Chalcogen, Disordered, Metal, Hall coefficient, Orthorhombic

• Ba-Cu-O-Y
• Bi-Cu-O-Sr
• Ba-Cu-O-Y-Zn
• Bi-Ca-Cu-O-Pb-Sr
• Bi-Ca-Cu-O-Sr
• disordered
• metal
• chalcogen
• transitional
• conductor