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Dynamics of particles with cubic magnetic anisotropy in a viscous liquid

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dc.contributor.authorRytov, R. A.
dc.contributor.authorGubanova, E. M.
dc.contributor.authorUsov, N. A.
dc.contributor.authorГубанова, Елизавета Михайловна
dc.contributor.authorУсов, Николай Александрович
dc.date.accessioned2024-12-26T06:58:50Z
dc.date.available2024-12-26T06:58:50Z
dc.date.issued2022
dc.description.abstract© 2021 Elsevier B.V.We calculated the specific absorption rate (SAR) and relaxation time of a dilute assembly of spherical iron nanoparticles with cubic anisotropy distributed in a viscous liquid. The behavior of unit magnetization vector was investigated by the solution of stochastic Landau–Lifshitz equation. The spatial orientation of magnetic nanoparticle was determined by the set of stochastic equations for multiple particle directors. The particle viscous and magnetic magnetization reversal modes are revealed at low and sufficiently high amplitudes of alternating magnetic field, respectively. The SAR of iron nanoparticle assembly is shown to exceed significantly that of iron oxide nanoparticles with uniaxial anisotropy at the same amplitudes and frequencies of applied magnetic field. The linear response theory is shown to be valid only at small magnetic field amplitudes, H0 ≤ 50–70 Oe.
dc.identifier.citationRytov, R. A. Dynamics of particles with cubic magnetic anisotropy in a viscous liquid / Rytov, R.A., Gubanova, E.M., Usov, N.A. // Journal of Magnetism and Magnetic Materials. - 2022. - 541. - 10.1016/j.jmmm.2021.168494
dc.identifier.doi10.1016/j.jmmm.2021.168494
dc.identifier.urihttps://www.doi.org/10.1016/j.jmmm.2021.168494
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85115136881&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000705012500009
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28576
dc.relation.ispartofJournal of Magnetism and Magnetic Materials
dc.titleDynamics of particles with cubic magnetic anisotropy in a viscous liquid
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume541
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