Alkaline, Chalcogen, Oxide, Ba-O-Sr-Ti, Phase transitions

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