Optical and structural properties of ZnO-PbO-B2O3 and ZnO-PbO-B2O3-SiO2 glasses

被引：77
作者：
Singh, D.
Singh, K. [1 ]
Singh, G. [2 ]
Manupriya [3 ]
Mohan, S. [1 ]
Arora, M. [1 ]
Sharma, G. [1 ]
机构：
[1] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India
[2] Punjabi Univ, Dept Phys, Patiala 147001, Punjab, India
[3] Amritsar Coll Engn & Technol, Amritsar 143005, Punjab, India
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2008年 / 20卷 / 07期
关键词：
D O I：
10.1088/0953-8984/20/7/075228
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Borate and borosilicate glasses with compositions of xZnO-2xPbO-(1-3x) B2O3 and xZnO-2xPbO-1/2(1-3x)B2O3-1/2(1-3x)SiO2 with x varying from 0.1 to 0.26 mole fraction were prepared by the conventional melt quench technique. Optical and structural properties have been determined by using ultraviolet-visible (UV/vis) and Fourier transform infrared (FTIR) spectroscopic techniques. Decreases in the band gap from 3.57 to 2.62 eV for borate glasses and from 3.00 to 2.35 eV for borosilicate glasses with an increase in the metal oxide content is observed. The density and molar volume has also been measured. Increases in density from 3.994 to 6.339 g cm(-3) for borate and from 4.221 to 6.548 g cm(-3) for borosilicate glasses are observed with an increase in metal oxide (PbO, ZnO or PbO + ZnO) content. Changes in the atomic structure with composition are observed due to the formation of BO4- units.
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页数：6
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