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Characterizing the insulator adjacent to the superconductor in Bi2Sr2-xLaxCuO6+δ (x = 0.3)

  • Solid State and Materials
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Abstract

The time-averaged and low-frequency noise transport properties were investigated in the vicinity of the superconductor-insulator transition for a Bi2Sr2-x La x CuO6+δ (x = 0.3) thin film. The results are consistent with a superconductor (metal) embedded in a strong insulator, the latter showing two-dimensional variable range hopping properties. The weak insulator behavior - if any - is attributed to the metallic inclusions only.

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Authors and Affiliations

  1. Laboratoire de Physique des Solides, CNRS, Université Paris-Sud, 91405, Orsay Cedex, France

    L. Fruchter, Z. Z. Li & H. Raffy

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  1. L. Fruchter
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  2. Z. Z. Li
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  3. H. Raffy
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Correspondence to H. Raffy.

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Fruchter, L., Li, Z.Z. & Raffy, H. Characterizing the insulator adjacent to the superconductor in Bi2Sr2-xLaxCuO6+δ (x = 0.3). Eur. Phys. J. B 65, 213–217 (2008). https://doi.org/10.1140/epjb/e2008-00352-1

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  • DOI: https://doi.org/10.1140/epjb/e2008-00352-1

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