Chalcogen, Disordered, Oxide, Fusion, Tetragonal

• Ba-Ca-Cu-O-Tl
• Ba-C-Ca-Cu-O
• La-Mn-O-Sr
• Ba-Cu-La-O
• Ba-Cu-O-Tl
• temperature for congruent melting
• disordered
• chalcogen
• oxide
• transitional