Chalcogen, Spinel, Co-Fe-O, Cubic, Moessbauer spectra

• Co-Fe-O-Zn
• Co-Fe-Mn-O
• Co-Fe-Mg-O
• Co-Fe-Ni-O
• isomer shift
• hyperfine magnetic field
• values of Moessbauer spectra
• quadrupole splitting
• transitional
• oxide
• spinel
• chalcogen
• disordered