B-x polyhedra, Ferrimagnet, Moessbauer spectra

• Fe-O
• Co-Fe-O
• Fe-O-Zn
• Co-Fe-O-Zn
• Fe-Ni-O
• values of Moessbauer spectra
• isomer shift
• hyperfine magnetic field
• quadrupole splitting
• transitional
• ferrimagnet
• disordered
• chalcogen
• ferromagnetic
• cubic
• tetragonal
• orthorhombic
• hexagonal
• monoclinic