Continuum versus discrete flux behaviour in large mesoscopic Bi2Sr2CaCu2O8+delta disks

Malcolm R Connolly, Simon J Bending, M V Milosevic, J R Clem, T Tamegai

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Abstract

We have used scanning Hall probe and 'local' Hall magnetometry measurements to map flux profiles in superconducting Bi2Sr2CaCu2O8+delta disks whose diameters span the crossover between the bulk and mesoscopic vortex regimes. The behaviour of large disks (>= 20 mu m diameter) is well described by analytic models that assume a continuous distribution of flux in the sample. Small disks (
Original languageEnglish
Pages (from-to)S896-S897
JournalPhysica C: Superconductivity and its Applications
Volume470
DOIs
Publication statusPublished - Dec 2010

Keywords

  • mesoscopic type II superconductors
  • vortex matter
  • multiscale physics

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