A21am, Chalcogen

• Bi-O-Sr-Ta
• Bi-Nb-O-Sr
• Bi-O-Sr-Ti
• Bi-Co-Fe-O-Ti
• Ba-Bi-O-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• magnetic properties
• electric polarization
• optical properties
• chalcogen
• transitional
• pnictogen
• ferroelectric
• disordered
• orthorhombic