Citation: Hidouri, M.; Lajmi, B.; Wattiaux, A.; Fournes, L.; Darriet, B.; Amara, M.B. (2006). Crystal structure, magnetic susceptibility and Moessbauer spectroscopy of the mixed-valence iron phosphate Na1/2 Cu4/3 Fe2 (P O4)3. Journal of Solid State Chemistry, 179, pp. 1808-1813.