Bi-Nb, Nonmetal, Temperature for structural transition

• Bi-Nb-O-Sr
• Bi-Mn-Na-Nb-O
• Bi-Mg-Nb-O-Pb
• Ag-Bi-Nb-O
• Ba-Bi-Nb-O-Sr
• transitional
• pnictogen
• nonmetal
• chalcogen
• alkaline
• orthorhombic
• tetragonal
• cubic
• trigonal
• triclinic