Bi-Fe-O, Chalcogen, Coplanar triangle 3-vertex, Magnetic properties

• Bi-Fe-O-Ti
• Ba-Bi-Fe-O-Pb-Ti
• Bi-F-Fe-O
• Bi-Ca-Fe-O-Sr
• magnetization
• values of magnetization
• Moessbauer spectra
• magnetic transitions
• pnictogen
• oxide
• disordered
• chalcogen
• transitional
• trigonal
• orthorhombic
• tetragonal