1990, Ba-Cu-O-Y, High-tc superconductor, Transitional

• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-O-Y-Zn
• Ba-Cu-O-Pr-Y
• superconductivity
• electronic and electrical properties
• superconducting transition temperature
• conductivity or resistivity
• values of superconducting transition temperature
• rare earth
• high-tc superconductor
• alkaline
• chalcogen
• transitional
• orthorhombic
• tetragonal