Inhomogeneous magnetism in the doped kagome lattice of LaCuO2.66 (Articolo in rivista)

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Label
  • Inhomogeneous magnetism in the doped kagome lattice of LaCuO2.66 (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.87.214423 (literal)
Alternative label
  • Julien, M. -H. [ 1 ] ; Simonet V. [ 2,3 ] ; Canals B. [ 2,3 ] ; Ballou R. [ 2,3 ] ; Hassan A. K. [ 1 ] ; Affronte M. [ 4,5 ] ; Garlea V. O. [ 2,3,6 ] ; Darie C. [ 2,3 ] ; Bordet P. [ 2,3 ] (2013)
    Inhomogeneous magnetism in the doped kagome lattice of LaCuO2.66
    in Physical review. B, Condensed matter and materials physics; AMER CHEMICAL SOC, WASHINGTON (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Julien, M. -H. [ 1 ] ; Simonet V. [ 2,3 ] ; Canals B. [ 2,3 ] ; Ballou R. [ 2,3 ] ; Hassan A. K. [ 1 ] ; Affronte M. [ 4,5 ] ; Garlea V. O. [ 2,3,6 ] ; Darie C. [ 2,3 ] ; Bordet P. [ 2,3 ] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNRS UJF UPS INSA, Lab Natl Champs Magnet Intenses, F-38042 Grenoble 9, France [ 2 ] CNRS, Inst Neel, F-38042 Grenoble 9, France [ 3 ] Univ Grenoble 1, F-38042 Grenoble 9, France [ 4 ] Univ Modena & Reggio Emilia, CNR, NANO S3, I-41125 Modena, Italy [ 5 ] Univ Modena & Reggio Emilia, Dipartimento Fis, I-41125 Modena, Italy [ 6 ] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA (literal)
Titolo
  • Inhomogeneous magnetism in the doped kagome lattice of LaCuO2.66 (literal)
Abstract
  • The hole-doped kagome lattice of Cu2+ ions in LaCuO2.66 was investigated by nuclear quadrupole resonance, electron spin resonance, electrical resistivity, bulk magnetization, and specific-heat measurements. For temperatures above similar to 180 K, the spin and charge properties show an activated behavior suggestive of a narrow-gap semiconductor. At lower temperatures, the results indicate an insulating ground state which may or may not be charge ordered. While the frustrated spins in remaining patches of the original kagome lattice might not be directly detected here, the observation of coexisting nonmagnetic sites, free spins, and frozen moments reveals an intrinsically inhomogeneous magnetism. Numerical simulations of a 1/3-diluted kagome lattice rationalize this magnetic state in terms of a heterogeneous distribution of cluster sizes and morphologies near the site-percolation threshold (literal)
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