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Superconducting properties of ion beam modified YBCO microbridges

  • Materials, Junction Characterization and Modification
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Abstract

We prepared ion beam modified microbridges based on thin sputtered or laser ablated YBCO films on SrTiO3 substrates. The microbridges with a width of 10 μm were irradiated through slits in a 700 nm thick double layer resist mask. In our experiments we used O+ ions with an ion energy of 30 keV or 100 keV varying the dose between 1013 ions·cm−2 and 1014 ions·cm−2. We investigated the influence of film thickness and slit width on the superconducting properties of these junctions. We show the temperature dependence of the junctions properties on microwave radiation or external magnetic fields.

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Authors and Affiliations

  1. Institut für Festkörperphysik, Friedrich-Schiller-Universität Jena, Lessingstraße 8, D-07743, Jena, Germany

    F. Schmidl, L. Dörrer, S. Wunderlich, F. Machalett, S. Linzen, H. Schneidewind, N. v. Freyhold & P. Seidel

  2. Institut für Angewandte Physik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, D-07743, Jena, Germany

    U. Hübner & H. Schmidt

Authors
  1. F. Schmidl
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  2. L. Dörrer
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  3. S. Wunderlich
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  4. F. Machalett
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  5. U. Hübner
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  6. H. Schmidt
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  7. S. Linzen
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  8. H. Schneidewind
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  9. N. v. Freyhold
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  10. P. Seidel
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Schmidl, F., Dörrer, L., Wunderlich, S. et al. Superconducting properties of ion beam modified YBCO microbridges. J Low Temp Phys 106, 405–416 (1997). https://doi.org/10.1007/BF02399646

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  • DOI: https://doi.org/10.1007/BF02399646

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