Antiferroelectric, Chalcogen, Ferromagnetic, Co-Fe-O, Cubic

• Co-Fe-O-Sm
• Co-Er-Fe-O-Sm
• Co-Fe-O-Yb
• magnetic properties
• structural properties
• magnetization
• magnetic hysteresis
• Moessbauer spectra
• colossal magnetoresistance
• antiferromagnetic
• antiferroelectric
• chalcogen
• conductor