Antiferroelectric, Transitional, Co-Fe-O, Moessbauer spectra

• Co-Fe-O-Sm
• Ba-Co-Cu-Fe-O-Y
• hyperfine magnetic field
• values of Moessbauer spectra
• isomer shift
• quadrupole splitting
• conductor
• antiferromagnetic
• chalcogen
• antiferroelectric
• disordered
• cubic
• orthorhombic