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Magnetic properties and antiferromagnetic Cu ordering in Pr2CuO4

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Zeitschrift für Physik B Condensed Matter

Abstract

Bulk-magnetisation measurements and neutron-scattering experiments were performed both on a polycrystalline sample and on a single-crystal of Pr2CuO4 in the temperature range from 1.5 to 300 K. Pr2CuO4 crystallizes with theT′ (Nd2CuO4)-type structure. We observed antiferromagnetic ordering of the Cu moments belowT N =(190±2) K in a single crystal and belowT N =(250±10)K in powder material. The magnetic unit cell dimensions area m =2a o ,c m =c o ;the Cu moments are oriented in the basal plane with a magnetic saturation moment of μCu=(0.45±0.12)μ B . Pr3+ does not order magnetically above 1.5K due to its crystal-field induced singlet ground state as verified by inelastic neutron scattering.

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Author notes

  1. B. Rupp

    Present address: Lawrence Livermore National Laboratory, University of California, 94550, Livermore, CA, USA

Authors and Affiliations

  1. Labor für Neutronenstreuung, Eidgenössische Technische Hochschule Zürich, CH-5234, Villigen, Switzerland

    P. Allenspach, P. Fischer & A. Furrer

  2. Los Alamos National Laboratory, 87545, Los Alamos, New Mexico, USA

    S. -W. Choeng & Z. Fisk

  3. Laboratorium für Festkörperphysik, ETH Hönggerberg, CH-8093, Zürich, Switzerland

    A. Dommann & H. R. Ott

  4. Labor für Festkörperforschung, Paul Scherrer Institut, CH-5234, Villigen, Switzerland

    H. R. Ott & B. Rupp

Authors
  1. P. Allenspach
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  2. S. -W. Choeng
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  3. A. Dommann
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  4. P. Fischer
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  5. Z. Fisk
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  6. A. Furrer
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  7. H. R. Ott
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  8. B. Rupp
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Allenspach, P., Choeng, S.W., Dommann, A. et al. Magnetic properties and antiferromagnetic Cu ordering in Pr2CuO4 . Z. Physik B - Condensed Matter 77, 185–191 (1989). https://doi.org/10.1007/BF01313661

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  • DOI: https://doi.org/10.1007/BF01313661

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