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X-ray di raction, infrared (IR), Raman spectroscopy and scanning electron microscope techniques have been used to investigate the microstructural properties of the glass materials. In this work, a new type of tellurite based optical glasses with TeO2/Nb2O5/TiO2 for di erent xNb2O5 (x = 5, 10, 15, and 20 mol.%) glass compositions at constant 5 mol.% TiO2 ratio were prepared. The e ect of Nb2O5 contents on the structural unit of (95− x)TeO2 (x)Nb2O5 5TiO2 glass network, and the intensity ratios of the Raman peaks were investigated. The results indicate that for di erent Nb2O5 content 5 to 20 mol.% in the glass system, three vibrational peaks around 650, 800, and 920 cm−1 which correspond to the structural bonding of the glass were observed in the range of 50

Investigation of Infrared and Raman Spectra of TeO2-Nb2O5-TiO2Glasses

Investigation of Infrared and Raman Spectra of TeO₂-Nb₂O₅-TiO₂Glasses