Ba-x polyhedra, Superconductivity

• Ba-Cu-O-Y
• Ba-Ca-Cu-O-Tl
• As-Ba-Fe-K
• Ba-Ca-Cu-Hg-O
• Ba-Cu-Gd-O
• superconducting transition temperature
• values of superconducting transition temperature
• critical magnetic field
• critical current density
• values of critical current density
• alkaline
• disordered
• transitional
• chalcogen
• high-tc superconductor
• orthorhombic
• tetragonal
• cubic
• hexagonal
• monoclinic