Alkaline, Chalcogen, Conductor, Ba-Fe-O, Moessbauer spectra

• Ba-Cu-Fe-O-Y
• Ba-Co-Fe-O
• Ba-Fe-La-O
• Ba-Fe-O-Y
• values of Moessbauer spectra
• isomer shift
• quadrupole splitting
• hyperfine magnetic field
• conductor
• oxide
• alkaline
• chalcogen
• transitional
• tetragonal
• hexagonal
• orthorhombic
• cubic
• trigonal