Abstract
A series of boro-tellurite glasses having chemical compositions: 50B2O3 - 35TeO2 - 10Bi2O3 - (4.5-x)Na2O - 0.4Nd2O3 - xYb2O3 where x = 0.1, 0.2, 0.3, 0.4, and 0.5 mol% were fabricated and characterized in order to study the effect of Nd/Yb substitution in boro-tellurite glass in absorption spectra. These glasses have been completely fabricated by applying the melt-quenching method. Fabrication was carried out by raising the furnace temperature from room temperature to 500°C for 10 minutes, then holding it for 10 minutes, and raising it again to 950°C for 35 minutes. Absorption spectra were measured at room temperature using a Hitachi VHS300 UV-Vis Spectrophotometer. From the experiment, it revealed that nine absorbance bands were found: i.e., 513, 526, 584, 627, 681, 746, 802, 874, and 976 nm.
Published Version
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