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

• Bi-Fe-La-O
• Bi-Fe-O-Sm
• Bi-Fe-O-Ti
• Bi-Fe-Mn-O
• magnetization
• values of magnetization
• Moessbauer spectra
• magnetic hysteresis
• magnetic transitions
• transitional
• pnictogen
• chalcogen
• disordered
• oxide
• trigonal
• orthorhombic
• cubic
• tetragonal
• monoclinic