Ba-Ca-Cu-O-Tl, Chalcogen, Resistivity, Tetragonal

• Ba-Ca-Cu-Hg-O-Tl
• Ba-Ca-Cu-O-Tl-Zn
• Ba-Ca-Cu-O-Tl-Y
• Ba-Ca-Cu-Hg-O-Sm-Tl
• electronic and electrical properties
• conductivity or resistivity
• electrical resistivity
• alkaline
• high-tc superconductor
• chalcogen
• conductor
• transitional