Ba-Cu-Gd-O, Chalcogen, Square pyramid 5-vertex, Superconductivity

• Ba-Cu-Gd-O-Pr
• Ba-Cu-Gd-O-Y
• Ba-Ca-Cu-Gd-O
• Ba-Cu-Gd-O-Sr
• superconducting transition temperature
• values of superconducting transition temperature
• critical magnetic field
• critical current density
• disordered
• chalcogen
• alkaline
• cuprate
• high-tc superconductor
• orthorhombic
• tetragonal