Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems (Articolo in rivista)

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  • Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Moreschini, L; Dallera, C; Joyce, JJ; Sarrao, JL; Bauer, ED; Fritsch, V; Bobev, S; Carpene, E; Huotari, S; Vanko, G; Monaco, G; Lacovig, P; Panaccione, G; Fondacaro, A; Paolicelli, G; Torelli, P; Grioni, M (2007)
    Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Moreschini, L; Dallera, C; Joyce, JJ; Sarrao, JL; Bauer, ED; Fritsch, V; Bobev, S; Carpene, E; Huotari, S; Vanko, G; Monaco, G; Lacovig, P; Panaccione, G; Fondacaro, A; Paolicelli, G; Torelli, P; Grioni, M (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 75 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ecole Polytech Fed Lausanne, IPN, CH-1015 Lausanne, Switzerland; Politecn Milan, INFM, Dipartimento Fis, I-20133 Milan, Italy; Los Alamos Natl Lab, Los Alamos, NM 87545 USA; Los Alamos Natl Lab, F-38043 Grenoble, France; European Synchrotron Radiat Facil, F-38043 Grenoble, France; INFM, Lab TASC, Basovizza, Italy; Univ Roma 3, INFM, I-00146 Rome, Italy; Univ Roma 3, Dipartimento Fis, I-00146 Rome, Italy; Univ Paris 11, LURE, F-91898 Orsay, France (literal)
Titolo
  • Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems (literal)
Abstract
  • We exploited complementary synchrotron radiation spectroscopies to study the Yb 4f electronic configuration in three representative intermediate-valence materials: YbAl3, YbInCu4, and YbCu2Si2. High-resolution x-ray absorption (PFY-XAS), resonant inelastic x-ray scattering (RIXS), and hard-x-ray photoemission (HAXPES) data all show characteristic temperature-dependent changes of the Yb valence. For each material, the increments measured from low (20 K) to high (300 K) temperature by the different probes are quite similar. The estimated RIXS and XAS valences are consistently higher than the HAXPES values. We briefly discuss the possible origin of this discrepancy. (literal)
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