Orbital symmetry of Ba(Fe1-xCox)(2)As-2 superconductors probed with x-ray absorption spectroscopy (Articolo in rivista)

Type
Label
  • Orbital symmetry of Ba(Fe1-xCox)(2)As-2 superconductors probed with x-ray absorption spectroscopy (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.81.104518 (literal)
Alternative label
  • Cheney, C. Parks; Bondino, F.; Callcott, T. A.; Vilmercati, P.; Ederer, D.; Magnano, E.; Malvestuto, M.; Parmigiani, F.; Sefat, A. S.; McGuire, M. A.; Jin, R.; Sales, B. C.; Mandrus, D.; Singh, D. J.; Freeland, J. W.; Mannella, N. (2010)
    Orbital symmetry of Ba(Fe1-xCox)(2)As-2 superconductors probed with x-ray absorption spectroscopy
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cheney, C. Parks; Bondino, F.; Callcott, T. A.; Vilmercati, P.; Ederer, D.; Magnano, E.; Malvestuto, M.; Parmigiani, F.; Sefat, A. S.; McGuire, M. A.; Jin, R.; Sales, B. C.; Mandrus, D.; Singh, D. J.; Freeland, J. W.; Mannella, N. (literal)
Pagina inizio
  • 104518 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 81 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200, USA IOM CNR Laboratorio TASC, S.S. 14, km 163.5, I-34012 Trieste, Italy Department of Physics, Tulane University, New Orleans, Louisiana 70118, USA Sincrotrone Trieste S.C.p.A., Area Science Park, S.S. 14, km 163.5, I-34012 Trieste, Italy Dipartimento di Fisica, Università degli Studi di Trieste, I-34127 Trieste, Italy Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA Advance Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA (literal)
Titolo
  • Orbital symmetry of Ba(Fe1-xCox)(2)As-2 superconductors probed with x-ray absorption spectroscopy (literal)
Abstract
  • The orbital symmetries of electron-doped iron-arsenide superconductors Ba?Fe1-xCox?2As2 have been measured with x-ray absorption spectroscopy. The data reveal signatures of Fe d electron itinerancy, weak electronic correlations, and a high degree of Fe-As hybridization related to the bonding topology of the Fe dxz+yz states, which are found to contribute substantially at the Fermi level. The energies and detailed orbital character of Fe and As derived unoccupied s and d states are found to be in remarkably good agreement with the predictions of standard density-functional theory. (literal)
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