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Microstructure and Critical Current Property in Pb-Doped BiSrCaCuO Bulk Superconductors

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Advances in Superconductivity

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Abstract

Highly oriented microstructure in the (Bi,Pb)-Sr-Ca-Cu-0 bulk samples has been obtained by modified powder method. Disk-shaped samples consisting of layered grains with the c-axis of the crystal normal to the disk-surface were prepared by applying an intermediate pressing between the sintering heat treatments. Enhancement in a formation rate of the high-Tc phase and a remarkable improvement in the critical current density have been achieved by this method. A high J value up to 700 A/cm2 at 77 K in zero magnetic field was obtained although it decreased rapidly with application of a small magnetic field less than 100 Oe. Results of the magnetization measurements are also presented.

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References

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Author information

Authors and Affiliations

  1. Tsukuba Laboratories, National Research Institute for Metals, 1-2-1, Sengen, Tsukuba, 305, Japan

    T. Asano, Y. Tanaka, M. Fukutomi & H. Maeda

  2. Hiratsuka Research Laboratory, Sumitomo Heavy Industries, Ltd., 63-30, Yuhigaoka, Hiratsuka, 254, Japan

    K. Jikihara

  3. Central Research Laboratory, Mitsui Mining & Smelting Co., Ltd., Ageo, Saitama, 362, Japan

    J. Machida

Authors
  1. T. Asano
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  2. Y. Tanaka
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  3. M. Fukutomi
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  4. K. Jikihara
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  5. J. Machida
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  6. H. Maeda
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Editor information

Editors and Affiliations

  1. Department of Industrial Chemistry, The University of Tokyo, Tokyo, 113, Japan

    Koichi Kitazawa

  2. Department of Physics, Kyoto University, Kyoto, 606, Japan

    Takehiko Ishiguro

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© 1989 Springer Japan

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Asano, T., Tanaka, Y., Fukutomi, M., Jikihara, K., Machida, J., Maeda, H. (1989). Microstructure and Critical Current Property in Pb-Doped BiSrCaCuO Bulk Superconductors. In: Kitazawa, K., Ishiguro, T. (eds) Advances in Superconductivity. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68084-0_151

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  • DOI: https://doi.org/10.1007/978-4-431-68084-0_151

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68086-4

  • Online ISBN: 978-4-431-68084-0

  • eBook Packages: Springer Book Archive

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