Ba-Cu-O-Y, Chalcogen, Disordered, Metal, Magnetization

• Ba-Cu-Fe-O-Y
• Ba-Cu-O-Y-Zn
• Ba-Cu-Fe-O-Sr-Y
• Ba-Cu-O-Pr-Y
• values of magnetization
• disordered
• conductor
• alkaline
• chalcogen
• high-tc superconductor
• orthorhombic
• tetragonal