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      Real-time imaging of vortex-antivortex annihilation in Bi 2Sr2CaCu2O8+δ single crystals by low temperature scanning hall probe microscopy

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      Author(s)
      Dede, M.
      Oral, A.
      Yamamoto, T.
      Kadowaki, K.
      Shtrikman, H.
      Date
      2006
      Source Title
      Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
      Print ISSN
      0021-4922
      Publisher
      IOP Institute of Physics Publishing
      Volume
      45
      Issue
      3B
      Pages
      2246 - 2250
      Language
      English
      Type
      Article
      Item Usage Stats
      201
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      Abstract
      Vortices in superconductors play an important role in operating limits and applications of the superconductors. Scanning Hall probe microscopes have proven themselves to be quantitative and non-invasive tools for investigating magnetic samples down to 50 nm scale. Penetration of vortices in high quality single crystal Bi2Sr2CaCu2O8+δ superconductor has been studied in real-time with single vortex resolution at 77 K using a low temperature scanning Hall probe microscope (LT-SHPM). Vortices have been observed to be annihilated by the antivortices in small M-H loops.
      Keywords
      BSCCO
      Hall effect
      Scanning hall probe microscopy
      Superconductivity
      Vortices
      Hall effect
      Imaging techniques
      Real time systems
      Superconducting materials
      Superconductivity
      Vortex flow
      Annihilation
      Bi2Sr2CaCu2O8+δ
      BSCCO
      Scanning hall probe microscopy
      Single crystals
      Permalink
      http://hdl.handle.net/11693/23830
      Published Version (Please cite this version)
      http://dx.doi.org/10.1143/JJAP.45.2246
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      • Department of Physics 2550
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