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Neutron crystal-field spectroscopy of RNi 112 B2C (R = Ho, Er, Tm)

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Zeitschrift für Physik B Condensed Matter

Abstract

Inelastic neutron scattering experiments of the crystal-field (CEF) splitting of the R3+ ions (R = Ho, Er, Tm) in the superconductor RNi 112 B2C have been performed in the paramagnetic as well as in the magnetically ordered state in order to deduce the CEF parameters which in turn determine the thermodynamic magnetic properties of these systems. The calculated ordered magnetic moments are in agreement with magnetic neutron diffraction results, i.e. both the easy axis and the size of the zero-field moments are correctly reproduced. In addition, the entropy involved in the magnetic ordering obtained from specific heat measurements is in correspondence with the number of low-lying CEF states observed in this study. Our CEF parameter set also reproduces both the behavior and the anisotropy in M/H measured for single crystals.

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Author notes

  1. S. Rosenkranz

    Present address: Laboratory for Neutron Scattering, ETH Zurich & PSI, CH-5232, Villigen PSI, Switzerland

  2. M. Buchgeister

    Present address: Abt. Medizinische Physik, Radiologische Univ.-Klinik Tübingen, D-72076, Tübingen, Germany

Authors and Affiliations

  1. Laboratory for Neutron Scattering, ETH Zurich & Paul-Scherrer-Institut, CH-5232, Villigen PSI, Switzerland

    U. Gasser, P. Allenspach, F. Fauth, W. Henggeler, J. Mesot & A. Furrer

  2. ISIS facility, Rutherford Appleton Laboratory, Didcot, Oxon, UK

    S. Rosenkranz

  3. Neutron Scattering Center, Hahn-Meitner-Institut, D-14109, Berlin, Germany

    P. Vorderwisch

  4. Institut für Festkörper- und Werkstofforschung Dresden e.V., Abt. 13, D-01171, Dresden, Germany

    M. Buchgeister

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  1. U. Gasser
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Gasser, U., Allenspach, P., Fauth, F. et al. Neutron crystal-field spectroscopy of RNi 112 B2C (R = Ho, Er, Tm). Z. Phys. B 101, 345–352 (1997). https://doi.org/10.1007/s002570050218

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  • DOI: https://doi.org/10.1007/s002570050218

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