期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 358, 期 1, 页码 25-29出版社
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2011.08.015
关键词
UV-Vis absorption; ESR; FT-IR; WS+ ions
资金
- University Grants Commission, Government of India, New Delhi [F.37-4/2009(SR)]
40PbO-(10-x)PbF2-50SiO(2):xWO(3) (where x = 1 to 7 mol%) glasses are prepared in the glass forming region. Spectroscopic studies (UV-Vis absorption, ESR, IR) are carried out for these glasses. Interesting changes are observed in the spectroscopic parameters of these glasses when the concentration of WO3 is changing in the glass matrix. Two absorption bands are observed around at 830 and 620 nm. ESR signal are measured at room temperature for these glasses, the strength of the signal is increased and hyperfine splitting is resolved with increasing the concentration of WO3 in the glass matrix. IR transmission gives valuable information about the nature of bonds in the glass matrix. The physical parameters along with spectroscopic parameters are measured. (C) 2011 Elsevier B.V. All rights reserved.
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