Disordered, Lanthanoid, Karpinsky

• Bi-Fe-O-Sm
• Co-Fe-La-O
• Ba-Co-Fe-O-Tb
• Bi-Fe-La-O
• Ba-Co-La-O
• magnetic properties
• structural properties
• magnetization
• values of magnetization
• magnetic hysteresis
• transitional
• rare earth
• lanthanoid
• chalcogen
• disordered
• orthorhombic
• trigonal
• monoclinic
• tetragonal
• cubic