Fe-O, Saturation magnetization, Tetrahedron 4-vertex

• Co-Fe-O
• Ba-Fe-O
• Fe-Ni-O
• Fe-Ni-O-Zn
• transitional
• chalcogen
• disordered
• ferromagnetic
• ferrimagnet
• cubic
• hexagonal
• trigonal
• orthorhombic
• tetragonal