Cu-Tl, Electrical resistivity

• Ba-Ca-Cu-O-Tl
• Ba-Cu-O-Tl
• Cu-S-Tl
• Ca-Cu-O-Sr-Tl
• Ba-Ca-Cu-Hg-O-Tl
• chalcogen
• transitional
• conductor
• alkaline
• high-tc superconductor
• tetragonal
• orthorhombic
• monoclinic