Ba2Cu3YO7 oP13 47, Chalcogen, Electrical resistivity

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