The zero-field magnetic ground state of EuC6 investigated by muon spectroscopy (Articolo in rivista)

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  • The zero-field magnetic ground state of EuC6 investigated by muon spectroscopy (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • G. Lamura a, T. Shiroka b, c, S. Cahend, H. Rida d, N. Emery e, J.-F. Marêché d, P. Lagrange d, C. Hérold d (2012)
    The zero-field magnetic ground state of EuC6 investigated by muon spectroscopy
    in Carbon
    (literal)
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  • G. Lamura a, T. Shiroka b, c, S. Cahend, H. Rida d, N. Emery e, J.-F. Marêché d, P. Lagrange d, C. Hérold d (literal)
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  • 3995 (literal)
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  • 4001 (literal)
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  • http://dx.doi.org/10.1016/j.carbon.2012.04.028 (literal)
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  • 50 (literal)
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  • 7 (literal)
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  • 11 (literal)
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  • a CNR-SPIN and Università di Genova, via Dodecaneso 33, I-16146 Genova, Italy b Laboratorium für Festkörperphysik, ETH-Hönggerberg, CH-8093 Zürich, Switzerland c Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland d Institut Jean Lamour, UMR 7198 CNRS, Université de Lorraine, B.P. 70239, 54506 Vandoeuvre-lès-Nancy cedex, France e ICMPE/GESMAT, UMR 7182, UPEC, CNRS, 94320 Thiais, France (literal)
Titolo
  • The zero-field magnetic ground state of EuC6 investigated by muon spectroscopy (literal)
Abstract
  • The magnetic ground state of EuC6, a first-stage graphite intercalation compound, was investigated by means of zero-field muon spectroscopy. Below the Néel antiferromagnetic temperature (42 K), the highly damped oscillations in the muon asymmetry could be modelled with a Bessel line shape, indicative of an incommensurate magnetic order. The internal magnetic field, as probed by the implanted muons, lies in the plane of the europium ions, has an average intensity of 150(22) mT, and seems to arise from a strong contact hyperfine interaction. The latter partially cancels out the dipolar contribution to the local field, in turn due to the localized Eu spins arranged in an antiferromagnetic triangular lattice (frustrated spin lattice) with negligible inter-layer couplings. (literal)
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