Chalcogen, Disordered, Phase transitions, Tetragonal

• Ba-O-Ti
• Fe-Te
• K-Na-Nb-O
• Mg-Nb-O-Pb-Ti
• Ba-Ca-O-Ti-Zr
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• chalcogen
• disordered
• transitional
• oxide