Fe-O, Moessbauer spectra, Tetragonal

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