Ferromagnetic, Oxide, Transitional, Hexagonal, Magnetic properties

• Ba-Fe-O
• Fe-O-Sr
• Co-O-Zn
• Co-Na-O
• Ba-Co-Fe-O
• magnetization
• magnetic hysteresis
• magnetic susceptibility
• coercive field
• Moessbauer spectra
• transitional
• chalcogen
• ferromagnetic
• oxide
• disordered