Ba-Ca-Cu-O-Tl, Chalcogen, Electronic and electrical properties

• Ba-Ca-Cu-Hg-O-Tl
• Ba-Ca-Cu-O-Tl-Y
• Ba-Ca-Cu-Hg-O-Sm-Tl
• Ba-Ca-Cu-Hg-O-Tl-Yb
• conductivity or resistivity
• electrical resistivity
• electrical conductivity
• transitional
• high-tc superconductor
• alkaline
• chalcogen
• conductor
• tetragonal
• orthorhombic