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Cation and anion disorder in HgBa2Can−1CunO2n+2+δ

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Abstract

Cu and C substitution for Hg in Hg-based cuprate superconductors is discussed. The large Hg Debye-Waller factor usually obtained from refinements based on diffraction data should be interpreted as an indication of carbon substitution for the Hg cations. This assumption is corroborated by HREM, powder x-ray anomalous dispersion, and powder neutron diffraction investigations.

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Authors and Affiliations

  1. Laboratoire de Cristallographie CNRS, BP 166, 38042, Grenoble cedex 09, France

    Massimo Marezio, Edgar T. Alexandre, Pierre Bordet, Jean-Jacques Capponi, Catherine Chaillout, Evgueni M. Kopnin & Sergio M. Loureiro

  2. AT&T Bell Laboratory, 600 Mountain Ave., 07974, Murray Hill, NJ, USA

    Massimo Marezio

  3. Institut Laue-Langevin, BP 156, 38042, Grenoble cedex 09, France

    Paolo G. Radaelli

  4. EMAT, University of Antwerp (RUCA), Groenenborglaan 171, B-2020, Antwerp, Belgium

    Gustaaf Van Tendeloo

Authors
  1. Massimo Marezio
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  2. Edgar T. Alexandre
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  3. Pierre Bordet
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  4. Jean-Jacques Capponi
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  5. Catherine Chaillout
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  6. Evgueni M. Kopnin
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  7. Sergio M. Loureiro
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  8. Paolo G. Radaelli
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  9. Gustaaf Van Tendeloo
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Marezio, M., Alexandre, E.T., Bordet, P. et al. Cation and anion disorder in HgBa2Can−1CunO2n+2+δ . J Supercond 8, 507–510 (1995). https://doi.org/10.1007/BF00722842

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  • DOI: https://doi.org/10.1007/BF00722842

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