Chalcogen, Conductor, Semiconductor, Real part of permittivity

• Ba-O-Ti
• Ca-Cu-O-Ti
• Bi-Fe-O
• Bi-Na-O-Ti
• O-Sr-Ti
• conductor
• semiconductor
• chalcogen
• transitional
• oxide
• cubic
• tetragonal
• trigonal
• orthorhombic
• monoclinic