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Irreversible Magnetic Properties of Ceramic Hgba2Ca2Cu3O8 at Very High Pulsed Magnetic Fields

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Abstract

The magnetic properties of ceramic HgBa2Ca2Cu3O8 have been investigated using pulsed magnetic fields up to 50 tesla. The irreversibility line H irr (T) and the magnetic critical current J c,m (H,T) have been extracted from the high field hysteresis loops. Irreversibility fields exceed available fields at temperatures below 15 K. The magnetic critical current J c,m is strongly dependent on the granular structure of the ceramic superconductor. This is reflected in the moderate value of the critical current density and its significant field dependence.

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REFERENCES

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Authors and Affiliations

  1. Laboratorium voor Vaste-Stoffysica en Magnetisme, Celestijnenlaan 200 D, B-3001, Leuven, Belgium

    L. Trappeniers, J. Vanacken, K. Rosseel, W. Boon, F. Herlach, V.V. Moshchalkov & Y. Bruynseraede

  2. Dept. of Materials & Interfaces, Weizmann Institute of Science, Rehovot, Israel

    S. Reich

  3. Instituut voor Kern-en Stralingsfysica, B-3001, Leuven, Belgium

    J. Meersschaut

Authors
  1. L. Trappeniers
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  2. J. Vanacken
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  3. K. Rosseel
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  4. S. Reich
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  5. J. Meersschaut
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  6. W. Boon
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  7. F. Herlach
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  8. V.V. Moshchalkov
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  9. Y. Bruynseraede
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Trappeniers, L., Vanacken, J., Rosseel, K. et al. Irreversible Magnetic Properties of Ceramic Hgba2Ca2Cu3O8 at Very High Pulsed Magnetic Fields. Journal of Superconductivity 11, 35–36 (1998). https://doi.org/10.1023/A:1022613425059

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  • DOI: https://doi.org/10.1023/A:1022613425059

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