Magnetic relaxation induced by transverse flux shaking in MgB2 superconductors

cnea.localizacionCentro Atómico Bariloche
cnea.tipodocumentoARTÍCULO CIENTÍFICO
dc.contributor.authorLuzuriaga, J.
dc.contributor.authorBadía-Majós, A.
dc.contributor.authorNieva, G.
dc.contributor.authorGiordano, J.L.
dc.contributor.authorLopez, C.
dc.contributor.authorSerquis, A.
dc.contributor.authorSerrano, G.
dc.contributor.cneaproductorGerencia Física. Departamento Materia Condensada. División Bajas Temperaturas
dc.date.accessioned2024-05-07T13:36:38Z
dc.date.available2024-05-07T13:36:38Z
dc.date.issued2009-00-00
dc.description.abstractWe report on measurements and numerical simulations of the behavior of MgB2 superconductors when magnetic field components are applied along mutually perpendicular directions. By closely matching the geometry in simulations and measurements, full quantitative agreement is found. The critical state theory and a single phenomenological law, i.e. the field dependence of the critical current density Jc(B), are sufficient for a full quantitative description of the measurements. These were performed in thick strips of carbon nanotube doped MgB2 samples. Magnetization was measured in two orthogonal directions using a SQUID magnetometer. Magnetic relaxation effects induced by the application of an oscillatory perpendicular field were observed and simulated numerically. The measurements confirm the numerical predictions, that two relaxation regimes appear, depending on the amplitude of the applied magnetic field. The overall agreement constitutes a convincing validation of the critical state model and the numerical procedures used.
dc.description.institutionalaffiliationFil.: Luzuriaga, J. Comisión Nacional de Energía Atómica. Instituto Balseiro; Argentina; Universidad Nacional de Cuyo; Argentina
dc.description.institutionalaffiliationFil.: Nieva, G. Comisión Nacional de Energía Atómica. Instituto Balseiro; Argentina; Universidad Nacional de Cuyo; Argentina
dc.description.institutionalaffiliationFil.: Serquis, A. Comisión Nacional de Energía Atómica. Instituto Balseiro; Argentina; Universidad Nacional de Cuyo; Argentina
dc.description.institutionalaffiliationFil.: Serrano, G. Comisión Nacional de Energía Atómica. Instituto Balseiro; Argentina; Universidad Nacional de Cuyo; Argentina
dc.description.institutionalaffiliationexternalFil.: Badía-Majós, A. Universidad de Zaragoza; España; Consejo Superior de Investigaciones Científicas; España
dc.description.institutionalaffiliationexternalFil.: Giordano, J.L. Universidad de Talca; Chile
dc.description.institutionalaffiliationexternalFil.: Lopez, C. Universidad de Alcalá de Henares; España
dc.description.recordsetsectionProducción científica
dc.description.recordsetseriesContribución a revistas científicas
dc.format.extent6 p.
dc.identifier.citationJ Luzuriaga et al 2009 Supercond. Sci. Technol. 22 015021
dc.identifier.doihttp://dx.doi.org/10.1088/0953-2048/22/1/015021
dc.identifier.issn1361-6668
dc.identifier.urihttps://nuclea.cnea.gob.ar/handle/20.500.12553/5310
dc.language.ISO639-3eng
dc.publisherIOP Publishing
dc.relation.ispartofv. 22, n. 1
dc.relation.ispartofseriesSuperconductor Science and Technology
dc.rights.accesslevelinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-sa/4.0/
dc.subject.fordCIENCIAS NATURALES
dc.subject.fordCIENCIAS FÍSICAS
dc.subject.inisSUPERCONDUCTORES
dc.subject.inisCAMPOS MAGNETICOS
dc.subject.keywordMgB2 superconductors
dc.subject.keywordMagnetic fields
dc.subject.keywordFlux shaking effects
dc.titleMagnetic relaxation induced by transverse flux shaking in MgB2 superconductors
dc.typeARTÍCULO
dc.type.openaireinfo:eu-repo/semantics/article
dc.type.snrdinfo:ar-repo/semantics/artículo
dc.type.versioninfo:eu-repo/semantics/publishedVersion

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