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SPECIFIC FEATURES OF CRITICAL FIELDS OF INHOMOGENEOUS SUPERCONDUCTING FILMS.

[In Russian. / En russe.]

Author(s) : GLAZMAN L. I.

Type of article: Article

Summary

EXPERIMENTAL STUDIES ON THIN VANADIUM FILMS HAVE REVEALED ANOMALY IN THE TEMPERATURE DEPENDENCE OF THE UPPER CRITICAL FIELD, WHEN IT IS PARALLEL TO THE SAMPLE PLANE. AT CERTAIN TEMPERATURE, T, THE DEPENDENCE OF THE SQUARE OF H HAS A SHARP KINK. THE ANOMALOUS BEHAVIOUR CAN BE ACCOUNTED FOR ASSUMING THE FILM SEPARATION INTO2 PARALLEL LAYERS HAVING DIFFERENT PARAMETERS. AT TEMPERATURES ABOVE AND BELOW, T IS MAINLY DEPENDENT OF THE CHARACTERISTICS OF ONLY ONE LAYER. SUCH AN ANOMALOUS BEHAVIOUR IS ALSO OBSERVED IN SANDWICHES CONSISTING OF 2 IDENTICAL FILMS SEPARATED WITH A THIN DIELECTRIC INTERLAYER ; HOWEVER, THE TRANSITION FROM ONE LINEAR PORTION TO THE OTHER IS SMOOTH.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1989-0463
  • Languages: Russian
  • Source: Fiz. nizk. Temp. - vol. 14 - n. 6
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

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