Bi-Fe-O, Bi-x polyhedra, Moessbauer spectra

• Bi-Fe-O-Ti
• Bi-Fe-O-Sr
• Bi-Fe-La-O
• Bi-Ca-Fe-O
• isomer shift
• quadrupole splitting
• values of Moessbauer spectra
• hyperfine magnetic field
• transitional
• pnictogen
• chalcogen
• disordered
• oxide
• trigonal
• orthorhombic
• cubic
• tetragonal
• monoclinic