Chalcogen, Transitional, Monoclinic, Phase transitions

• O-V
• Fe-Te
• Na-O-V
• Bi-Mn-O
• Mg-Nb-O-Pb-Ti
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• decomposition
• transitional
• chalcogen
• non-disordered
• oxide