Structural properties of Ba2RCu3O7 high-Tc superconductors

Y. Le Page, T. Siegrist, S. A. Sunshine, L. F. Schneemeyer, D. W. Murphy, S. M. Zahurak, J. V. Waszczak, W. R. McKinnon, J. M. Tarascon, G. W. Hull, L. H. Greene

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Abstract

The crystal chemistry of several Ba2RCu3O7 high-Tc superconductors (R=Y,Pr,Sm,Eu,Gd,Dy,Ho,Er,Tm) has been studied by x-ray diffraction on twinned crystals. All samples except the Pr compound show superconductivity around 90 K. From the variation of the interatomic distances with different rare-earth ions, we infer the presence of a [CuO2-BaO-CuO--BaO-CuO2] building unit.

Original languageEnglish
Pages (from-to)3617-3621
Number of pages5
JournalPhysical Review B
Volume36
Issue number7
DOIs
StatePublished - 1 Jan 1987

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    Le Page, Y., Siegrist, T., Sunshine, S. A., Schneemeyer, L. F., Murphy, D. W., Zahurak, S. M., Waszczak, J. V., McKinnon, W. R., Tarascon, J. M., Hull, G. W., & Greene, L. H. (1987). Structural properties of Ba2RCu3O7 high-Tc superconductors. Physical Review B, 36(7), 3617-3621. https://doi.org/10.1103/PhysRevB.36.3617