Bi-Fe-O, Chalcogen, Remanent polarization

• Bi-Fe-La-O
• Bi-Fe-O-Ti
• Bi-Co-Fe-O-Ti
• Ba-Bi-Fe-O-Ti
• transitional
• oxide
• pnictogen
• chalcogen
• ferroelectric
• trigonal
• orthorhombic
• tetragonal
• triclinic
• cubic