Abstract
This paper treaty with the preparation, characterization, and Optical and Dielectric studies of xCdI2–(100 − x)[0.444 Ag2SO4–0.555 (0.4TeO2–0.6B2O3) glass system, where x is the wt% of CdI2 varying from 0 to 25 with step 5. These systems were prepared by melt quenching method and characterized by Differential scanning calorimeter (DSC), X-ray diffraction (XRD), and Fourier transforms infrared (FTIR) spectra. Physical parameters such as the density of materials, molar volume, average molecular weight, refractive index, oxygen mole present, polarizability, field strength, and Cd and Ag ions concentration were calculated. Based on optical absorption results, direct band gap Eg was premeditated by comparing Tauc’s plots and the ASF method. From these optical absorption results, Urbach energy (Eu) also calculated. Second-order deformation potential and free energy of the system have been resoluted by expending relation between Eu and Eg. Variation of these factors by changing the CdI2 composition is deliberated in detail. Refractive index, dielectric constant at optical and electrical frequencies have been discussed in detail.
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