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Transport critical currents in superfine-grained high-temperature superconducting materials.

[In Russian. / En russe.]

Author(s) : KRASILNIHOV A. S., MAMSUROVA L. G., TRUSEVICH N. G., et al.

Type of article: Article

Summary

The analysis of the magnetization curves gives the information on magnitudes, field and temperature dependences of the transport critical currents of the YBCO(7-) type high-temperature superconducting ceramics possessing different degrees of dispersion (the grain size varied from about 1 to 10 micrometers). The measurements show that the fine-grained superconductors prepared by the preliminary mechanical activation have the critical currents with an order of magnitude higher than those in samples prepared by the conventional ceramic technique.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1993-0690
  • Languages: Russian
  • Source: Fiz. nizk. Temp. - vol. 18 - n. 3
  • Publication date: 1992
  • Document available for consultation in the library of the IIR headquarters only.

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