Ba-Cu-O-Y, Chalcogen, Disordered, Orthorhombic, Values of thermal conductivity

• Ba-Cu-O-Pr-Y
• Ba-Ca-Cu-O-Y
• Ba-Cu-Nd-O-Y
• Ba-Cu-Ni-O-Y
• rare earth
• alkaline
• disordered
• chalcogen
• transitional