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Peak effect in the magnetic field dependence of the transport critical-current density in high critical temperature superconducting ceramics.

Author(s) : MIU L., ALDICA G., HOROBIOWSKI M., et al.

Type of article: Article

Summary

The maximum observed in the magnetic field dependence of the transport critical-current density of high-critical temperature superconducting ceramics was analyzed. Transport critical current and magnetization measurements performed on bismuth(lead)-strontium-calcium-copper-oxide bulk sintered samples allowed the authors to conclude that such a maximum may result from the influence of demagnetization effects at low applied field values and an increase in the intergranular pinning at higher fields.

Details

  • Original title: Peak effect in the magnetic field dependence of the transport critical-current density in high critical temperature superconducting ceramics.
  • Record ID : 1993-0727
  • Languages: English
  • Source: J. Supercond. - vol. 4 - n. 6
  • Publication date: 1991/12
  • Document available for consultation in the library of the IIR headquarters only.

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