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The noise characteristics of YBCO films with strong pinning

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Abstract

The noise characteristics of YBa2Cu3O7−x films prepared by the laser ablation technique on SrTiO3 substrates were studied. The epitaxial YBCO films possess a perfect structure and are characterized by a narrow superconducting transition, strong pinning, and a very small flicker noise. In the normal state, the 1/f noise increases with the dislocation density. The minimum noise level with a Hooge parameter of (2–3)×10− 2 was observed at a disc location density of 8–12 μm−2.

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Authors and Affiliations

  1. Vavilov Optical Institute, State Scientific Center of the Russian Federation, St. Petersburg, 190164, Russia

    I. A. Khrebtov, A. D. Tkachenko & K. V. Ivanov

  2. Vrije University, Amsterdam, Netherlands

    B. Dam, F. E. Klaassen & J. M. Huijbregtse

Authors
  1. I. A. Khrebtov
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  2. A. D. Tkachenko
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  3. K. V. Ivanov
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  4. B. Dam
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  5. F. E. Klaassen
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  6. J. M. Huijbregtse
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 26, No. 24, 2000, pp. 13–18.

Original Russian Text Copyright © 2000 by Khrebtov, Tkachenko, Ivanov, Dam, Klaassen, Huijbregtse.

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Khrebtov, I.A., Tkachenko, A.D., Ivanov, K.V. et al. The noise characteristics of YBCO films with strong pinning. Tech. Phys. Lett. 26, 1078–1080 (2000). https://doi.org/10.1134/1.1337259

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  • DOI: https://doi.org/10.1134/1.1337259

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