Ba-Nb, Ferroelectric, Temperature for structural transition

• Ba-Nb-O-Sr
• Ba-Na-Nb-O
• Ba-Nb-O-Ti
• Ba-Nb-O-Pb
• Ba-K-Na-Nb-O-Ti
• transitional
• ferroelectric
• alkaline
• chalcogen
• nonmetal
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic