WebMar 5, 2024 · Samples of bismuth borate glasses were prepared by the melt-quenching method, following the molar ratio formula [(58.4–2x) mol% B 2 O 3 + (18.8 + x) mol% ZnO + (18.8 + x) mol% CaO + 4 mol% Bi 2 O 3)], where x = 0, 2, 4, 6, and 8 and equal concentrations of zinc oxide and calcium oxide were incorporated into the glass matrix. … WebAug 15, 2008 · - Abstract: We prepared a series of lead and bismuth borate glasses by varying PbO/Bi{sub 2}O{sub 3} content and studied refractive index and optical band gap as a function of glass composition. Refractive indices were measured very accurately using a Brewster’s angle set up while the optical band gaps were determined by analyzing the …
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WebAug 1, 2004 · Optical absorption of bismuth borate glasses with Bi 2 O 3 contents of 0.25, 0.35, 0.55, and 0.65 (left to right). The inset shows the position of the short wavelength absorption edge ( α =10) as a function of the Bi 2 O 3 content (dots and full line). The dashed line shows the wavelength position of the ultraviolet oscillator as defined by ... WebThis paper reports on different physical and optical properties of Nd 3+ -doped bismuth borate glasses. The glasses containing Nd 3+ in (25 − x)Bi 2 O 3 :20Li 2 O:20ZnO:35B 2 O 3 :xNd 2 O 3 (where x = 1, 1.5, 2 mol%) have been prepared by melt-quenching method. The amorphous nature of the glasses was confirmed by X-ray diffraction studies. bjs wholesale nj
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WebJan 10, 2024 · Hence the authors studied the FTIR and Raman spectral features of PbBr 2 -CdO-Bi 2 O 3 -B 2 O 3 glasses to investigate the structural changes in the glasses. 2. Experimental analysis. For lead bromo cadmium bismuth borate (PBCBB) glasses, the detailed glass composition is xPbBr 2 -10CdO-20Bi 2 O 3 - (70-x)B 2 O 3, in which x can … WebNov 20, 2024 · Bismuth borate glasses with chemical formula (75−x)B 2 O 3 –xBi 2 O 3 –10CaO–10Na 2 O–5Al 2 O 3, (x = 0.0–25.0 mol%) were synthesized using reagent grades of H 3 BO 3, Na 2 CO 3, CaCO 3, Al 2 … WebBesides α-BiB3O6,6the bismuth borates known so far include Bi4B2O9,7Bi6B10O24,8Bi2B8O15,9,10and Bi24.5BO38.2511and all of them were … bjs wholesale tires install