FTIR structural investigation of gamma irradiated BaO-Na2O-B2O3-SiO2 glasses

被引：74
|
作者：
Kaur, Ravneet [1 ]
Singh, Surinder [1 ]
Pandey, Om Prakash [2 ]
机构：
[1] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India
[2] Thapar Univ, Sch Phys & Mat Sci, Patiala 147004, Punjab, India
来源：
PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 24期
关键词：
Gamma irradiation; Borosilicate glasses; Barium; FT-IR Spectroscopy; Radiation damage; NBOs; SODIUM BOROSILICATE GLASSES; VIBRATIONAL-SPECTRA; SILICATE-GLASSES; BORATE GLASSES; NA2O-B2O3-SIO2;
D O I：
10.1016/j.physb.2012.08.031
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Fourier transform infrared (FT-IR) spectra of xBaO-15Na(2)O-(70-x)B2O3-15SiO(2) glass system with x=0, 5, 10, 15 and 20 (mol%) has been measured in the spectral range 400-4000 cm(-1) at room temperature in order to understand the characteristic frequencies of the chemical bonds and bonding mechanisms, which are susceptible to the structural and spectral changes. The effect of gamma irradiation in the dose range 0.1 kGy-60 kGy on the infrared absorption spectra of these glasses is also reported. The change in the glass structure due to the effect of composition is also discussed. It has been observed that irradiation of the glasses with the gamma rays increases the BO3 groups and the non bridging oxygens which make the network loose. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：4765 / 4769
页数：5
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