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Temperature and pressure dependence of the ordered magnetic U moment of USe

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Abstract.

In the U monochalcogenides, the magnetic properties are characterised by an interplay between localised, rare-earth-like magnetic moments and itinerant, electron-band-like magnetism due to hybridisation effects. Using neutron powder diffraction, we have measured the temperature dependence of the ordered magnetic U moments. The magnetic ordering below TC=176 K was found to be accompanied by a strong rhombohedral distortion of the NaCl-type lattice. The application of pressure below 1 GPa leads to a drastic reduction of the measured magnetic neutron intensity by about 40%, which is presumably caused by a domain reorientation associated with the rhombohedral distortion. Up to pressures of 7.4 GPa, no further significant change of magnetic intensity was observed.

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Authors and Affiliations

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

    T. Herrmannsdörfer, P. Fischer & T. Strässle

  2. Laboratoire Leon Brillouin, CEA Saclay, 91191 Gif sur Yvette Cedex, France, , , , , , FR

    I.N. Goncharenko

  3. Laboratory for Solid State Physics, ETH Zurich, 8093 Zurich, Switzerland, , , , , , CH

    K. Mattenberger & O. Vogt

Authors
  1. T. Herrmannsdörfer
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  2. P. Fischer
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  3. T. Strässle
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  4. I.N. Goncharenko
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  5. K. Mattenberger
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  6. O. Vogt
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Additional information

Received: 18 July 2001 / Accepted: 13 November 2001

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ID="*"Corresponding author. (Fax: +41-56/3102939, E-mail: Thilo.Herrmannsdoerfer@psi.ch)

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Herrmannsdörfer, T., Fischer, P., Strässle, T. et al. Temperature and pressure dependence of the ordered magnetic U moment of USe . Appl Phys A 74 (Suppl 1), s754–s756 (2002). https://doi.org/10.1007/s003390201578

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  • DOI: https://doi.org/10.1007/s003390201578

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