Conductivity or resistivity, Cu-Hg, High-tc superconductor

• Ba-Ca-Cu-Hg-O
• Ba-Ca-Cu-Hg-O-Tl
• Ba-Cu-Hg-O
• Ce-Cu-Gd-Hg-O-Sr-W
• Ba-Ca-Cu-Hg-O-Sm-Tl
• electrical resistivity
• high-tc superconductor
• transitional
• chalcogen
• alkaline
• conductor
• tetragonal