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Flux Dynamics during Pulsed-Field Magnetization in R-Ba-Cu-O (R=Y, Sm) Bulk Superconductors

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Advances in Superconductivity XI

Abstract

The flux motion during the pulsed field-magnetization (PFM) process in the melt-processed Sm-Ba-Cu-O bulk superconductor was investigated using the pick-up coil technique in the temperature range 35–77 K. The magnetization ratio of the maximum trapped field obtained by the PFM over that by the field cooling was found to be low for Sm-Ba-Cu-O throughout the temperature range studied. Though the magnetic field penetrates into the center of the sample even at 35K when the applied field exceeds 5 T, the trapped flux shows a flux jump-like behavior and is substantially reduced within a few ms, at the center of the sample in the descending stage of the PFM process.

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References

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Authors and Affiliations

  1. Imra Material R&D Co., Ltd., 5-50 Hachiken-cho, Kariya, Aichi, 448-0021, Japan

    Y. Yanagi, Y. Itoh, M. Yoshikawa & T. Oka

  2. Department of Crystalline Materials Science, Nagoya University, Nagoya, 464-0814, Japan

    A. Mase, T. Hosokawa & U. Mizutani

  3. CIRSE, Nagoya University, Nagoya, 464-0814, Japan

    H. Ikuta

Authors
  1. Y. Yanagi
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  2. Y. Itoh
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  3. M. Yoshikawa
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  4. T. Oka
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  5. A. Mase
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  6. T. Hosokawa
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  7. H. Ikuta
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  8. U. Mizutani
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Editors and Affiliations

  1. Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo, 135-0062, Japan

    Naoki Koshizuka (Deputy Director General, Director, Division 1) & Setsuko Tajima (Director, Division 2) (Deputy Director General, Director, Division 1) &  (Director, Division 2)

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© 1999 Springer Japan

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Yanagi, Y. et al. (1999). Flux Dynamics during Pulsed-Field Magnetization in R-Ba-Cu-O (R=Y, Sm) Bulk Superconductors. In: Koshizuka, N., Tajima, S. (eds) Advances in Superconductivity XI. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66874-9_165

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  • DOI: https://doi.org/10.1007/978-4-431-66874-9_165

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-66876-3

  • Online ISBN: 978-4-431-66874-9

  • eBook Packages: Springer Book Archive

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