Antiferroelectric, Ferroelectric, Magnetic properties, Trigonal

• Bi-Fe-O
• B-Fe-Gd-O
• B-Fe-O-Sm
• Bi-Fe-O-Y
• Al-O-Pr
• magnetization
• values of magnetization
• magnetic hysteresis
• magnetic transitions
• ferroelectric
• chalcogen
• antiferroelectric
• disordered
• antiferromagnetic