Alkali, Non-disordered, Phase transitions

• Na-Nb-O
• H-K-O-P
• Na-O-V
• K-Nb-O
• K-Li-O-S
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• non-disordered
• alkali
• chalcogen
• transitional
• monoclinic
• orthorhombic
• cubic
• trigonal
• tetragonal