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On the preparation of Nb3Sn-layers on monocrystalline Nb-substrates

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Abstract

Superconducting Nb3Sn cavities are prepared, using the standard technique, by exposing polycrystalline Nb cavities to Sn vapour at 1050°C for some hours. The influence of the niobium crystal orientation on the quality of the Nb3Sn layers is studied by microscope (optical and SEM) and AES. Without preanodization of the niobium singlecrystal substrates all layers are patchy, especially for (111)-and (531)-planes. With preanodization homogeneous dense layers are obtained independent of the niobium orientation. All layers are essentially free from C and O contaminations.

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Authors and Affiliations

  1. Research Laboratories, Siemens AG, D-8520, Erlangen, Fed. Rep. Germany

    B. Hillenbrand, Y. Uzel & K. Schnitzke

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  1. B. Hillenbrand
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  2. Y. Uzel
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  3. K. Schnitzke
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Additional information

This work has been supported under the technological program of the Federal Department of Research and Technology of the FRG.

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Hillenbrand, B., Uzel, Y. & Schnitzke, K. On the preparation of Nb3Sn-layers on monocrystalline Nb-substrates. Appl. Phys. 23, 237–240 (1980). https://doi.org/10.1007/BF00914905

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  • DOI: https://doi.org/10.1007/BF00914905

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