Multiferroic Compounds with Double-Perovskite Structures
AbstractNew multiferroic compounds with double-perovskite structures were synthesized. Bi2NiMnO6 was synthesized in bulk form by high-pressure synthesis and also in a thin-film form by epitaxial growth. The material showed both ferromagnetic and ferroelectric properties, i.e., the multiferroic property at low temperature. Bi2FeCrO6 was also fabricated in a (1 1 1) oriented BiFeO3/BiCrO3 artificial superlattice, with a 1/1 stacking period. The superlattice film showed ferromagnetic behavior and polarization switching at room temperature. In the compounds, Bi3+ ion, located at the A site in the perovskite structure, caused ferroelectric structural distortion, and the B-site ordering of the Ni2+ and Mn4+ ions (Fe3+ and Cr3+ ions) in a rock-salt configuration led to ferromagnetism according to the Kanamori-Goodenough rule. View Full-Text
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Shimakawa, Y.; Azuma, M.; Ichikawa, N. Multiferroic Compounds with Double-Perovskite Structures. Materials 2011, 4, 153-168.
Shimakawa Y, Azuma M, Ichikawa N. Multiferroic Compounds with Double-Perovskite Structures. Materials. 2011; 4(1):153-168.Chicago/Turabian Style
Shimakawa, Yuichi; Azuma, Masaki; Ichikawa, Noriya. 2011. "Multiferroic Compounds with Double-Perovskite Structures." Materials 4, no. 1: 153-168.