Transition from a phosphate to niobate network structure in vitreous Nb2O5-NaPO3 - Salmon, Philip Stephen; Lange, Esther Girón; Zeidler, Anita; Bradtmüller, Henrik; Ensuncho Hernandez, Laureano Javier; Cuello, Gabriel Julio; Eckert, Hellmut (Journal of Chemical Physics, 2025)