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Crystal field excitations in electron superconductors

  • International Conference On Superconductivity—II
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Abstract

We have measured the complete crystalline electric field (CEF) spectrum of Nd3+ in superconducting Nd1·85Ce0·15CuO4 and Nd2CuO3·7F0·3, and in the non-superconducting parent compound, Nd2CuO4, by neutron inelastic scattering. The best description of the ground-state excitations for both compounds is achieved by the addition of a molecular field parameter to the CEF hamiltonian that takes account of exchange interactions from Nd or Cu spin ordering.

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Authors and Affiliations

  1. Department of Physics, University of Warwick, CV4 7AL, Coventry, U.K.

    A T Boothroyd, S M Doyle, D McK Paul, D S Misra & R Osborn

  2. Rutherford Appleton Laboratory, OX11 0QX, Chilton, Didcot, Oxon, U.K.

    R Osborn

Authors
  1. A T Boothroyd
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  2. S M Doyle
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  3. D McK Paul
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  4. D S Misra
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  5. R Osborn
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Boothroyd, A.T., Doyle, S.M., McK Paul, D. et al. Crystal field excitations in electron superconductors. Bull. Mater. Sci. 14, 607–611 (1991). https://doi.org/10.1007/BF02744693

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  • DOI: https://doi.org/10.1007/BF02744693

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