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ISSN 2063-5346
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Structural studies of PbF2-CdO-Bi2O3-B2O3 glasses

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G. Nagaraju, D. Karuna Sagar
» doi: 10.48047/ecb/2023.12.7.122

Abstract

The primary objective of the current publication is on the procedure of manufacturing lead fluoro cadmium bismuth borate glasses, as well as an investigation into the structural feature of the samples of glass that were made utilising FTIR and Raman spectra. The amorphous nature of the samples which were synthesised was revealed by the XRD spectra by its absence of strong peaks in the spectrum. Raman and infrared spectroscopy are both excellent tools for examining the local structure of prepared glasses. A deconvolution approach was applied to the Raman spectra in order to establish the precise locations of the bands in the spectra. In order to further enhance the reliability of the deconvolution of the Raman spectra, a residue plot was utilised. The Raman bands which were acquired from the spectra were allocated to the different vibrations of borate and bismuthate, in addition to the vibrations of the metal cations. There was a correlation between the amount of PbF2 found within these glasses and the shifting positions of the bands, which can be ascribed to the associated vibrations. Additionally, the samples have been examined using FTIR at frequencies ranging from 200 to 1600 cm-1. The FTIR analysis demonstrated the presence of the distinctive structural units of borate and bismuthate units. These units were found to be present. The distinctive connections that can be seen in the FTIR spectra point to the fact that bismuth oxide is functioning as a glass modifier. BO3 units are transformed to BO4 units when PbF2 is introduced to borate glasses, which are made of borate.

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