Cubic, Fe-O, Ferrimagnet, Spectra

• Co-Fe-O
• Fe-O-Zn
• Fe-Ni-O
• Co-Fe-O-Zn
• magnetic properties
• Moessbauer spectra
• values of Moessbauer spectra
• optical properties
• isomer shift
• ferrimagnet
• chalcogen
• transitional
• disordered
• oxide