Structural investigation of fluorophosphate glasses by 19F, 31P MAS-​NMR and IR spectroscopy

Torkia Djouama (1) , Marcel Poulain (2) , Bruno Bureau (2) , Ronan Lebullenger (2)

1 LAB ELECT QUANT ALGERIE
2 ISCR - Institut des Sciences Chimiques de Rennes

A series of glass samples of compn. [(x)​MnF2-​(x-​80)​NaPO3-​(20)​ZnF2] where x = 0, 10, 20, 30 and 40, has been prepd. IR and NMR spectroscopy have been performed, esp. 19F MAS and 31P MAS NMR. On the basis of these measurements, glass structure may be described as a hybrid network of ZnF6 and MnF6 octahedra sharing corners and edges and also connected to tetrahedral fluorophosphate groups (PX)​4 where X = O-​ or F-​. Sodium cations fill vacancies of this network.

Mots clés: Fluorophosphate; Glass; Vibrational spectroscopy; NMR

Domaines: Matériaux

Torkia Djouama, Marcel Poulain, Bruno Bureau, Ronan Lebullenger. Structural investigation of fluorophosphate glasses by 19F, 31P MAS-​NMR and IR spectroscopy. Journal of Non-Crystalline Solids, 2015, 414, pp.16-20. ⟨10.1016/j.jnoncrysol.2015.01.017⟩. ⟨hal-01112043⟩