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The low temperature specific heat of a single crystal of La2CuO4+δ in magetic fields of 0, 2 and 4 Tesla

  • HITC—Transport, Thermodynamic Properties, Electron-Phonon Coupling
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Czechoslovak Journal of Physics Aims and scope

Abstract

A single crystal of La2CuO4 was made superconducting after treatment in a high pressure oxygen furnace. Measurements are presented of the low temperature heat capacity of the insulating crystal in zero field between 1K and 3K, and of the superconducting crystal in fields of 0, 2 and 4 Tesla applied parallel to the ab plane between 0.2K and 3K. A linear heat capacity contribution is observed for the crystal in both the insulating and superconducting states. This linear heat capacity contribution is larger in the superconducting state and is insensitive to the applied magnetic field.

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Authors and Affiliations

  1. School of Physical and Molecular Sciences, University of Sussex, BN1 9QH, Brighton, UK

    T. E. Hargreaves, D. F. Brewer, S. Chastin, A. Lappas, C. S. McMenamin, J. Osborne, K. Prassides & A. L. Thomson

  2. Clarendon Laboratory, University of Oxford, OX1 3PU, Oxford, UK

    C. Chen

  3. IRC in Superconductivity, Madingley Road, CB3 OHE, Cambridge, UK

    N. E. Hussey

Authors
  1. T. E. Hargreaves
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  2. D. F. Brewer
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  3. S. Chastin
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  4. C. Chen
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  5. N. E. Hussey
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  6. A. Lappas
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  7. C. S. McMenamin
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  8. J. Osborne
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  9. K. Prassides
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  10. A. L. Thomson
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Hargreaves, T.E., Brewer, D.F., Chastin, S. et al. The low temperature specific heat of a single crystal of La2CuO4+δ in magetic fields of 0, 2 and 4 Tesla. Czech J Phys 46 (Suppl 3), 1215–1216 (1996). https://doi.org/10.1007/BF02562722

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  • DOI: https://doi.org/10.1007/BF02562722

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