Lead enrichment at the surface of lead zirconate titanate thin films (Articolo in rivista)

Type
Label
  • Lead enrichment at the surface of lead zirconate titanate thin films (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jeurceramsoc.2005.03.089 (literal)
Alternative label
  • Watts B.E. a; Leccabue F. a; Bocelli G. a; Padeletti G. b; Kaciulis S. b; Pandolfi L. b (2005)
    Lead enrichment at the surface of lead zirconate titanate thin films
    in Journal of the European Ceramic Society; Elsevier Science Ltd., Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Watts B.E. a; Leccabue F. a; Bocelli G. a; Padeletti G. b; Kaciulis S. b; Pandolfi L. b (literal)
Pagina inizio
  • 2495 (literal)
Pagina fine
  • 2498 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 25 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a CNR, Ist IMEM, I-43010 Parma, Italy; b CNR, ISMN, I-00016 Monterotondo, RM, Italy (literal)
Titolo
  • Lead enrichment at the surface of lead zirconate titanate thin films (literal)
Abstract
  • Ferroelectric thin films have been investigated intensely by many researchers over the past decade, but some important phenomena that influence the electrical properties have been overlooked. This work addresses the lead enrichment, which is observed on the surface of lead zirconate titanate films. The XPS compositional profiles of PZT films prepared using different thermal treatments are presented and correlated with the preparation conditions. The segregation profiles are explained in terms of a simple oxidation model that induces the diffusion of lead to the surface. The ionic diffusion also induces self-polarisation, commonly seen in ferroelectric films. The implications on the electrical properties of ferroelectric films, particularly, imprint of the polarisation state, are also discussed. (literal)
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