Synthesis, Characterization and Optical Properties of Niobium Doped Silver-Lead-Borate Glasses
نویسندگان
چکیده
Niobium doped silver lead borate glasses with the chemical composition (29-x) PbO-yAg2O70B2O3-xNb2O5 (where x= 0.1 to 0.5mol%, y= 1 to 5 mol %) have prepared by conventional melt quenching method.SEM/XRD technique confines glassy nature of the prepared samples. IR and UV optical absorption technique have been used to obtain the information concerning network structure. From the absorption edge studies, the values of optical band gap energies have been evaluated. The density, molar volume, polarizability and glass transition temperature are found to be compositional dependent. The nonlinear variations of the above optical parameters are discussed with respect to Nb2O5 concentration.
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