Abstract
An investigation of low-frequency inelastic scattering (LOFIS) and pre-resonant Raman spectroscopy has revealed the role of the modifying cations, Ba2+, Zn2+ and Pb2+ on the bonding properties of the Eu-O bond in Ba(PO3)2, Zn(PO3)2, and Pb(PO3)2 glasses. Analysis of the results has shown that the electronegative character of the Pb2+ ions and the ionic radii of the Ba2+ and Zn2+ ions play a major role in the short-range order of the metaphosphate glasses. Furthermore, it was shown, using LOFIS, the influence of the modifying cations on the size distribution of the structural units found in the metaphosphate glasses.
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