Bi-Ca-Cu-O-Sr, Disordered, Transitional, Electrical resistivity

• Bi-Ca-Cu-O-Pb-Sr
• Bi-Ca-Cu-O-Sr-Y
• Bi-Ca-Cu-O-Pb-Sb-Sr
• Bi-Ca-Cu-O-Pr-Sr
• disordered
• chalcogen
• conductor
• alkaline
• high-tc superconductor
• orthorhombic
• tetragonal