Ba-Cu-O-Y, Electrical resistivity, Tetrahedron 4-vertex

• Ba-Cu-O-Y-Zn
• Ba-Ca-Cu-O-Y
• Ba-Cu-Ni-O-Y
• Ba-Cu-La-O-Y
• transitional
• rare earth
• chalcogen
• alkaline
• disordered
• orthorhombic
• tetragonal