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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Luminescence spectra and optical properties of TeO
2
-WO
3
-Li
2
O glasses doped with Nd, Sm and Er rare earth ions
Physica B: Condensed Matter, Volume 406, No. 4, Year 2011
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Description
New tellurite glass series of the form (70-x)TeO2-20WO 3-10Li2O-xLn2O3, where x=0, 1, 3 and 5 mol% and Ln=Nd, Sm and Er, were prepared. Density of the prepared glasses was measured and molar volume was calculated. Luminescence spectra of the prepared glasses were measured at room temperature using a micro-Raman spectrometer. The obtained luminescence intensity ratio was correlated with the rare earth ion concentration, the short distance between the identical rare earth ions r(LnLn) and the glass density. Optical properties like refractive index, molar refractivity and optical polarizability were theoretically calculated in order to interpret the dependence of these properties on the rare earth ion content. © 2010 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Hager, I. Z.
Egypt, Shibin el Kom
Faculty of Science
El-Mallawany, Raouf A.H.
Saudi Arabia, Arar
Northern Border University
Bulou, Alain D.F.
France, Le Mans
Le Mans Université
Statistics
Citations: 71
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/j.physb.2010.12.041
ISSN:
09214526