Ba-Cu-O-Y, Conductor, Isothermal bulk modulus

• Ba-Cu-Ni-O-Y
• Ba-Ca-Cu-O-Y
• Ba-Cu-Fe-O-Y
• Ba-Ca-Cu-O-Tl-Y
• rare earth
• alkaline
• conductor
• chalcogen
• transitional
• orthorhombic
• tetragonal
• cubic
• trigonal