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.
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Fiz. Tverd. Tela (St. Petersburg) 39, 228–230 (February 1997)
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Burbaev, T.M., Kalyuzhnaya, G.A., Kurbatov, V.A. et al. Ac magnetic field screening by high-Tc superconductor films and single-crystals. Phys. Solid State 39, 200–202 (1997). https://doi.org/10.1134/1.1129806
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DOI: https://doi.org/10.1134/1.1129806