Na0.1Fe7[PO4]6 aP38 2

• Cu-Fe-Na-O-P
• Fe-Na-O-P
• magnetic properties
• Moessbauer spectra
• structural properties
• magnetic susceptibility
• values of Moessbauer spectra
• pnictogen
• chalcogen
• intermediate valence
• alkali
• transitional
• triclinic