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Spectroscopic methods investigate properties of CaO-Na2B4O7-PbF2-CuO glasses, indicating structural features and optical changes.
The present work deals with the preparation of CaO-Na2B4O7-PbF2-CuO glasses and investigating the prepared samples with various spectroscopic methods. Melt quenching method is used for the preparation of the glass samples with the composition (89-x)Na2B4O7-xCaO-10PbF2-1CuO where x = 0, 5, 10. 15 & 20 mol%. Amorphous nature of the samples was confirmed with the absence of sharp peaks in the XRD spectra. Density measurements were done and are observed to be increasing with CaO in the glass composition. Various optical parameters were evaluated from absorption spectra and characteristic absorption is noticed in it as the glass samples contain Cu2+ ions. Band gap values were found to decrease while the refractive index values increased. FTIR spectra was also recorded and analyzed for each sample as it is more important in exploring the structural features of borate glasses. The spectra revealed the existence of the metal ions and various borate groups in the glass structure.
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Dode et al. (2026) studied this question.
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