Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO0.89F0.11 Iron-Oxypnictide Superconductors (Articolo in rivista)

Type
Label
  • Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO0.89F0.11 Iron-Oxypnictide Superconductors (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bondino, F; Magnano, E; Malvestuto, M; Parmigiani, F; McGuire, MA; Sefat, AS; Sales, BC; Jin, R; Mandrus, D; Plummer, EW; Singh, DJ; Mannella, N (2008)
    Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO0.89F0.11 Iron-Oxypnictide Superconductors
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bondino, F; Magnano, E; Malvestuto, M; Parmigiani, F; McGuire, MA; Sefat, AS; Sales, BC; Jin, R; Mandrus, D; Plummer, EW; Singh, DJ; Mannella, N (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Jin, R.; Plummer, E. W.; Mannella, N.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA; [Bondino, F.; Magnano, E.; Parmigiani, F.] CNR INFM, Lab Nazl TASC, I-34012 Trieste, Italy; [Malvestuto, M.] Sincrotrone Trieste SCpA, I-34012 Trieste, Italy; [Parmigiani, F.] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy; [McGuire, M. A.; Sefat, A. S.; Sales, B. C.; Jin, R.; Mandrus, D.; Singh, D. J.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA (literal)
Titolo
  • Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO0.89F0.11 Iron-Oxypnictide Superconductors (literal)
Abstract
  • The electronic structure in the normal state of CeFeAsO0.89F0.11 oxypnictide superconductors has been investigated with x-ray absorption and photoemission spectroscopy. All of the data exhibit signatures of Fe d-electron itinerancy. Exchange multiplets appearing in the Fe 3s core level indicate the presence of itinerant spin fluctuations. These findings suggest that the underlying physics and the origin of superconductivity in these materials are likely to be quite different from those of the cuprate high-temperature superconductors. These materials provide opportunities for elucidating the role of magnetic fluctuations in high-temperature superconductivity. (literal)
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