Chalcogen, Oxide, Co-Fe-O, Coercive field, Hexagonal

• Ba-Co-Fe-O
• Ba-Co-Fe-O-Ti
• Co-Fe-La-O-Sr
• Ca-Co-Fe-La-O-Sr
• Ba-Co-Fe-O-Sn
• transitional
• oxide
• chalcogen
• alkaline
• disordered