Alkaline, Chalcogen, Transitional, Electrical conductivity

• Ba-O-Ti
• La-Mn-O-Sr
• Fe-O-Sr
• Ba-Fe-O
• Bi-O-Sr-Ti
• chalcogen
• alkaline
• transitional
• oxide
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal