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  • Koblishka, M. R. (author)

Flux penetration into an artificially granular high-Tc superconductor

  • Article/chapterEnglish1999

Publisher, publication year, extent ...

  • 1999

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:91cd1d19-7474-4686-848c-0122dd5f61eb
  • https://doi.org/10.1103/PhysRevB.59.12114DOI
  • https://research.chalmers.se/publication/147532URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • A YBa2Cu3O7- thin film is patterned into a hexagonal close-packed lattice of disks (2r=50 m) which are touching each other at the circumferences in order to enable the flow of an intergranular current. Such a sample was suggested by Koblischka et al. [Appl. Phys. Lett. 70, 514 (1997)] as a model for a layered granular structure like in a (Pb,Bi)2Sr2Ca2Cu3O10+ (Bi-2223) tape. The magnetization measurements reveal an anomalous position of the low-field peak (central peak) similar to Bi-2223 tapes. Magneto-optic imaging is employed to visualize the local-field distributions. At low magnification, the flux patterns in the intergranular area between the disks are observed. The observations at high magnification reveal the flux penetration and pinning within the disks. It is shown that such samples may serve as model samples for granular high-Tc superconductors

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Pust, L. (author)
  • Galkin, A. (author)
  • Nalevka, P. (author)
  • Jirsa, M. (author)
  • Johansen, T. H. (author)
  • Bratsberg, H. (author)
  • Nilsson, Bengt,1954Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)beni (author)
  • Claeson, Tord,1938Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f4atc (author)
  • Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Physical Review B59, s. 12114-202469-99692469-9950

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