Alkaline, Chalcogen, Disordered, Oxide, Fusion, Orthorhombic

• Ba-Cu-O-Y
• La-Mn-O-Sr
• Ca-Fe-Mn-O
• Bi-Ca-Cu-O-Sr
• Ca-La-O-Ti
• temperature for congruent melting
• disordered
• oxide
• alkaline
• chalcogen