Ac magnetic field screening by high-Tc superconductor films and single-crystals |
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| Authors: | T M Burbaev G A Kalyuzhnaya V A Kurbatov V S Nozdrin N A Penin |
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| Institution: | (1) P. N. Lebedev Physical Institute, Russian Academy of Sciences, 117924 Moscow, Russia |
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| Abstract: | A method is proposed to measure the screening efficiency of an ac magnetic field by superconducting films with the use of
a strip line as an ac magnetic field source capable of operating within a broad frequency range. The dependence of the efficiency
of ac magnetic field screening by YBCO films and single-crystal BiSrCaCuO on temperature and the frequency of magnetic field
oriented perpendicular to the sample plane has been studied in the 104–109-Hz range. This relation is shown to depend substantially on the technique used in the film fabrication.
Fiz. Tverd. Tela (St. Petersburg) 39, 228–230 (February 1997) |
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