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Effect of nitrogen on some properties of vapor-deposited Nb3Sn

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Measurements of critical currentsI c, transition temperaturesT c, as well as transmission electron microscopy, scanning electron microscopy and X-ray analysis have established a correlation between critical currentI c, the tape heating temperature during deposition, and the presence of a fine dispersion of precipitates. As the tape heating current (temperature) increased from 3 to 5 Amps,I c increased from 20 to 430 Amps/3 mm tape width at 50 kG. A fine precipitate of the Nb2N phase was observed for highest tape heating temperatures. It is concluded that the precipitate particles may act as flux-pinning centers in the Nb3Sn layer.

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Authors and Affiliations

  1. Electrotecknical Institute, Slovak Acad. Sci., Bratislava, Dúbravská cesta, 809 32, Bratislava, Czechoslovakia

    D. Čabelka, V. Černuško & M. Jergel

  2. Institute of Metallic Materials, Slovak Acad. Sci., Bratislava

    J. Ivan

Authors
  1. D. Čabelka
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  2. V. Černuško
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  3. M. Jergel
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  4. J. Ivan
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Čabelka, D., Černuško, V., Jergel, M. et al. Effect of nitrogen on some properties of vapor-deposited Nb3Sn. Czech J Phys 28, 338–342 (1978). https://doi.org/10.1007/BF01597222

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  • DOI: https://doi.org/10.1007/BF01597222

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