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Crystal-field interactions in SmBa2Cu3O7−x

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

Abstract

The specific heat of single-crystalline superconducting SmBa2Cu3O7−x shows a broad Schottky-type anomaly at 1 K K due to the splitting of the Kramers-doublet ground-state. The results have been analyzed within the crystal-electricfield approach. A full set of CEF parameters is proposed which reproduces the level scheme obtained by inelasticneutron-scattering studies and provides a good agreement with specific-heat data, especially in applied magnetic field.

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Authors and Affiliations

  1. Inst. of Physics, Pedagogical Univ., 30-084, Kraków

    Nhu-Tarnwska H. Kim-Ngan & Ryszard J. Radwański

  2. Center for Solid State Physics, 31-150, Kraków, Poland

    Nhu-Tarnwska H. Kim-Ngan

  3. Solid State Physics Dept., Academy of Mining and Metallurgy, 30-059, Kraków, Poland

    Zbigniew Tarnawski

  4. Van der Waals-Zeeman Laboratorium, Universiteit van Amsterdam, 1018 XE, Amsterdam, Netherlands

    Jaap J. M. Franse

Authors
  1. Nhu-Tarnwska H. Kim-Ngan
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  2. Zbigniew Tarnawski
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  3. Ryszard J. Radwański
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  4. Jaap J. M. Franse
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Kim-Ngan, NT.H., Tarnawski, Z., Radwański, R.J. et al. Crystal-field interactions in SmBa2Cu3O7−x . Czech J Phys 46 (Suppl 3), 1227–1228 (1996). https://doi.org/10.1007/BF02562728

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  • DOI: https://doi.org/10.1007/BF02562728

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