Silver nanostructures on a c(4x2)-NiOx/Pd(100) monolayer (Articolo in rivista)

Type
Label
  • Silver nanostructures on a c(4x2)-NiOx/Pd(100) monolayer (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Agnoli, S; Sambi, M; Rizzi, GA; Parteder, G; Surnev, S; Netzer, FP; Granozzi, G (2008)
    Silver nanostructures on a c(4x2)-NiOx/Pd(100) monolayer
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Agnoli, S; Sambi, M; Rizzi, GA; Parteder, G; Surnev, S; Netzer, FP; Granozzi, G (literal)
Pagina inizio
  • 499 (literal)
Pagina fine
  • 505 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 602 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Agnoli, S.; Sambi, M.; Rizzi, G. A.; Granozzi, G.] Univ Padua, Dipartimento Sci Chim, INSTM, Padua, Italy; [Agnoli, S.; Sambi, M.; Rizzi, G. A.; Granozzi, G.] Univ Padua, INFM, Res Unit, Padua, Italy; [Parteder, G.; Surnev, S.; Netzer, F. P.] Karl Franzens Univ Graz, Inst Phys Oberflachen & Grenzflachenphys, A-8010 Graz, Austria (literal)
Titolo
  • Silver nanostructures on a c(4x2)-NiOx/Pd(100) monolayer (literal)
Abstract
  • The growth, morphology and epitaxial relationship of Ag nanostructures deposited onto the c(4 x 2)-NiOx/Pd(1 0 0) surface have been investigated by photoemission (both core and valence levels), scanning tunneling microscopy and angle-scanned photoelectron diffraction. Small Ag nanoparticles are obtained on the terraces, whereas the tendency of Ag to decorate the step edges can lead to the formation of extended nanowire-like features. The Ag nanoparticles adopt a fcc structure epitaxially related to the substrate according to the following relationship: Ag(1 0 0)[0 0 1]/Pd(1 0 0)[0 0 1], while by means of STM we have found that the shape of the islands is typically rectangular with the edges running along the [0 1 1] directions. According to the reported data, the NiOx ML is locally disrupted in the vicinity of the Ag nanoparticles so that the c(4 x 2)-NiOx/Pd(1 0 0) surface cannot be considered as an efficient template to stabilize metal nanoparticles against Ostwald ripening phenomena. (C) 2007 Elsevier B.V. All rights reserved. (literal)
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