Bi-Fe-O, Magnetic properties, O-x polyhedra, Trigonal

• Bi-Fe-La-O
• Bi-Fe-O-Sm
• Bi-Fe-Mn-O
• Bi-Ca-Fe-O
• magnetization
• values of magnetization
• magnetic hysteresis
• magnetic transitions
• transitional
• pnictogen
• chalcogen
• disordered
• oxide