Alkaline, Chalcogen, Oxide, Khan

• Ba-Ca-Cu-O-Tl
• La-Mn-O-Sr-Zn
• Co-Fe-O-Sr
• Ba-Ca-Cu-O-Tl-Zn
• Fe-Mg-O
• magnetic properties
• electronic and electrical properties
• superconductivity
• optical properties
• structural properties
• oxide
• chalcogen
• alkaline
• transitional
• disordered
• orthorhombic
• tetragonal
• hexagonal
• cubic
• trigonal