Mg-Nb-O-Pb-Ti, Nb-x polyhedra, Temperature for structural transition

• Mg-Nb-O-Pb-Ti-Zn-Zr
• In-Mg-Nb-O-Pb-Ti
• Bi-Mg-Nb-O-Pb-Ti
• Mg-Nb-O-Pb-Ti-W
• alkaline
• disordered
• chalcogen
• nonmetal
• transitional
• tetragonal
• cubic
• monoclinic
• orthorhombic
• trigonal