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A new approach to the design of high-Tc superconductors: Metallised interlayers

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Abstract

We show from muon spin relaxation (μSR) studies on mercury HTS superconductors that a 50-fold increase in irreversibility field obtained by partial substitution of Re for Hg is due to metallisation of the Hg/Re layer. Induced superconductivity on this metallic layer doubles the overall superfluid density. This suggests a new approach to the design of high performance HTS materials: metallising one of the non-CuO2 interlayers and thereby greatly enhancing the superconducting properties.

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Authors and Affiliations

  1. The New Zealand Institute for Industrial Research, PO Box 31310, Lower Hutt, NewZealand

    J. L. Tallon

  2. Faculty of Physics, University of Konstanz, Konstanz, Germany

    C. Bernhard & Ch. Niedermayer

  3. Dept of Applied Chemistry, University of Tokyo, Bunkyo-ku, 113, Tokyo

    J. Shimoyama, S. Hahakura & K. Kishio

  4. Inst. for Chemical Research, Kyoto University, Uji, 611, Kyoto-fu, Japan

    K. Yamaura, Z. Hiroi & M. Takano

Authors
  1. J. L. Tallon
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  2. C. Bernhard
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  3. Ch. Niedermayer
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  4. J. Shimoyama
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  5. S. Hahakura
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  6. K. Yamaura
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  7. Z. Hiroi
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  8. M. Takano
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  9. K. Kishio
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Tallon, J.L., Bernhard, C., Niedermayer, C. et al. A new approach to the design of high-Tc superconductors: Metallised interlayers. J Low Temp Phys 105, 1379–1384 (1996). https://doi.org/10.1007/BF00753892

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  • DOI: https://doi.org/10.1007/BF00753892

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