Symmetry of Multiferroicity in a Frustrated Magnet TbMn$_2$O$_5$

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dc.creatorOkamoto, J.
dc.creatorHuang, D. J.
dc.creatorMou, C. -Y.
dc.creatorChao, K. S.
dc.creatorLin, H. -J.
dc.creatorPark, S.
dc.creatorCheong, S-W.
dc.creatorChen, C. T.
dc.date2007-03-09
dc.date.accessioned2026-07-07T07:51:03Z
dc.date.available2026-07-07T07:51:03Z
dc.descriptionBased on measurements of soft x-ray magnetic scattering and symmetry considerations, we demonstrate that the magnetoelectric effect in TbMn$_2$O$_5$ arises from an internal field determined by $\vec{S}_{\vec{q}} \times {\vec{S}_{-\vec{q}}}$ with $\vec{S}_{\vec{q}}$ being the magnetization at modulation vector $\vec{q}$, whereas the magneto-elastic effect in the exchange energy governs the response to external electric fields. Our results set fundamental symmetry constraints on the microscopic mechanism of multiferroicity in frustrated magnets.
dc.identifierhttps://arxiv.org/abs/cond-mat/0703234
dc.identifierhttp://arxiv.org/abs/cond-mat/0703234
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125378
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleSymmetry of Multiferroicity in a Frustrated Magnet TbMn$_2$O$_5$
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