B-x polyhedra, Co-Fe-O, Ferrimagnet

• Co-Fe-O-Zn
• Co-Fe-Mn-O
• Co-Cr-Fe-O
• Co-Fe-Ni-O
• magnetic properties
• structural properties
• magnetization
• electronic and electrical properties
• Moessbauer spectra
• ferrimagnet
• transitional
• chalcogen
• disordered
• ferromagnetic
• cubic
• orthorhombic
• trigonal