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Abstract
Strontium doped calcium phosphate sodium oxide glasses are prepared by a conventional melt quenching technique with different concentrations. XRD Spectra reveals that these glasses are amorphous in nature. The absorption spectrum of these glass samples exhibited broad band at about ∼230nm. Optical band gap were determined by drawing Tauc plot. On the basis of the measured values of density, molar volume, optical band gaps and refractive index, properties like Ca2+ ion concentration, electronic polarizabilities, oxide ion polarizabilities, inter ionic distance, polaron radius, molar refraction and optical basicity of glass systems were estimated. All the variation can be attributed to the formation of Non bridging oxygens (NBO) with the increase of CaO composition in the glass network.
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Details
1 School of Sciences-II, JAIN (Deemed to be University), Bengaluru, 560002, India; Dept. of PG Studies and Research in Physics, The National College, Bengaluru, 560070, India
2 School of Sciences-II, JAIN (Deemed to be University), Bengaluru, 560002, India
3 Dept. of PG Studies and Research in Physics, The National College, Bengaluru, 560070, India