Khomenko

• Fe-O-Sr
• Ba-Fe-O-Sr
• Ba-Co-Fe-O-Sr-Ti
• Ba-Fe-O
• Ge-Se
• magnetic properties
• structural properties
• magnetic hysteresis
• magnetization
• coercive field
• chalcogen
• transitional
• disordered
• oxide
• alkaline
• hexagonal
• cubic
• orthorhombic
• tetragonal
• monoclinic