Antiferroelectric, Chalcogen, Oxide, Moessbauer spectra

• Co-Fe-O
• Bi-Fe-O
• Ba-Cu-Fe-O-Y
• Fe-La-O-Sr
• Ba-Fe-O-Sb
• values of Moessbauer spectra
• isomer shift
• hyperfine magnetic field
• quadrupole splitting
• disordered
• oxide
• chalcogen
• antiferroelectric
• transitional
• cubic
• orthorhombic
• trigonal
• hexagonal
• tetragonal