Alkaline, Co-Fe-O, Magnetic properties, Trigonal

• Ba-Co-Fe-O
• Ba-Co-Fe-O-Zn
• Ca-Co-Fe-O
• Co-Fe-O-Sr
• Co-Fe-La-O-Sr
• magnetization
• Moessbauer spectra
• magnetic hysteresis
• magnetic transitions
• coercive field
• transitional
• chalcogen
• alkaline
• oxide
• disordered