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

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