Evidence for non-Dzyaloshinskii–Moriya ferromagnetism in epitaxial BiFeO₃ films

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dc.contributor.authorProkhorov, V.G.
dc.contributor.authorKaminsky, G.G.
dc.contributor.authorKim, J.M.
dc.contributor.authorEom, T.W.
dc.contributor.authorPark, J.S.
dc.contributor.authorLee, Y.P.
dc.contributor.authorSvetchnikov, V.L.
dc.contributor.authorLevtchenko, G.G.
dc.contributor.authorNikolaenko, Yu.M.
dc.contributor.authorKhokhlov, V.A.
dc.date.accessioned2017-05-30T14:09:08Z
dc.date.available2017-05-30T14:09:08Z
dc.date.issued2011
dc.description.abstractBiFeO₃ films have been prepared by dc magnetron sputtering on LaAlO₃ (001) single-crystalline substrate. X-ray diffraction analysis and high-resolution electron-microscopy study reveal that the films have a highly coriented orthorhombic crystal structure. It was found that the magnetic properties of the BiFeO₃ films are typical for the ensemble of interacting superparamagnetic clusters rather than for the Dzyaloshinskii–Moriya weak ferromagnet. Appearance of the extrinsic nanoscale superparamagnetic clusters is explained by the oxygen deficiency in certain regions of the film, where the ferromagnetic ordering is realized through the double-exchange mechanism by Zener.uk_UA
dc.description.sponsorshipThis work was supported by the NRF/MEST through the Quantum Photonic Science Research Center, Korea. V. Svetchnikov is grateful to the financial support of Netherlands Institute for Metal Research.uk_UA
dc.identifier.citationEvidence for non-Dzyaloshinskii–Moriya ferromagnetism in epitaxial BiFeO₃ films / V.G. Prokhorov, G.G. Kaminsky, J.M. Kim, T.W. Eom, J.S. Park, Y.P. Lee, V.L. Svetchnikov, G.G. Levtchenko, Yu.M. Nikolaenko, V.A. Khokhlov // Физика низких температур. — 2011. — Т. 37, № 2. — С. 161–166. — Бібліогр.: 27 назв. — англ.uk_UA
dc.identifier.issn0132-6414
dc.identifier.otherPACS: 75.20.–g
dc.identifier.urihttps://nasplib.isofts.kiev.ua/handle/123456789/118488
dc.language.isoenuk_UA
dc.publisherФізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН Україниuk_UA
dc.relation.ispartofФизика низких температур
dc.statuspublished earlieruk_UA
dc.subjectНизкотемпературный магнетизмuk_UA
dc.titleEvidence for non-Dzyaloshinskii–Moriya ferromagnetism in epitaxial BiFeO₃ filmsuk_UA
dc.typeArticleuk_UA

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Физика низких температур, 2011, № 02