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High-T c superconductivity in the Bi-Sr-Ca-Cu-O system

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Zeitschrift für Physik B Condensed Matter

Abstract

Superconductivity with transitions near 80 K and 110 K has been observed in sintered samples of the system Bi−Ca−Sr−Cu−O. The samples were prepared from mixed powders of the oxides or carbonates of the metallic elements. It was found that the heat treatment has to be restricted to a narrow temperature range near 800 °C to obtain optimum samples with respect to superconductivity. The best samples show two transitions of equal height at 80 K and 110 K with onsets near 115 K as determined from resistivity.

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References

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Author notes

  1. B. C. Yang

    Present address: Metals, General Research Institute for Non-Ferrous, Beijing, People's Republic of China

  2. H. -C. Li

    Present address: Institute of Physics, Academia Sinica, Beijing, People's Republic of China

  3. X. X. Xi

    Present address: Department of Physics, Peking University, Beijing, People's Republic of China

Authors and Affiliations

  1. Institut für Nukleare Festkörperphysik, Kernforschungszentrum Karlsruhe, Postfach 3640, D-7500, Karlsruhe 1, Federal Republic of Germany

    H. -C. Li, X. X. Xi, G. Linker & J. Geerk

  2. Institut für Technische Physik, Kernforschungszentrum Karlsruhe, Postfach 3640, D-7500, Karlsruhe 1, Federal Republic of Germany

    B. C. Yang & M. Dietrich

Authors
  1. B. C. Yang
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  2. H. -C. Li
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  3. X. X. Xi
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  4. M. Dietrich
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  5. G. Linker
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  6. J. Geerk
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Yang, B.C., Li, H.C., Xi, X.X. et al. High-T c superconductivity in the Bi-Sr-Ca-Cu-O system. Z. Physik B - Condensed Matter 70, 275–277 (1988). https://doi.org/10.1007/BF01317232

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  • DOI: https://doi.org/10.1007/BF01317232

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