Abstract
Glasses of the composition xBaO-(30-x)TeO2-10TiO2-59.5B2O3-0.5Fe2O3 were synthesized using the melt-quenching process and investigated using differential scanning calorimeter (DSC), optical characterization techniques. The DSC spectra of the prepared glass samples attest to their glassy nature. Archimedes' principle was used to determine the density (ρ) of the glass samples. The progressive replacement of BaO with TeO2 leads to the structural compactness of the vitreous network and improves the glass stability. Optical absorption spectra have also been employed to examine the optical transitions and electronic band structure. From the edges of UV absorption, the Eopt and Urbach energies have been determined. All the glasses' physical properties have been examined in relation to BaO mol%.
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