Alkali, Chalcogen, Disordered, Transitional, Phase transitions

• K-Na-Nb-O
• Bi-Na-O-Ti
• Co-Na-O
• Na-O-V
• Ba-Bi-Na-O-Ti
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• decomposition
• disordered
• transitional
• chalcogen
• alkali
• orthorhombic
• cubic
• monoclinic
• tetragonal
• trigonal