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

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