Rare Earth doped ceria: a combined X-ray and neutron pair distribution function study (Articolo in rivista)

Type
Label
  • Rare Earth doped ceria: a combined X-ray and neutron pair distribution function study (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1524/zkri.2012.1493 (literal)
Alternative label
  • Coduri, Mauro; Brunelli, Michela; Scavini, Marco; Allieta, Mattia; Masala, Paolo; Capogna, Lucia; Fischer, Henry E.; Ferrero, Claudio (2012)
    Rare Earth doped ceria: a combined X-ray and neutron pair distribution function study
    in Zeitschrift für Kristallographie
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Coduri, Mauro; Brunelli, Michela; Scavini, Marco; Allieta, Mattia; Masala, Paolo; Capogna, Lucia; Fischer, Henry E.; Ferrero, Claudio (literal)
Pagina inizio
  • 272 (literal)
Pagina fine
  • 279 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 227 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute Laue Langevin; University of Milan; OGG IOM CNR Grenoble; European Synchrotron Radiat Facil (literal)
Titolo
  • Rare Earth doped ceria: a combined X-ray and neutron pair distribution function study (literal)
Abstract
  • Rare Earth doped ceria materials (Ce1-xRExO2-x/2) are widely studied for their application in solid oxide fuel cell devices. In this work, RE(Yb, Y, Nd, La)-doped ceria samples at constant (x = 0.25) doping rate were subjected to a combined synchrotron radiation and neutron powder diffraction study. The dopants were chosen in order to cover a wide range of dopant-ionic radii. The effect of doping on the average structure is investigated using conventional Rietveld analysis, while the Pair Distribution Function technique is used to explore the spatial extent of disorder as well as the local structure. Two models for mapping the local structure, in terms of oxygen relaxation and nano-phase separation, are presented. (literal)
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