Alkali, Orthorhombic, Phase transitions

• Na-Nb-O
• H-Li-N-O-S
• As-Ba-Fe-K
• Cl-Rb-Zn
• Na-O-V
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• decomposition
• alkali
• chalcogen
• non-disordered
• transitional