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Response of Nb3Ge microbridges to microwave irradiation

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Zeitschrift für Physik B Condensed Matter

Abstract

We studied the response of Nb3Ge constant thickness microbridges to microwave irradiation in the frequency range of 0.5 to 70 GHz. The observed current-voltage characteristics exhibit sharp constant-voltage steps up to 19.5 K. At sufficiently high temperatures and frequencies an oscillatory dependence of the critical currentI 0 is observed which is not predicted by the vortex model but can be explained by pure Josephson behaviour. Series connected microbridges show phase-locking as long as their distance is less than the perpendicular penetration depth λ⊥.

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Authors and Affiliations

  1. Institut für Angewandte Physik, Justus-Liebig-Universität, Heinrich-Buff-Ring 16, D-6300, Giessen, Federal Republic of Germany

    M. Mück, H. Rogalla, B. David & C. Heiden

Authors
  1. M. Mück
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  2. H. Rogalla
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  3. B. David
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  4. C. Heiden
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Dedicated to Prof. Dr. H.E. Müser on the occasion of his 60th birthday

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Mück, M., Rogalla, H., David, B. et al. Response of Nb3Ge microbridges to microwave irradiation. Z. Physik B - Condensed Matter 61, 81–84 (1985). https://doi.org/10.1007/BF01308946

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  • DOI: https://doi.org/10.1007/BF01308946

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