Alkaline, Chalcogen, Perovskite, Ba-O-Ti, Phase transitions

• Ba-Ca-O-Ti-Zr
• Ba-O-Sr-Ti
• Ba-O-Ti-Zr
• Ba-Bi-Na-O-Ti
• structural transitions
• temperature for structural transition
• temperature for congruent melting
• fusion
• perovskite
• oxide
• alkaline
• chalcogen
• transitional
• tetragonal
• cubic
• orthorhombic
• trigonal
• hexagonal