Raman and infrared study of (PbO)x(P2O5)(1-x) glasses

被引：142
作者：
Le Saoût, G [1 ]
Simon, P [1 ]
Fayon, F [1 ]
Blin, A [1 ]
Vaills, Y [1 ]
机构：
[1] CNRS, Ctr Rech Mat Hautes Temp, F-45071 Orleans 2, France
来源：
JOURNAL OF RAMAN SPECTROSCOPY | 2002年 / 33卷 / 09期
关键词：
D O I：
10.1002/jrs.911
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The structure of binary (PbO)(x)(P2O5)((1-x)) glasses was investigated using Raman scattering and infrared spectroscopy, over the compositional range x = 0.5-0.68. The distribution of the phosphate groups (PO2)(-), (PO3)(2-), (P2O7)(4-) and (PO4)(3-), determined from the simulation of Raman spectra in the 800-1500 cm(-1) wavenumber range, indicates a significant disproportionation reaction :near the pyrophosphate composition and shows a phosphorus connectivity scheme in the glass structure in agreement with P-31 magic angle spinning NMR results. The low-wavenumber Raman spectra of glasses are discussed in the light of the spectra of crystals. The mode laying in the far-infrared region and due to lead-oxygen vibrations exhibits a composition-dependent wavenumber that correlates with bulk glass properties such as glass transition temperature. Copyright (C) 2002 John Wiley Sons, Ltd.
引用
收藏
页码：740 / 746
页数：7
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