Ba-Cu-O-Y, Chalcogen, Rare earth, Electrical conductivity

• Ba-Cu-La-O-Y
• Ba-Cu-Nd-O-Y
• Al-Ba-Cu-O-Y
• Ba-Cu-Fe-O-Y
• transitional
• alkaline
• rare earth
• chalcogen
• oxide
• orthorhombic
• tetragonal
• cubic
• trigonal
• monoclinic