Chalcogen, Conductor, Ternary, Temperature for structural transition

• Ba-O-Ti
• Na-Nb-O
• O-Sr-Ti
• O-Pb-Ti
• In-S-Tl
• conductor
• chalcogen
• ternary
• transitional
• semiconductor
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal