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Screening properties of unhomogeneous superconducting YBCO films in magnetic field.

[In Russian. / En russe.]

Author(s) : VITKALOV S. A.

Type of article: Article

Summary

The model of an unhomogeneous superconductor is proposed. The magnetic field dependence for strongly unhomogeneous systems is stable with respect to the details of sample microstructure and is determined by the maximum size of shunting loops being much larger than the grain sizes. A comparison is performed between the model and results of measuring variation of magnetic field dependence of the film YBCO screening with separating the sample into portions of size, the existence of size shunting loops being shown directly. This size increases as the temperature tends to critical temperature.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1994-2762
  • Languages: Russian
  • Source: Z. eksp. teor. Fiz. - vol. 103 - n. 4
  • Publication date: 1993/04
  • Document available for consultation in the library of the IIR headquarters only.

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