Antiferroelectric, Non-disordered, Real part of permittivity

• Bi-Fe-O
• As-H-K-O
• Ba-Cu-O-Y
• H-O-P-Tl
• Cu-La-O
• non-disordered
• antiferroelectric
• chalcogen
• ferroelectric
• disordered
• orthorhombic
• trigonal
• tetragonal
• monoclinic
• cubic