Cuprate, High-tc superconductor, Oxide, Fusion, Tetragonal

• Ba-Ca-Cu-O-Tl
• Cu-La-O-Pb-Sr
• Ba-C-Ca-Cu-O
• Ba-Ca-Cu-Hg-O-Re
• Ba-Cu-O-Tl
• temperature for congruent melting
• cuprate
• high-tc superconductor
• chalcogen
• oxide