Ba-Cu-Hg-O, Hg-x polyhedra, Isothermal bulk modulus

• Ba-Ca-Cu-Hg-O
• Ba-Ca-Cu-Hg-O-Re
• Ba-Ca-Cu-Hg-O-Pb
• Ba-Cu-Hg-O-Tl
• high-tc superconductor
• cuprate
• alkaline
• chalcogen
• oxide
• tetragonal