Alkali, Chalcogen, Disordered, Phase transitions

• K-Na-Nb-O
• Bi-Na-O-Ti
• H-K-O-P
• H-Li-N-O-S
• K-Li-O-S
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• decomposition
• alkali
• chalcogen
• disordered
• transitional
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal