Chalcogen, Disordered, Kemmler sack, Structural properties

• Ba-Gd-O-U
• Ba-Co-Cu-O-Y
• Co-Cu-La-O-Sr
• Ba-O-U-Y
• Bi-Fe-O-Pb-Sr
• chalcogen
• disordered
• oxide
• alkaline
• cubic
• trigonal
• tetragonal
• orthorhombic
• hexagonal