UV-visible, infrared and Raman spectroscopic and thermal studies of tungsten doped lead borate glasses and the effect of ionizing gamma irradiation

被引：0
|
作者：
El-Kheshen, Amany A. [1 ]
El-Batal, Fatma H. [1 ]
Marzouk, Samir Y. [2 ]
机构：
[1] Natl Res Ctr, Glass Res Dept, Cairo, Egypt
[2] Natl Res Ctr, Electron Microscope & Thin Films Dept, Cairo, Egypt
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2008年 / 46卷 / 04期
关键词：
UV-visible; Raman spectra; lead borate glasses; tungsten; gamma radiation;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ultraviolet-visible, infrared and Raman spectroscopy together with thermal properties were measured for undoped and WO3 - doped (up to 10%) lead borate glasses. Also, the effect of gamma irradiation was followed by UV-visible measurements. The UV-visible spectrum of the undoped glass reveals before irradiation intense ultraviolet bands due to the combined effects of trace iron impurities (Fe3+) and Pb2+ ions which remain unchanged with the addition of WO3, Infrared and Raman measurements show characteristic bands due to borate group and the possible sharing of lead-oxygen and tungsten-oxygen groups. The studied glasses show obvious resistance to gamma irradiation. The thermal and density data are correlated with the introduction of highly polarizable and heavy (W6+) ions and to the change in structural arrangement with varying glass composition.
引用
收藏
页码：225 / 238
页数：14
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