Direct transition from a disordered to a multiferroic phase on a triangular lattice

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dc.contributor.author Kenzelmann, M.
dc.contributor.author Lawes, G.
dc.contributor.author Harris, A.B.
dc.contributor.author Gasparovic, G.
dc.contributor.author Broholm, C.
dc.contributor.author Ramirez, A.P.
dc.contributor.author Jorge, G.A.
dc.contributor.author Jaime, M.
dc.contributor.author Park, S.
dc.contributor.author Huang, Q.
dc.contributor.author Shapiro, A.Y.
dc.contributor.author Demianets, L.A.
dc.date.accessioned 2010-01-05T15:04:46Z
dc.date.available 2010-01-05T15:04:46Z
dc.date.issued 2007-06-29
dc.identifier.citation Physical Review Letters 29 June 2007, vol.98, no.26, pp. 267205/1-4 en
dc.identifier.uri http://jhir.library.jhu.edu/handle/1774.2/33737
dc.description.abstract We report the first direct transition from a paramagnetic and paraelectric phase to an incommensurate multiferroic in the triangular lattice antiferromagnet RbFe(MoO4)2. Ferroelectricity is observed only when the magnetic structure has chirality and breaks inversion symmetry. A Landau expansion of symmetry-allowed terms in the free energy demonstrates that chiral magnetic order can give rise to a pseudoelectric field, whose temperature dependence agrees with experiment. en
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dc.description.provenance Made available in DSpace on 2010-01-05T15:04:46Z (GMT). No. of bitstreams: 1 Broholm Direct 2007.pdf: 923607 bytes, checksum: 5c306a307cb915a03b73ee43b592d49c (MD5) Previous issue date: 2007-06-29 en
dc.language.iso en_US en
dc.publisher American Physical Society en
dc.subject triangular lattice en
dc.subject direct transition en
dc.subject chirality en
dc.subject broken inversion symmetry en
dc.subject chiral magnetic order en
dc.subject pseudoelectric field en
dc.subject rubidium compounds en
dc.subject paramagnetic materials en
dc.subject magnetc transitions en
dc.subject ferroelectric transitions en
dc.subject dielectric materials en
dc.subject multiferroics en
dc.subject magnetic transitions en
dc.subject iron compounds en
dc.subject free energy en
dc.subject Landau expansion en
dc.subject ferroelectricity en
dc.subject RbFe(MoO4)2 en
dc.title Direct transition from a disordered to a multiferroic phase on a triangular lattice en
dc.type Article en

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