Jatin Grover, Sandeep Kaur, O. Pandey
Jan 30, 2023
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Luminescence : the journal of biological and chemical luminescence
Abstract
A series of tellurite-based glasses are prepared by using a melt-quenching method. The effect of cerium on the physical, thermal, structural, optical, spectroscopic, and shielding properties of barium tellurite glass samples is studied. It has been observed that the thermal stability factor increases with increasing cerium ions (Ce3+ ) concentration. The density and other physical parameters viz., ion concentration, molar volume, etc. are calculated using the Archimedes principle. An increase in optical band gap and density suggests a decrement in non-bridging oxygens (NBOs). These results are in accordance with Raman results. The blue emission in prepared glasses is studied in terms of CIE chromaticity coordinates. Moreover, various shielding properties such as mass attenuation coefficient (MAC), linear attenuation coefficient (LAC), effective atomic number (Zeff ), half-value layer (HVL), and tenth-value layer (TVL) have also been determined to understand the photon shielding characteristics of as-prepared glass samples.