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Magnetic susceptibility of pyrochlores R2Ti2O7: R = Gd, Dy, Tb

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dc.contributor.authorKuznetsov, A. V.
dc.contributor.authorChurkin, O. A.
dc.contributor.authorIvanov, A. A.
dc.contributor.authorPopov, V. V.
dc.contributor.authorAlekseev, P. A.
dc.contributor.authorMenushenkov, A. P.
dc.contributor.authorКузнецов, Алексей Владимирович
dc.contributor.authorЧуркин, Олег Алексеевич
dc.contributor.authorИванов, Андрей Анатольевич
dc.contributor.authorПопов, Виктор Владимирович
dc.contributor.authorАлексеев, Павел Александрович
dc.contributor.authorМенушенков, Алексей Павлович
dc.date.accessioned2024-11-25T15:10:49Z
dc.date.available2024-11-25T15:10:49Z
dc.date.issued2020
dc.description.abstract© 2019We present the study of magnetic susceptibility of pyrochlores Gd2Ti2O7, Dy2Ti2O7 and Tb2Ti2O7 which belong to frustrated magnets. The temperature dependence of the susceptibility χ(T) of powder samples was measured in the temperature range from 4.2 to 300 K and analyzed in the framework of mean field approximation taking into account both crystal field effects and anisotropy of the exchange interaction. We developed a simple approach allowing us to estimate interaction energies of magnetic ions from χ(T) dependences and data on wave functions of the crystal-field states of the ions using a minimum number of fitting parameters. We revealed a strong anisotropy of the exchange interaction in the paramagnetic state of Gd2Ti2O7 and obtained nearest-neighbor effective bond energies of the magnetic ions in Tb2Ti2O7 and Dy2Ti2O7 which are in good agreement with the temperatures of formation of the spin-ice state in these compounds.
dc.identifier.citationMagnetic susceptibility of pyrochlores R2Ti2O7: R = Gd, Dy, Tb / Kuznetsov, A.V. [et al.] // Journal of Magnetism and Magnetic Materials. - 2020. - 500. - 10.1016/j.jmmm.2019.166326
dc.identifier.doi10.1016/j.jmmm.2019.166326
dc.identifier.urihttps://www.doi.org/10.1016/j.jmmm.2019.166326
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85076867012&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000512907600020
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20095
dc.relation.ispartofJournal of Magnetism and Magnetic Materials
dc.titleMagnetic susceptibility of pyrochlores R2Ti2O7: R = Gd, Dy, Tb
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume500
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