Antiferroelectric, Chalcogen, Disordered, Oxide, Real part of permittivity

• Bi-Fe-O
• Bi-Na-O-Ti
• Co-Fe-O
• Ba-Bi-Na-O-Ti
• Ba-Cu-O-Y
• oxide
• chalcogen
• antiferroelectric
• disordered
• transitional
• tetragonal
• trigonal
• cubic
• orthorhombic
• monoclinic