Commensurability effects in superconducting Nb films with quasiperiodic pinning arrays

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dc.creatorKemmler, M.
dc.creatorGuerlich, C.
dc.creatorSterck, A.
dc.creatorPoehler, H.
dc.creatorNeuhaus, M.
dc.creatorSiegel, M.
dc.creatorKleiner, R.
dc.creatorKoelle, D.
dc.date2006-05-23
dc.date2006-10-19
dc.date.accessioned2026-07-07T07:09:07Z
dc.date.available2026-07-07T07:09:07Z
dc.descriptionWe study experimentally the critical depinning current Ic versus applied magnetic field B in Nb thin films which contain 2D arrays of circular antidots placed on the nodes of quasiperiodic (QP) fivefold Penrose lattices. Close to the transition temperature Tc we observe matching of the vortex lattice with the QP pinning array, confirming essential features in the Ic(B) patterns as predicted by Misko et al. [Phys. Rev. Lett, vol.95, 177007 (2005)]. We find a significant enhancement in Ic(B) for QP pinning arrays in comparison to Ic in samples with randomly distributed antidots or no antidots.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0605563
dc.identifierhttp://arxiv.org/abs/cond-mat/0605563
dc.identifierPhys. Rev. Lett., vol.97, 147003 (2006)
dc.identifierdoi:10.1103/PhysRevLett.97.147003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/110945
dc.subjectSuperconductivity
dc.titleCommensurability effects in superconducting Nb films with quasiperiodic pinning arrays
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