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Optical and Structural Properties of Cerium Doped Zinc Phosphate Glasses

Manpreet Kaur*

*Assistant Professor, Department of Physics, DAV College, Amritsar, India.

Periodicity:January - March'2018
DOI : https://doi.org/10.26634/jms.5.4.13970

Abstract

Phosphate glasses having composition 50P₂O₅ -10Al₂O₃ -20ZnO-(20-x)Na₂O-xCeO₂ with x varying from 0- 5 mol% have been prepared using the conventional melt quench technique. The amorphous nature of prepared glasses is confirmed from the XRD spectra. The density of prepared glasses has been evaluated using the Archimedes' principle. The density of the prepared glasses is found to increase with the concentration of CeO₂ while molar volume just follows the reverse trend. The density and molar volume values are then used to calculate rare earth ion concentration, polaron radius, inter-nuclear distance, and field strength. UV-Visible absorption spectroscopy has been carried out in the range 300-1000 nm. The onset value of absorption edge is shifted from 370 nm to higher wavelengths with cerium doping and the absorption coefficient is enhanced. The indirect optical band gap energies have been found to be attenuated with CeO₂ doping due to formation of more Non-bridging Oxygen (NBOs) atom. Fourier Transform-Infrared Spectroscopy (FTIR) spectra have been obtained for the prepared glass samples and it is found that some new peaks are formed with doping of CeO₂in prepared glasses.

Keywords

Phosphate Glass, Density, Band Gap Energy, FTIR

How to Cite this Article?

Kaur,M. (2018). Optical and Structural Properties of Cerium Doped Zinc Phosphate Glasses. i-manager’s Journal on Material Science, 5(4), 30-35. https://doi.org/10.26634/jms.5.4.13970

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