Chalcogen, Multiferroic, Electric polarization

• Bi-Cr-Fe-O
• Eu-Mn-O-Y
• Mn-O-W
• Co-Mn-O-W
• Ho-Mn-O
• values of electric polarization
• spontaneous polarization
• transitional
• multiferroic
• chalcogen
• ferroelectric
• antiferromagnetic
• orthorhombic
• trigonal
• monoclinic
• hexagonal
• tetragonal