Chalcogen, Oxide, Quaternary, Transitional, Kim, Moessbauer spectra

• Ba-Co-Fe-O
• Cr-Cu-Fe-O
• Co-Fe-Mn-O
• Al-Ca-Fe-O
• Co-Fe-Gd-O
• values of Moessbauer spectra
• isomer shift
• hyperfine magnetic field
• quadrupole splitting
• transitional
• chalcogen
• quaternary
• oxide
• disordered
• cubic
• orthorhombic
• trigonal
• monoclinic
• tetragonal