Chalcogen, Disordered, Oxide, Coercive electric field

• Bi-Fe-O
• O-Pb-Ti-Zr
• Ba-O-Ti
• Bi-O-Sr-Ta
• K-Na-Nb-O
• oxide
• disordered
• transitional
• chalcogen
• ferroelectric
• tetragonal
• orthorhombic
• trigonal
• cubic
• monoclinic