Citation: El Arni, Sirine; Hadouchi, Mohammed; Assani, Abderrazzak; Saadi, Mohamed; El Marssi, Mimoun; Lahmar, Abdelilah; El Ammari, Lahcen (2023). Structural and Magnetic Investigations of the Novel Pyrophosphate Na7Ni3Fe(P2O7)4. Magnetochemistry, 9, pp. 162-.