Bi-Fe-O, Conductor, Oxide, Pnictogen, Electric polarization

• Bi-Fe-Nd-O
• Bi-Fe-La-O
• Ba-Bi-Fe-O
• Bi-Fe-O-Sm
• values of electric polarization
• spontaneous polarization
• pnictogen
• conductor
• chalcogen
• oxide
• transitional
• trigonal
• orthorhombic
• tetragonal
• triclinic
• hexagonal