Convoluted Magnetoresistance and Magnetic Reversal Processes in Ni–Fe Segmented Cylindrical Nanodots with Tunable Size and Composition for Technological Applications

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dc.contributor.affiliationVelásquez, E.A., Grupo de Materiales Nanoestructurados y Biomodelación MATBIOM, Facultad de Ciencias Básicas, Universidad de Medellín, Carrera 87 No. 30-65, Medellín, 050026, Colombia
dc.contributor.affiliationMazo-Zuluaga, J., Grupo de Instrumentación Científica y Microelectrónica, Grupo de Estado Sólido, IF-FCEN, Universidad de Antioquia UdeA calle 70 No. 52-21, Medellín, 050010, Colombia
dc.contributor.affiliationMejía-López, J., Centro de Investigación en Nanotecnología y Materiales Avanzados CIEN-UC, Facultad de Física, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago, 7820436, Chile, Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo, Km 1 1/2 Panamericana Sur, Riobamba, EC060155, Ecuador, MIGA Millennium Institute, (ICN2021_023), Santiago, 7820436, Chile
dc.contributor.authorVelásquez E.A
dc.contributor.authorMazo-Zuluaga J
dc.contributor.authorMejía-López J.
dc.date.accessioned2023-10-24T19:23:59Z
dc.date.available2023-10-24T19:23:59Z
dc.date.issued2023
dc.description.abstractDue to their unique properties, bi-segmented systems are currently used in several technological applications such as sensing devices, high density magnetic data storage systems, spintronics and microelectromechanical components, among others. In this study, the magnetoresistance and magnetic properties of Ni–Fe bi-segmented cylindrical nanodots in a broad range of diameters and heights are discussed. The power of the First Principles approach, as considered in the density functional theory formulation, is used to study the structural and magnetic relaxation effects, and atomistic simulations, through the Fast Monte Carlo methodology, are employed to explore the magnetoresistance and magnetic behaviors of these systems. By means of the magnetic hysteresis and magnetoresistance signals, convoluted magnetization reversal schemes are discussed. These effects take place depending on the size of the Ni and Fe components as a result of the interplay among exchange interactions and size and shape effects induced by dipolar interactions. Since size has become an experimental controllable parameter, due to the enriched phenomena, the effects discussed in these bi-component systems are useful for the design and production of devices for technological applications with relevance beyond the observed in the more restricted single component systems. © 2023 Wiley-VCH GmbH.eng
dc.identifier.doi10.1002/adts.202300051
dc.identifier.instnameinstname:Universidad de Medellínspa
dc.identifier.issn25130390
dc.identifier.reponamereponame:Repositorio Institucional Universidad de Medellínspa
dc.identifier.repourlrepourl:https://repository.udem.edu.co/
dc.identifier.urihttp://hdl.handle.net/11407/7899
dc.language.isoeng
dc.publisherJohn Wiley and Sons Incspa
dc.publisher.facultyFacultad de Ciencias Básicasspa
dc.publisher.programCiencias Básicasspa
dc.relation.isversionofhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85161246693&doi=10.1002%2fadts.202300051&partnerID=40&md5=baf39ea364b275730e22e80ff57c8bba
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dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccess
dc.sourceAdv. Theory Simul.
dc.sourceAdvanced Theory and Simulationseng
dc.subjectDFTeng
dc.subjectDipolar interactionseng
dc.subjectDipolar-induced size/shape effectseng
dc.subjectMagnetic reversaleng
dc.subjectMagnetoresistanceeng
dc.subjectMonte Carloeng
dc.subjectNi-Fe segmented nanocylinderseng
dc.titleConvoluted Magnetoresistance and Magnetic Reversal Processes in Ni–Fe Segmented Cylindrical Nanodots with Tunable Size and Composition for Technological Applicationseng
dc.typeArticle
dc.type.localArtículospa
dc.type.versioninfo:eu-repo/semantics/publishedVersion

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