Chalcogen, Yttriaite, Phase transitions

• Ba-Cu-O-Y
• Al-O-Y-Zr
• O-Y
• Cu-O-Y
• Mg-O-Y-Zr
• phase diagram
• structural transitions
• pressure for structural transition
• fusion
• transitional
• rare earth
• chalcogen
• oxide
• yttriaite
• cubic