Alkaline, Transitional, Ba-Dy, Structural properties

• Ba-Cu-Dy-O
• Ba-Cu-Eu-O
• Ba-Ce-Cu-O
• Ba-Cu-Er-O
• Ba-Cu-Gd-O
• rare earth
• alkaline
• transitional
• chalcogen
• lanthanoid
• orthorhombic
• cubic
• tetragonal
• hexagonal
• trigonal