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Positive muon spectroscopy of R2Fe14B

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Abstract

Muon spin rotation (μSR) experiments were performed on polycrystalline samples of R2Fe14B in zero applied field. In all samples a single spin precession frequency was observed. In Nd2Fe14B and Ho2Fe14B pronounced anomalies showed up in the temperature dependence of the μSR frequencies at the spin reorientation temperatures of 150 K and 60 K, respectively. Our data can be explained with the assumption that only thec-axis component of the magnetization is sampled by the muon. We find a strong dependence of the local field on the magnetic moment of the rare earth ion. This is in accordance with calculations of the dipolar fields at the assumed muon stopping site.

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Authors and Affiliations

  1. Fakultät für Physik, Universität Konstanz, Postfach 5560, 7750, Konstanz, Germany

    Ch. Niedermayer, A. Golnik, E. Recknagel & A. Weidinger

  2. Centre d'Etudes Nucleaires DRF, 86X, 38401, Grenoble Cedex, France

    A. J. Yaouanc

  3. U.A. 1109, ENSPG, BP 46, 38402 St., Martin d'Heres Cedex, France

    Ph. L'Heritier

  4. Laboratoire de Cristallographie du CNRS, 166X, 38041, Grenoble Cedex, France

    D. Fruchart

  5. University of Connecticut, 06268, Storrs, CT, USA

    J. I. Budnick

  6. Philips Research Laboratories, 5600 MD, Eindhoven, The Netherlands

    K. H. J. Buschow

Authors
  1. Ch. Niedermayer
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  2. A. Golnik
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  3. E. Recknagel
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  4. A. Weidinger
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  5. A. J. Yaouanc
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  6. Ph. L'Heritier
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  7. D. Fruchart
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  8. J. I. Budnick
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  9. K. H. J. Buschow
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Niedermayer, C., Golnik, A., Recknagel, E. et al. Positive muon spectroscopy of R2Fe14B. Hyperfine Interact 64, 405–413 (1991). https://doi.org/10.1007/BF02396170

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  • DOI: https://doi.org/10.1007/BF02396170

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