Alkaline, Chalcogen, Transitional, Karppinen

• Ba-Fe-Gd-O
• Ba-Fe-O-Sb-Sr
• Cu-O-Sr-W
• Ce-Co-Cu-O-Sr-Y
• Co-La-Mg-O-Ti
• magnetic properties
• structural properties
• electronic and electrical properties
• magnetic susceptibility
• Moessbauer spectra
• transitional
• alkaline
• chalcogen
• oxide
• disordered
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic