Bi-Fe-O, Ferroelectric hysteresis, Oxide, Trigonal

• Bi-Fe-La-O
• Bi-Fe-Ho-O
• Ba-Bi-Fe-O
• Bi-Fe-Nd-O
• coercive electric field
• remanent polarization
• values of ferroelectric hysteresis
• transitional
• oxide
• pnictogen
• chalcogen
• multiferroic