Ba-Cu-O-Y, Chalcogen, Non-disordered, Jcomah

• Ba-Cu-K-O-Y
• superconductivity
• superconducting transition temperature
• electronic and electrical properties
• values of superconducting transition temperature
• conductivity or resistivity
• non-disordered
• rare earth
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal
• cubic