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The influence of increasing ZrO2 content on the structural features of a rare earths (RE = Nd, La) bearing soda-lime aluminoborosilicate glass was investigated through a multi-spectroscopic approach (Raman, Zr-EXAFS, 29Si, 11B, 27Al and 23Na MAS NMR). Particular attention was paid to the modifications occurring in the glassy network and on the distribution of Na+ and Ca2+ ions. Zr4+ ions were shown...
Using Raman and 31P magic-angle spinning nuclear magnetic resonance (MAS-NMR) spectroscopies, we studied the structural changes in 35NaO1/2-1WO3-8NbO5/2-5LaO3/2-51PO5/2 glass upon introducing Al2O3 and/or Y2O3 in order to understand the reduced mobility of proton carriers in glasses with Al2O3 and/or Y2O3 in which proton carriers were injected by alkali-proton substitution (APS). The Raman and 31P...
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