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Phase Instability at the Maximum Tc in Oxide Superconductors: Phase Separation in La2CuO4+x, Nd2−xCexCuO4, and La2−xSrxCuO4

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Advances in Superconductivity III

Abstract

Observation of similar behavior in three different superconducting oxides suggests that the maximum Tc is limited by phase instability. These conclusions are based on previously published neutron powder diffraction data for La2CuO4+x and Nd2−XCexCuO4 and new data for La2−xSrxCuO4 which show a phase separated region for compositions adjacent to that which produces the highest Tc.

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Authors and Affiliations

  1. Materials Science Division, Argonne National Laboratory, Argonne, IL, 60439, USA

    J. D. Jorgensen, B. Dabrowski, D. R. Richards & D. G. Hinks

  2. Science and Technology Center for Superconductivity, Argonne National Laboratory, Argonne, IL, 60439, USA

    P. Lightfoot & Shiyou Pei

  3. Chemical Crystallography Laboratory, University of Oxford, Oxford, UK

    P. Lightfoot

  4. Northern Illinois University, DeKalb, IL, 60115, USA

    B. Dabrowski

Authors
  1. J. D. Jorgensen
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  2. P. Lightfoot
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  3. Shiyou Pei
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  4. B. Dabrowski
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  5. D. R. Richards
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  6. D. G. Hinks
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Editor information

Editors and Affiliations

  1. Electrotechnical Laboratory, Umezono, Tsukuba 305, Japan

    Koji Kajimura

  2. School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464, Japan

    Hisao Hayakawa

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© 1991 Springer-Verlag Tokyo

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Jorgensen, J.D., Lightfoot, P., Pei, S., Dabrowski, B., Richards, D.R., Hinks, D.G. (1991). Phase Instability at the Maximum Tc in Oxide Superconductors: Phase Separation in La2CuO4+x, Nd2−xCexCuO4, and La2−xSrxCuO4 . In: Kajimura, K., Hayakawa, H. (eds) Advances in Superconductivity III. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68141-0_74

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  • DOI: https://doi.org/10.1007/978-4-431-68141-0_74

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68143-4

  • Online ISBN: 978-4-431-68141-0

  • eBook Packages: Springer Book Archive

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