Bi-Fe-O, Electronic and electrical properties, Tetrahedron 4-vertex, Trigonal

• Bi-Fe-La-O
• Bi-Fe-O-Ti
• Bi-Fe-O-Sm
• Bi-Fe-Nd-O
• permittivity (dielectric constant)
• electric polarization
• dielectric loss tangent
• ferroelectric hysteresis
• values of electric polarization
• transitional
• disordered
• chalcogen
• pnictogen
• oxide