Coexistence of Weak Ferromagnetism and Ferroelectricity in the High Pressure LiNbO3-type Phase of FeTiO3

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dc.creatorVarga, T.
dc.creatorKumar, A.
dc.creatorVlahos, E.
dc.creatorDenev, S.
dc.creatorPark, M.
dc.creatorHong, S.
dc.creatorSanehira, T.
dc.creatorWang, Y.
dc.creatorFennie, C. J.
dc.creatorStreiffer, S. K.
dc.creatorKe, X.
dc.creatorSchiffer, P.
dc.creatorGopalan, V.
dc.creatorMitchell, J. F.
dc.date2009-05-20
dc.date.accessioned2026-07-07T13:16:51Z
dc.date.available2026-07-07T13:16:51Z
dc.descriptionWe report the magnetic and electrical characteristics of a polycrystalline specimen of FeTiO3 synthesized at high pressure that is isostructural with acentric LiNbO3 (LBO). Piezoresponse force microscopy, optical second harmonic generation, and magnetometry demonstrate that FeTiO3-II is ferroelectric at and below room temperature and weakly ferromagnetic below ~120 K. These results validate symmetry-based materials design criteria and first principles calculations of coexistence between ferroelectricity and weak ferromagnetism in a series of transition metal titanates crystallizing in the LBO structure. The high-pressure form of FeTiO3 stands out as a rare example of a ferroelectric exhibiting weak ferromagnetism generated by a Dzyaloshinskii-Moriya interaction.
dc.identifierhttps://arxiv.org/abs/0905.3332
dc.identifierhttp://arxiv.org/abs/0905.3332
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230924
dc.subjectMaterials Science
dc.titleCoexistence of Weak Ferromagnetism and Ferroelectricity in the High Pressure LiNbO3-type Phase of FeTiO3
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