Ba-Ca-Cu-Hg-O-Tl, Chalcogen, Multinary

• Ba-Ca-Cu-Hg-O-Sr-Tl
• Ba-Ca-Cu-Hg-O-Tl-Y
• Ba-Ca-Cu-Hg-O-Sm-Tl
• Ba-Ca-Cu-Hg-O-Tl-Yb
• structural properties
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• thermal and thermodynamic properties
• transitional
• multinary
• chalcogen
• alkaline
• high-tc superconductor
• tetragonal