Chalcogen, Non-disordered, Oxide, Transitional, Phase transitions

• Ba-O-Ti
• O-V
• Fe-O
• Na-Nb-O
• O-Sr-Ti
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• transitional
• oxide
• chalcogen
• non-disordered
• orthorhombic
• monoclinic
• tetragonal
• cubic
• trigonal