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    Effect of SiO2 Addition on Chromium Transitions in Borate Glasses

    Melt-quenching technique was used to prepare borosilicate glasses of composition xSiO2- (75-x) B2O3–24.7Li2O-0.3Cr2O3 (x = 0, 10, 20, 30, 40 and 50 mol%). With increasing the former content, both Cr6+ and Cr3+ op...

    M. Farouk, Dhia-Aldin Slibi, Z. M. Abd El-Fattah, M. Atallah, M. A. El-Sherbiny… in Silicon (2021)