Chalcogen, Quaternary, Hf, Phase transitions

• Ca-Hf-O-Y
• Ba-Hf-O-Ti
• Hf-La-O-Y
• Al-Hf-O-Y
• Hf-O-Y-Zr
• phase diagram
• fusion
• temperature for congruent melting
• temperature for structural transition
• transitional
• quaternary
• chalcogen
• oxide
• rare earth
• cubic
• trigonal
• monoclinic
• orthorhombic
• tetragonal