The preparation and spectroscopic studies of Cu2+ in xPbO-(100−x) B2O3 non-linear optical glassy system have been studied. From IR studies, it is observed at low concentration of PbO (less than 40 mole%), it acts as a glass modifier. At higher concentration, it takes part in the network. The hyperfine splitting in the parallel features of ESR spectra of Cu2+ are recorded for all concentration of PbO. There are considerable changes in g∥ and A∥ values with the increasing concentration of PbO, where as no perceptible changes is observed in g⊥ & A⊥ values. These changes clearly indicate a structural change in the glass system. The observed absorption peak of Cu2+ found to go through a maximum at 40-mole% of PbO. The bonding parameters calculated from both optical and ESR data are found to change with PbO concentration.
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Suresh et al. (2005) studied this question.
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