Alkali, Chalcogen, Oxide, Temperature for structural transition

• K-Na-Nb-O
• Na-Nb-O
• Bi-Na-O-Ti
• Na-O-V
• K-Li-Na-Nb-O-Sb
• chalcogen
• alkali
• oxide
• transitional
• nonmetal
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic