A phenomenological model for the spontaneous exchange bias effect

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dc.creatorBufaiçal, Leandro Felix de Sousa
dc.creatorCoutrim, Leandro Tolentino
dc.creatorBittar, Eduardo Matzenbacher
dc.creatorGarcia, Flávio
dc.date.accessioned2024-02-20T14:23:18Z
dc.date.available2024-02-20T14:23:18Z
dc.date.issued2020
dc.description.abstractIn this work we propose an alternative model to explain the spontaneous exchange bias (SEB) effect observed in spin glass (SG)-like systems. As in a previously proposed model [1], it is based on the unconventional dynamics of the SG-like moments at the magnetic hysteresis cycle. However, using a reliable estimate of the amount of SG-spins that are relaxing during the cycle, the new model can correctly describe the changes in the SEB observed for measurements performed at different temperatures and different maximum applied fields.
dc.identifier.citationBUFAIÇAL, L.; COUTRIM, L. T.; BITTAR, E. M.; GARCIA, F. A phenomenological model for the spontaneous exchange bias effect. Journal of Magnetism and Magnetic Materials, Amsterdam, v. 512, e167048, 2020. DOI: 10.1016/j.jmmm.2020.167048. Disponível em: https://www.sciencedirect.com/science/article/pii/S030488532030888X. Acesso em: 16 fev. 2024.
dc.identifier.doi10.1016/j.jmmm.2020.167048
dc.identifier.issn0304-8853
dc.identifier.issne- 1873-4766
dc.identifier.urihttp://repositorio.bc.ufg.br//handle/ri/24377
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Aberto
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectExchange bias
dc.subjectSpin-glass
dc.subjectDouble-perovskite
dc.titleA phenomenological model for the spontaneous exchange bias effect
dc.typeArtigo

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