Alkaline, Chalcogen, Phase transitions, Trigonal

• La-Mn-O-Sr
• Ba-O-Ti
• Ca-La-Mn-O
• Ba-Ca-O-Ti-Zr
• Mg-Nb-O-Pb-Ti
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• decomposition
• chalcogen
• alkaline
• transitional
• disordered