Electrical resistivity - valence electron concentration diagram, Transitional

• Bi-Fe-O
• O-Pb-Ti-Zr
• Ba-O-Ti
• Bi-O-Sr-Ta
• K-Na-Nb-O
• coercive electric field
• remanent polarization
• values of ferroelectric hysteresis
• transitional
• chalcogen
• ferroelectric
• nonmetal
• disordered
• orthorhombic
• tetragonal
• trigonal
• cubic
• hexagonal