Structural effect of Ag2WO4 on AgI-AgPO3 ionic glass system analyzed by solid state NMR and Raman spectroscopies - Santagneli, S.; Blais-Robergec, M.; Messaddeq, S. H.; Rioux, R.; Ledemi, Y.; Messaddeq, Y.; Eckert, Hellmut (Brazilian Symposium on Glass and Related Materials - BRAZGLASS, 2017)