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RF properties of superconducting vanadium

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Zeitschrift für Physik B Condensed Matter

Abstract

Q values of a superconducting vanadium cavity in theT E 011 mode at 9.6 GHz were measured to determine the residual surface resistanceR 0 and the reduced energy gap 2Δ(0)/kT c with respect to different surface treatments such as electropolishing, oxipolishing and anodizing. The residual surface resistance was found to be lowest for the oxipolished cavity, corresponding to a residualQ of 2×108 at 1.2 K. Independent of the surface treatment the reduced energy-gap value amounted to 3.52±0.1. The influence of different vanadium oxides on the rf properties of superconducting vanadium was investigated.

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Authors and Affiliations

  1. Fakultät für Physik der Universität, Hermann-Herder-Strasse 3, D-7800, Freiburg, Federal Republic of Germany

    R. Borst, T. Dreyer, N. Schröder, M. Stallmann & H. E. Stier

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  1. R. Borst
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  2. T. Dreyer
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  3. N. Schröder
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  4. M. Stallmann
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  5. H. E. Stier
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Borst, R., Dreyer, T., Schröder, N. et al. RF properties of superconducting vanadium. Z. Physik B - Condensed Matter 42, 205–208 (1981). https://doi.org/10.1007/BF01422024

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  • DOI: https://doi.org/10.1007/BF01422024

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