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Analysis of the magnetic properties in hard-magnetic nanofibers composite

dc.contributor.authorMurillo Ortiz, Raquel
dc.contributor.authorMirabal García, Manuel
dc.contributor.authorMartínez Huerta, Juan Manuel
dc.contributor.authorCabal Velarde, Javier Gustavo
dc.contributor.authorCastañeda Robles, Ivan Erick
dc.contributor.authorLobo Guerrero, Azdrubal
dc.date.accessioned2019-09-12T17:35:38Z
dc.date.available2019-09-12T17:35:38Z
dc.date.issued2018
dc.identifier.citationR. Murillo-Ortíz, M. Mirabal-García, J. M. Martínez-Huerta, J. G. Cabal Velarde, I. E. Castaneda-Robles, and A. Lobo-Guerrero. (2018). Analysis of the magnetic properties in hard-magnetic nanofibers composite. Journal of Applied Physics 123, 105108; https://doi.org/10.1063/1.5008368
dc.identifier.urihttp://hdl.handle.net/11627/5190
dc.description.abstract"The magnetic properties of the strontium hexaferrite nanoparticles were studied as they were embedded at different concentrations in poly(vinyl alcohol) (PVA) nanofibers. These nanoparticles were prepared using the Pechini method and a low frequency sonication process obtaining a 3.4?nm average diameter. The composite consisting of hard magnetic nanoparticles homogeneously dispersed in a polymeric matrix was fabricated using a homemade electrospinning with 25?kV DC power supply. The obtained nanofibers had an average diameter of 110?nm, and nanoparticles were arranged and distributed within the nanofibers under the influence of a strong electric field. The configuration of the magnetic nanoparticles in the PVA nanofibers was such that the interparticle exchange interaction became negligible, while the magnetostatic interaction turned out predominant. The results reveal a considerable improvement in the energy product (BHmax) and in the squareness ratio (Mr/Ms) for nanoparticle concentrations between 15 and 30% per gram of PVA. The nanoparticles arrangement occurred at densities below the percolation concentration enhanced the hard-magnetic properties of the nanofibers, which indicates that the organization of the particles along the fibers induces anisotropy from the magnetostatic interaction among the magnetic nanoparticles. Finally, we close the discussion analyzing the observed effect below the percolation threshold, where the induced anisotropy caused the reduction of the full-width at half-maximum of the switching field distribution curves."
dc.publisherAmerican Institute of Physics
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.classificationFÍSICA
dc.titleAnalysis of the magnetic properties in hard-magnetic nanofibers composite
dc.typearticle
dc.identifier.doihttps://doi.org/10.1063/1.5008368
dc.rights.accessAcceso Abierto


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional