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Dynamics of the magnetization in the heavy fermion system CeCu6

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Zeitschrift für Physik B Condensed Matter

Abstract

We have studied CeCu6 by inelastic neutron scattering. We found both quasielastic and also inelastic transitions, which we interpret as residual crystal field transitions. The quasielastic linewidth is a strongly nonlinear function of temperature, with approximately ΓQE=5.0 meV at 300 K, with a crossover ΓQE=kT at about 13 K and with a residual value of ΓQE=(0)=0.50 meV forT=0 K. Below 5 K the quasielastic intensityI QE decreases linearly with temperature. χstαI QE/T is in good agreement with direct measurements of the static susceptibility. The data are fully consistent with a nonordering groundstate of CeCu6.

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  1. U. Walter

    Present address: Materials Science and Technology Division, Argonne National Laboratory, 60439, Argonne, IL, USA

Authors and Affiliations

  1. II. Physikalisches Institut, Universität zu Köln, Zülpicher Strasse 77, D-5000, Köln 41, Federal Republic of Germany

    U. Walter & D. Wohlleben

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

    Z. Fisk

Authors
  1. U. Walter
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  2. D. Wohlleben
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  3. Z. Fisk
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Walter, U., Wohlleben, D. & Fisk, Z. Dynamics of the magnetization in the heavy fermion system CeCu6 . Z. Physik B - Condensed Matter 62, 325–330 (1986). https://doi.org/10.1007/BF01313454

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