Abstract
The glass system under study was prepared and examined using the melt quenching procedures and XRD to emphasize the amorphous nature, respectively. Transmittance of the prepared solid glass system was performed by a spectrophotometer in wavelengths from 190 to 1099 nm. Using traditional techniques and standard formulas, the density, molar volume, refractive index, optical band gap and the optical filter characteristics were determined, then the influence of samarium oxide on some properties like the structure and optical, also the electrical properties were dissected. A novel formula was proposed to estimate the refractive index from the optical energy gap. The obtained samples are good optical filters especially the sample that contains 0.8 mol% of Sm2O3. Also this sample has the utmost density, the least molar volume, the maximum transmittance, least refractive index, the highest optical band gap and the least dc conductivity.
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