Alkaline, Chalcogen, Ferromagnetic, Hexagonal, Magnetic hysteresis

• Ba-Fe-O
• Fe-O-Sr
• Ba-Co-Fe-O
• Ba-Co-Fe-O-Ti
• Co-Fe-La-O-Sr
• coercive field
• remanent magnetization
• energy product
• remanent magnetic field
• transitional
• ferromagnetic
• alkaline
• chalcogen
• oxide