Magnetic nanoparticles as efficient bulk pinning centers in type-II superconductors

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dc.creatorSnezhko, Alexey
dc.creatorProzorov, Tanya
dc.creatorProzorov, Ruslan
dc.date2004-03-01
dc.date2004-06-30
dc.date.accessioned2026-07-07T06:30:05Z
dc.date.available2026-07-07T06:30:05Z
dc.descriptionEnhancement of flux pinning by magnetic nanoparticles embedded into the bulk of type-2 superconductor is studied both theoretically and experimentally. Magnetic part of the pinning force associated with the interaction between a spherical magnetic inclusion and an Abrikosov vortex was calculated in the London approximation. Calculations are supported by the experimental results obtained on sonochemically modified MgB2 superconductor with embedded magnetic Fe2O3 nanoparticles and compared to MgB2 with nonmagnetic Mo2O5 pinning centers of similar concentration and particle size distribution. It is shown that ferromagnetic nanoparticles result in a considerable enhancement of vortex pinning in large-kappa type-2 superconductors.
dc.descriptionPDF, 14 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0403015
dc.identifierhttp://arxiv.org/abs/cond-mat/0403015
dc.identifierPhys. Rev. B 71, 024527 (2005).
dc.identifierdoi:10.1103/PhysRevB.71.024527
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98255
dc.subjectSuperconductivity
dc.titleMagnetic nanoparticles as efficient bulk pinning centers in type-II superconductors
dc.typetext

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