• DocumentCode
    961645
  • Title

    Fluxoid pinning in bulk Niobium by voids produced during neutron irradiation

  • Author

    Koch, C.C. ; Freyhardt, H.C. ; Scarbrough, J.O.

  • Author_Institution
    IEEE TMAG
  • Volume
    13
  • Issue
    1
  • fYear
    1977
  • fDate
    1/1/1977 12:00:00 AM
  • Firstpage
    828
  • Lastpage
    831
  • Abstract
    Fluxoid pinning due to voids has been studied in niobium irradiated at temperatures from 460 to 1080°C. Tcdecreased slightly and Hc2increased with irradiation temperature indicating possible O2contamination. The Jcvs H behavior was more complex, with maximum Jcvalues obtained in the samples irradiated at 790 and 940°C. With the measured superconducting parameters, and data on void size and distribution, our results were quantitatively compared with expressions for void pinning using the statistical theory of Labusch. Of particular interest in this study was the sample irradiated at 790°C which has an ordered void super-lattice.
  • Keywords
    Neutron radiation effects; Superconducting device radiation effects; Superconducting materials; Critical current density; Force measurement; Geometry; Lattices; Microstructure; Neutrons; Niobium; Size measurement; Superconductivity; Volume measurement;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/TMAG.1977.1059381
  • Filename
    1059381
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=961645