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New routes to multiferroics

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dc.contributor.author Rao, C N R
dc.contributor.author Serrao, Claudy Rayan
dc.date.accessioned 2012-02-07T11:15:34Z
dc.date.available 2012-02-07T11:15:34Z
dc.date.issued 2007
dc.identifier 0959-9428 en_US
dc.identifier.citation Journal of Materials Chemistry 17(47), 4931-4938 (2007) en_US
dc.identifier.uri https://libjncir.jncasr.ac.in/xmlui/10572/331
dc.description.abstract Multiferroic materials are those which possess both ferroelectric and ferromagnetic properties. Clearly, there is a contradiction here since ferromagnetism requires d-electrons while ferroelectricity generally occurs only in the absence of d-electrons. Several multiferroics demonstrating magnetoelectric coupling effects have, however, been discovered in the past few years, but they generally make use of alternative mechanisms in attaining these properties. Several new ideas and concepts have emerged in the past two years, typical of them being magnetic ferroelectricity induced by frustrated magnetism, lone pair effect, charge-ordering and local non-centrosymmetry. Charge-order driven magnetic ferroelectricity is interesting in that it would be expected to occur in a large number of rare earth manganites, Ln(1-x)A(x)MnO(3) (A = alkaline earth), well known for colossal magnetoresistance, electronic phase separation and other properties. In this article, we discuss novel routes to multiferroics, giving specific examples of materials along with their characteristics. en_US
dc.description.uri http://dx.doi.org/10.1039/b709126e en_US
dc.language.iso en en_US
dc.publisher Royal Society of Chemistry en_US
dc.rights © 2007 The Royal Society of Chemistry en_US
dc.subject Electronic Phase-Separation en_US
dc.subject Rare-Earth en_US
dc.subject Crystal-Structure en_US
dc.subject Room-Temperature en_US
dc.subject Ferroelectricity en_US
dc.subject Bimno3 en_US
dc.subject Polarization en_US
dc.subject Manganites en_US
dc.subject Manganates en_US
dc.subject Transition en_US
dc.title New routes to multiferroics en_US
dc.type Article en_US


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