Alkaline, Transitional, Cubic, Fe-Mg-O, Moessbauer spectra

• Cu-Fe-Mg-O
• Fe-Mg-Mn-O
• Al-Fe-Mg-Mn-Ni-O
• Fe-Mg-O-Zn
• isomer shift
• hyperfine magnetic field
• values of Moessbauer spectra
• quadrupole splitting
• transitional
• chalcogen
• alkaline
• disordered
• ferrimagnet