Electronic and electrical properties, Ferrielectric, Tetragonal

• Ba-O-Sr-Ti
• Bi-Na-O-Ti
• Ce-Co-Ge
• Bi-Ge-O-V
• Ba-Br-Eu-F-I
• permittivity (dielectric constant)
• conductivity or resistivity
• electric polarization
• ferroelectric transitions
• dielectric loss tangent
• ferrielectric
• transitional
• quaternary
• disordered
• chalcogen