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Glasses of the 33.5Li2O-66.5P2O5-xV2O5 (mol. %) system with (0 ≤ x ≤ 5) were prepared by the normal melting and annealing technique. Their physical and spectroscopic properties such as X-ray powder diffraction (XRD), density, infrared spectroscopy and electrical conductivity were investigated. The composition dependent density shows an initial decrease at 0.1 mol.% of V2O5 followed by an increase...
The effect of increasing SiO 2 at the expense of B 2O3 on the internal structure of xSiO 2-(40-x) B 2O3-60Bi 2O3 glass matrix (where x=0, 10, 20, 30 and 40 mole %) was investigated. The glass structure was indicated that Bi 3+ cations are incorporated in the glass structure as pyramidal [BiO 3] and [BiO 6] octahedral units and boron ions are incorporated in BO 3 and BO 4 units. The presence...
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