Chalcogen, Cuprate, Oxide, Debye or einstein temperature

• Ba-Cu-O-Tl
• Cu-La-O-Pb-Sr
• Bi-Ca-Cu-O-Sr
• Ba-Ca-Cu-O-Tl
• Ba-Cu-La-O
• cuprate
• high-tc superconductor
• chalcogen
• oxide
• tetragonal
• orthorhombic
• monoclinic
• triclinic