Chalcogen, Oxide, Transitional, Temperature for structural transition

• Ba-O-Ti
• Ca-La-Mn-O
• Fe-O
• K-Na-Nb-O
• Mg-Nb-O-Pb-Ti
• transitional
• chalcogen
• oxide
• disordered
• nonmetal
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal