研究了铌硼酸盐玻璃熔融态的结构。在硼玻璃中

化学键B

Ⅲ

—O—B

Ⅳ*

是极不稳定的。当热场作用时

处于环结构中的B

Ⅲ

—O—B

Ⅳ

键将转化为一个较稳定的大混合π键

而连接各集团之间的B

Ⅲ

—O—B

Ⅳ

的化学键断开。当引入Nb

时

则集团[NbO

]和[NbO

]取代[BO

]进入网络

在高温状态下[NbO

]结构的电子云变形

使位于870cm

-1

的Raman张量元为零

但骨架没有塌落

同时[NbO

]失去了O

群的对称性

出现了新的散射峰

（化学键没有断裂）。本工作建立了铌硼酸盐玻璃熔融态的结构模型。

Abstract

This paper first studied the structure of nioboborate glass melts by high temperature Raman spectra and high temperature IR spectra. The experimental results indicated that the B

Ⅲ

-O-B

Ⅳ

bond is very unstable in the boric glass. Under the heating field the bond B

Ⅲ

-O-B

Ⅳ

is converted to a stable big-mixing π bond or broken down. When Nb

is added the [NbO

] and [NbO

]will replace [BO

] and compose the structure network of glass. In this work the structure model of nioboborate glass melts was established.

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