Weak Ferromagnetic Fluctuations In GdSr2RuCu2O8 Compound (Articolo in rivista)

Type
Label
  • Weak Ferromagnetic Fluctuations In GdSr2RuCu2O8 Compound (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1142/S0217979203016303 (literal)
Alternative label
  • R. Cimberle, M. Cuoco, C. Noce, A.Vecchione, M. Gombos, C. Artini, S. Pace (2003)
    Weak Ferromagnetic Fluctuations In GdSr2RuCu2O8 Compound
    in International journal of modern physics b; World Scientific, Singapore (Singapore)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Cimberle, M. Cuoco, C. Noce, A.Vecchione, M. Gombos, C. Artini, S. Pace (literal)
Pagina inizio
  • 602 (literal)
Pagina fine
  • 607 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 17 (literal)
Rivista
Note
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMEM, Università di Salerno, Università di Genova, INFM (literal)
Titolo
  • Weak Ferromagnetic Fluctuations In GdSr2RuCu2O8 Compound (literal)
Abstract
  • It has been investigated the static magnetic response of the polycrystalline rutheno-cuprate oxide GdSr2RuCu2O8. The susceptibility ? shows an upturn at TC ~ 134 K which indicates the onset of a magnetic instability. Above that transition we have analyzed within a spin mode coupling theory the dependence of ?-1 in the form of ~ (T - TC)?. The main finding is that the value of the critical exponent ? can be understood as mainly due ferromagnetic fluctuations, assuming that the system is close to its quantum paramagnetic instability and that the magnetization comes primarily from itinerant moments, rather than moments localized to the atomic sites. (literal)
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