• DocumentCode
    1124175
  • Title

    Critical Current Densities of Isolated Grain Boundaries in Coated Conductors

  • Author

    Weigand, Marcus ; Speller, Susannah ; Rutter, Noel A. ; Hughes, Gareth M. ; Grovenor, Chris ; Durrell, John H.

  • Author_Institution
    Dept. of Mater. Sci. & Metall., Univ. of Cambridge, Cambridge, UK
  • Volume
    19
  • Issue
    3
  • fYear
    2009
  • fDate
    6/1/2009 12:00:00 AM
  • Firstpage
    3569
  • Lastpage
    3572
  • Abstract
    We report on a new technique to isolate grain boundaries (GBs) and single grains in YBa2Cu3O7-delta coated conductors using a focused ion beam microscope. The critical current density Jc of a GB measured for magnetic fields applied perpendicular to the film surface showed hysteretic behavior. For fields applied in-plane a very different angular dependence of Jc was found for a bridge patterned across a GB and a second one placed within a grain.
  • Keywords
    barium compounds; critical current density (superconductivity); grain boundaries; high-temperature superconductors; hysteresis; yttrium compounds; YBa2Cu3O7-delta; coated conductor; critical current density; focused ion beam microscope; hysteresis; isolated grain boundaries; Coated conductors; YBCO; grain boundaries;
  • fLanguage
    English
  • Journal_Title
    Applied Superconductivity, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1051-8223
  • Type

    jour

  • DOI
    10.1109/TASC.2009.2019667
  • Filename
    5153234
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1124175