Alkaline, Lanthanoid, Ba-Cu-La-O, Electrical conductivity

• Ba-Cu-La-O-Ti
• Ba-Cu-Gd-La-O
• Ba-Co-Cu-La-O
• Ba-Cu-Fe-La-O
• rare earth
• alkaline
• chalcogen
• lanthanoid
• transitional
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic