Ba-Cu-Hg-O, Chalcogen, Transitional, Hg-x polyhedra

• Ba-Ca-Cu-Hg-O
• Ba-Ca-Cu-Hg-O-Tl
• Ba-Ca-Cu-Hg-O-Pb
• Ba-Ca-Cu-Hg-O-Re
• structural properties
• thermal and thermodynamic properties
• superconductivity
• electronic and electrical properties
• superconducting transition temperature
• cuprate
• high-tc superconductor
• alkaline
• chalcogen
• oxide
• tetragonal