Chalcogen, Transitional, Kannan

• Co-Fe-O
• Co-Mg-O
• Co-Cu-Fe-O
• Cu-Fe-O
• Bi-Cr-O-Te
• structural properties
• magnetic properties
• magnetic hysteresis
• optical properties
• thermal and thermodynamic properties
• transitional
• chalcogen
• disordered
• quaternary
• ternary
• cubic
• tetragonal
• trigonal
• monoclinic
• orthorhombic