Effects of magnetic monopoles charge on the cracking reversal processes in artificial square ices

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dc.creatorTeônis Silva de Paiva
dc.creatorAfranio Rodrigues Pereira
dc.creatorClodoaldo Irineu Levartoski de Araujo
dc.creatorJoão Henrique Rodrigues
dc.creatorLucas Alvares da Silva Mól
dc.creatorJérôme Gilles Ollivier Borme
dc.creatorPaulo Jorge Peixeiro de Freitas
dc.date.accessioned2025-02-17T16:45:27Z
dc.date.accessioned2025-09-08T23:28:40Z
dc.date.available2025-02-17T16:45:27Z
dc.date.issued2020
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1038/s41598-020-66794-0
dc.identifier.issn2045-2322
dc.identifier.urihttps://hdl.handle.net/1843/80144
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofScientific Reports
dc.rightsAcesso Aberto
dc.subjectDispositivos magneticos
dc.subjectPropriedades magnéticas
dc.subjectMateriais magnéticos
dc.subject.otherMagnetic devices
dc.subject.otherMagnetic properties and materials
dc.titleEffects of magnetic monopoles charge on the cracking reversal processes in artificial square ices
dc.typeArtigo de periódico
local.citation.epage7
local.citation.spage1
local.citation.volume10
local.description.resumoIn this paper we perform nanofabrication of square artificial spin ices with different lattice parameters, in order to investigate the roles of vertex excitation on the features of the system. In particular, the character of magnetic charge distribution asymmetry on the vertices are observed under magnetic hysteresis loop experiments. We then compare our results with simulation using an emergent Hamiltonian containing objects such as magnetic monopoles and dipoles in the vertices of the array (instead of the usual Hamiltonian based on the dipolar interactions among the magnetic nanoislands). All possible interactions between these objects are considered (monopole-monopole, monopole-dipole and dipole-dipole). Using realistic parameters we observe very good match between experiments and theory, which allow us to better understand the system dynamics in function of monopole charge intensity.
local.identifier.orcidhttps://orcid.org/0000-0002-7256-4820
local.identifier.orcidhttps://orcid.org/0000-0002-5001-0499
local.identifier.orcidhttps://orcid.org/0000-0002-5622-7760
local.identifier.orcidhttps://orcid.org/0000-0003-0015-1186
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://www.nature.com/articles/s41598-020-66794-0

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