O-Y-Zr, Structural properties, Y-x polyhedra

• Ba-O-Y-Zr
• Ba-Ce-O-Y-Zr
• O-Ti-Y-Zr
• Ce-O-Y-Zr
• rare earth
• transitional
• chalcogen
• disordered
• cubic
• tetragonal
• trigonal
• orthorhombic
• triclinic