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Effect of Post-Annealing on Tc in Pb-Doped Bi-2223 Superconductors

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Advances in Superconductivity V

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Abstract

(Bi,Pb)-2223 superconductors with nominal composition of Bi1.85Pb0.35Sr2−xCa2+xCu3.1Oy (x=0 and 0.1) were synthesized. They are virtually single-phase and show Tc (mag.) around 109K~110K. By applying an encapsulation and low temperature post-annealing process, Tc increased to 115 K by SQUID measurement. From the resistivity, thermoelectric power measurements and the evolution of the lattice constants, it is suggested that the increases in Tc may due to the decreases in hole concentration.

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Author information

Authors and Affiliations

  1. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    Jie Wang, Mitsunobu Wakata, Satoshi Takano & Hisao Yamauchi

  2. Basic High Technology Laboratories, Sumitomo Electric Industries, Ltd., Osaka, 554, Japan

    Tetsuyuki Kaneko

Authors
  1. Jie Wang
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  2. Mitsunobu Wakata
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  3. Tetsuyuki Kaneko
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  4. Satoshi Takano
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  5. Hisao Yamauchi
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Editor information

Editors and Affiliations

  1. Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611, Japan

    Yoshichika Bando

  2. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    Hisao Yamauchi

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© 1993 Springer-Verlag Tokyo

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Wang, J., Wakata, M., Kaneko, T., Takano, S., Yamauchi, H. (1993). Effect of Post-Annealing on Tc in Pb-Doped Bi-2223 Superconductors. In: Bando, Y., Yamauchi, H. (eds) Advances in Superconductivity V. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68305-6_63

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  • DOI: https://doi.org/10.1007/978-4-431-68305-6_63

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68307-0

  • Online ISBN: 978-4-431-68305-6

  • eBook Packages: Springer Book Archive

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