Vibrational spectra and structure of mixed alkali borotungstate glasses: Evidence of mixed alkali effect

被引：31

作者：

Edukondalu, A. ^{[1
]}

Rahman, Syed ^{[1
]}

Kumar, K. Siva ^{[1
]}

Sreenivasu, D. ^{[1
]}

机构：

[1] Osmania Univ, Dept Phys, Hyderabad 500007, Andhra Pradesh, India

来源：

VIBRATIONAL SPECTROSCOPY | 2014年 / 71卷

关键词：

Amorphous; FTIR; Melt quenching; Mixed alkali effect; Raman scattering; X-ray diffraction; LITHIUM BORATE GLASSES; OPTICAL-PROPERTIES; ELECTRICAL-PROPERTIES; RAMAN-SPECTROSCOPY; TELLURITE GLASSES; TUNGSTEN; WO3; MOLYBDENUM;

D O I：

10.1016/j.vibspec.2014.01.010

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Mixed alkali borotungstate glasses with xLi(2)O-(30 - x)Na2O-10WO(3)-60B(2)O(3) (0 <= x <= 30) composition were prepared by melt quench technique. FT-IR and Raman spectroscopic studies were employed to investigate the structure of all the prepared glasses. Acting as complementary techniques, both IR and Raman measurements revealed that the network structure of the present glasses mainly based on BO3 and BO4 units placed in different structural groups. Raman spectra confirm the IR results regarding the presence of tungsten ions mainly as WO6 groups. In the present work, the mixed alkali effect (MAE) has been investigated in the above glass system using FTIR and Raman studies. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：91 / 97

页数：9

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