Realization of rectangular artificial spin ice and direct observation of high energy topology.
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFOP |
Texto Completo: | http://www.repositorio.ufop.br/handle/123456789/11350 https://doi.org/10.1038/s41598-017-14421-w |
Resumo: | In this work, we have constructed and experimentally investigated frustrated arrays of dipoles forming two-dimensional artificial spin ices with different lattice parameters (rectangular arrays with horizontal and vertical lattice spacings denoted by a and b respectively). Arrays with three different aspect ratios γ = a/b = 2, 3 and 4 are studied. Theoretical calculations of low-energy demagnetized configurations for these same parameters are also presented. Experimental data for demagnetized samples confirm most of the theoretical results. However, the highest energy topology (doubly-charged monopoles) does not emerge in our theoretical model, while they are seen in experiments for large enough γ. Our results also insinuate that the string tension connecting two magnetic monopoles in a pair vanishes in rectangular lattices with a critical ratio γ = γc = 3, supporting previous theoretical predictions. |
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Ribeiro, Igor Renato BuenoNascimento, F. S.Ferreira Júnior, Silvio da CostaMelo, Winder Alexander de MouraCosta, C. A. R.Borme, J.Freitas, P. P.Wysin, G. M.Araujo, Clodoaldo Irineu Levartoski dePereira, Amanda Raimundi2019-05-28T14:17:32Z2019-05-28T14:17:32Z2017RIBEIRO, I. R. B. et al. Realization of rectangular artificial spin ice and direct observation of high energy topology. Scientific Reports, v. 7, p. 13982, 2017. Disponível em: <https://www.nature.com/articles/s41598-017-14421-w>. Acesso em: 15 fev. 2019.2045-2322http://www.repositorio.ufop.br/handle/123456789/11350https://doi.org/10.1038/s41598-017-14421-wIn this work, we have constructed and experimentally investigated frustrated arrays of dipoles forming two-dimensional artificial spin ices with different lattice parameters (rectangular arrays with horizontal and vertical lattice spacings denoted by a and b respectively). Arrays with three different aspect ratios γ = a/b = 2, 3 and 4 are studied. Theoretical calculations of low-energy demagnetized configurations for these same parameters are also presented. Experimental data for demagnetized samples confirm most of the theoretical results. However, the highest energy topology (doubly-charged monopoles) does not emerge in our theoretical model, while they are seen in experiments for large enough γ. Our results also insinuate that the string tension connecting two magnetic monopoles in a pair vanishes in rectangular lattices with a critical ratio γ = γc = 3, supporting previous theoretical predictions.This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Fonte: o próprio artigoinfo:eu-repo/semantics/openAccessRealization of rectangular artificial spin ice and direct observation of high energy topology.info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOPLICENSElicense.txtlicense.txttext/plain; charset=utf-8924http://www.repositorio.ufop.br/bitstream/123456789/11350/2/license.txt62604f8d955274beb56c80ce1ee5dcaeMD52ORIGINALARTIGO_RealizationRectangularArtificial.pdfARTIGO_RealizationRectangularArtificial.pdfapplication/pdf2480501http://www.repositorio.ufop.br/bitstream/123456789/11350/1/ARTIGO_RealizationRectangularArtificial.pdfdadff1cc9294988be8cc6cdc934582c2MD51123456789/113502019-05-28 10:17:33.005oai:localhost: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ório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332019-05-28T14:17:33Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false |
dc.title.pt_BR.fl_str_mv |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
title |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
spellingShingle |
Realization of rectangular artificial spin ice and direct observation of high energy topology. Ribeiro, Igor Renato Bueno |
title_short |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
title_full |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
title_fullStr |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
title_full_unstemmed |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
title_sort |
Realization of rectangular artificial spin ice and direct observation of high energy topology. |
author |
Ribeiro, Igor Renato Bueno |
author_facet |
Ribeiro, Igor Renato Bueno Nascimento, F. S. Ferreira Júnior, Silvio da Costa Melo, Winder Alexander de Moura Costa, C. A. R. Borme, J. Freitas, P. P. Wysin, G. M. Araujo, Clodoaldo Irineu Levartoski de Pereira, Amanda Raimundi |
author_role |
author |
author2 |
Nascimento, F. S. Ferreira Júnior, Silvio da Costa Melo, Winder Alexander de Moura Costa, C. A. R. Borme, J. Freitas, P. P. Wysin, G. M. Araujo, Clodoaldo Irineu Levartoski de Pereira, Amanda Raimundi |
author2_role |
author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Ribeiro, Igor Renato Bueno Nascimento, F. S. Ferreira Júnior, Silvio da Costa Melo, Winder Alexander de Moura Costa, C. A. R. Borme, J. Freitas, P. P. Wysin, G. M. Araujo, Clodoaldo Irineu Levartoski de Pereira, Amanda Raimundi |
description |
In this work, we have constructed and experimentally investigated frustrated arrays of dipoles forming two-dimensional artificial spin ices with different lattice parameters (rectangular arrays with horizontal and vertical lattice spacings denoted by a and b respectively). Arrays with three different aspect ratios γ = a/b = 2, 3 and 4 are studied. Theoretical calculations of low-energy demagnetized configurations for these same parameters are also presented. Experimental data for demagnetized samples confirm most of the theoretical results. However, the highest energy topology (doubly-charged monopoles) does not emerge in our theoretical model, while they are seen in experiments for large enough γ. Our results also insinuate that the string tension connecting two magnetic monopoles in a pair vanishes in rectangular lattices with a critical ratio γ = γc = 3, supporting previous theoretical predictions. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017 |
dc.date.accessioned.fl_str_mv |
2019-05-28T14:17:32Z |
dc.date.available.fl_str_mv |
2019-05-28T14:17:32Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
RIBEIRO, I. R. B. et al. Realization of rectangular artificial spin ice and direct observation of high energy topology. Scientific Reports, v. 7, p. 13982, 2017. Disponível em: <https://www.nature.com/articles/s41598-017-14421-w>. Acesso em: 15 fev. 2019. |
dc.identifier.uri.fl_str_mv |
http://www.repositorio.ufop.br/handle/123456789/11350 |
dc.identifier.issn.none.fl_str_mv |
2045-2322 |
dc.identifier.doi.pt_BR.fl_str_mv |
https://doi.org/10.1038/s41598-017-14421-w |
identifier_str_mv |
RIBEIRO, I. R. B. et al. Realization of rectangular artificial spin ice and direct observation of high energy topology. Scientific Reports, v. 7, p. 13982, 2017. Disponível em: <https://www.nature.com/articles/s41598-017-14421-w>. Acesso em: 15 fev. 2019. 2045-2322 |
url |
http://www.repositorio.ufop.br/handle/123456789/11350 https://doi.org/10.1038/s41598-017-14421-w |
dc.language.iso.fl_str_mv |
eng |
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