Disordered, Fe-O, Moessbauer spectra, Tetragonal

• Fe-O-Sr
• Ba-Cu-Fe-O-Y
• Fe-Mo-O-Sr
• Fe-La-O-Sr
• Cu-Fe-O
• values of Moessbauer spectra
• isomer shift
• quadrupole splitting
• hyperfine magnetic field
• disordered
• transitional
• chalcogen
• oxide
• alkaline