Nanoscale Effects on the ionic conductivity of highly doped bulk nanometric cerium oxide (Articolo in rivista)

Type
Label
  • Nanoscale Effects on the ionic conductivity of highly doped bulk nanometric cerium oxide (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Anselmi-Tamburini U., Maglia F., Chiodelli G., Tacca A., Spinolo G., Riello P., Bucella S., Munir Z.A. (2006)
    Nanoscale Effects on the ionic conductivity of highly doped bulk nanometric cerium oxide
    in Advanced functional materials (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Anselmi-Tamburini U., Maglia F., Chiodelli G., Tacca A., Spinolo G., Riello P., Bucella S., Munir Z.A. (literal)
Pagina inizio
  • 2363 (literal)
Pagina fine
  • 2368 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Nanoscale Effects on the ionic conductivity of highly doped bulk nanometric cerium oxide (literal)
Abstract
  • Nanometric ceria powders doped with 30 mol% samaria are consolidated by a high-pressure spark plasma sintering (HP-SPS)method to form > 99% dense samples with a crystallite size as small as 16.5 nm. A conductivity dependence on grain size was noted: when the grain size was less than 20 nm, only one semicircle in the AC impedance spectra was observed and was attributed to bulk conductivity. In contrast to previous observations on pure ceria, the disappearance of the grain-boundary blocking effect is not associated with mixed conductivity. With annealing and concomitant grain growth, the samples show the presence of a grain-boundary effect. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Prodotto
Autore CNR di
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it