Chalcogen, Disordered, Oxide, Quaternary, Kim, Moessbauer spectra

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