Antiferroelectric, Transitional, Cubic, Moessbauer spectra

• Co-Fe-O
• Fe-O-Pb-W
• Co-Fe-O-Sm
• Fe-O-Pb-Te
• values of Moessbauer spectra
• hyperfine magnetic field
• isomer shift
• quadrupole splitting
• ferroelectric
• multiferroic
• antiferroelectric
• chalcogen
• transitional