BiF3 incorporation in Na/Ba Mixed network modifier fluoride-phosphate glasses: structural studies by solid-state NMR and raman spectroscopies - Galleani, Gustavo; Bradtmüller, Henrik; Fares, Hssen; Santagneli, Silvia Helena; Nalin, Marcelo; Eckert, Hellmut (Journal of Physical Chemistry C, 2020)