Experimental study of physical properties in the complex magnetic phase diagram of Ce(Rh1xRux)3B2

St. Berger, A. Galatanu, G. Hilscher, H. Michor, Ch. Paul, E. Bauer, P. Rogl, M. Gómez- Berisso, P. Pedrazzini, J. G. Sereni, J. P. Kappler, A. Rogalev, S. Matar, F. Weill, B. Chevalier, and J. Etourneau
Phys. Rev. B 64, 134404 – Published 29 August 2001
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Abstract

We report on a series of structural, magnetic, and thermodynamic measurements, a study of transport properties and x-ray absorption edge spectroscopy on Ce(Rh1xRux)3B2. These investigations evidence that in addition to the already established ferromagnetic range for x<~0.06, a complex antiferromagnetic structure exists for concentrations 0.1<~x<~0.35. The behavior in the latter regime is dominated by an extraordinary strong intersite coupling; however, the magnetic moments involved appear to be very small. At the phase boundary to the paramagnetic regime (x0.4), significant deviations from a Fermi-liquid behavior occur.

  • Received 20 December 2000

DOI:https://doi.org/10.1103/PhysRevB.64.134404

©2001 American Physical Society

Authors & Affiliations

St. Berger, A. Galatanu, G. Hilscher, H. Michor, Ch. Paul, and E. Bauer

  • Institut für Experimentalphysik Technische Universität Wien, A-1040 Wien, Austria

P. Rogl

  • Institut für Physikalische Chemie, Universität Wien, A-1090 Wien, Austria

M. Gómez- Berisso, P. Pedrazzini, and J. G. Sereni

  • Low Temperature Div., Centro Atomico Bariloche (CNEA), Conicet, 8400 S.C. de Bariloche, Argentina

J. P. Kappler

  • IPCM, Universite de Strasbourg, Strasbourg, France

A. Rogalev

  • European Synchrotron Radiation Facility, Boîte Postale 220, 38043 Grenoble, France

S. Matar, F. Weill, B. Chevalier, and J. Etourneau

  • ICMCB-CNRS UPR9048, Université Bordeaux I, Avenue du Dr. Albert Schweitzer, F-33608 Pessac Cedex, France

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Issue

Vol. 64, Iss. 13 — 1 October 2001

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