BaFe12O19 hP66 194, Moessbauer spectra

• Fe-O-Sr
• Ba-Fe-O
• Fe-Ga-O-Sr
• Fe-In-O-Sr
• Co-Fe-La-O-Sr
• values of Moessbauer spectra
• hyperfine magnetic field
• quadrupole splitting
• isomer shift
• chalcogen
• transitional
• alkaline
• magnetoplumbite
• ferromagnetic
• hexagonal