Correlation among the oxide ion polarizability, optical basicity and interaction parameter in Gd3+ ions doped oxyhalide borate glasses

Abstract

A borate glasses doped with rare earth Gd3+ ion in the system [60B2O3 + 30 Li2O + x Gd2O3 + (10-x) BiCl3] is prepared by the conventional melt quenching method and their optical properties have been studied. The oxide ion polarizability parameter is calculating by using refractive index of glass materials, which is obtained from UV-Vis spectra. The borate glasses are known to possess high oxide ion polarizability, high refractive index, high basicity and low interaction parameter values. In this present study, theoretical calculation of basicity and interaction parameter, using oxide ion polarization, of the glass network has been addressed. A good linear correlation between the interaction parameter and basicity is observed.