Abstract

In this work, effects of CoO on silicoborate glasses have been investigated. Glasses were prepared in formula (53-x)B2O3:11SiO2:32SrO:1Bi2O3:1TiO2: xCoO (where x is 0.00, 0.01, 0.02, 0.03, 0.04 and 0.05 mol%). The results show that, the density and refractive index were increased with increasing of CoO concentration. The optical absorption spectra were measured by UV-Visible Spectrophotometer and show peaks correspond with Co2+ in glass matrices at a wavelength of around 511 584 and 649 nm for all glass samples.

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