Ba-Cu-O-Y, High-tc superconductor, Orthorhombic, Seebeck coefficient

• Ba-Ca-Cu-O-Y
• Ba-Cu-O-Y-Zn
• Ba-Cu-O-Pr-Y
• Ba-Co-Cu-O-Y
• rare earth
• alkaline
• chalcogen
• high-tc superconductor
• transitional