Ba-Fe-O, Chalcogen, Values of moessbauer spectra

• Ba-Cu-Fe-O-Y
• Ba-Eu-Fe-O
• Ba-Fe-La-O
• Ba-Fe-O-Y
• chalcogen
• transitional
• alkaline
• oxide
• disordered
• hexagonal
• tetragonal
• orthorhombic
• trigonal
• cubic