Self-organized growth of Ni nanoparticles on a cobalt-oxide thin film induced by a buried misfit dislocation network (Articolo in rivista)

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Label
  • Self-organized growth of Ni nanoparticles on a cobalt-oxide thin film induced by a buried misfit dislocation network (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.77.081409 (literal)
Alternative label
  • Torelli, P; Soares, EA; Renaud, G; Gragnaniello, L; Valeri, S; Guo, XX; Luches, P (2008)
    Self-organized growth of Ni nanoparticles on a cobalt-oxide thin film induced by a buried misfit dislocation network
    in Physical review. B, Rapid communications (print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Torelli, P; Soares, EA; Renaud, G; Gragnaniello, L; Valeri, S; Guo, XX; Luches, P (literal)
Pagina inizio
  • 081409 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 77 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Torelli, P.; Gragnaniello, L.; Luches, P.] Natl Res Ctr NanoStruct & BioSyst Surfaces S3, CNR, INFM, I-41100 Modena, Italy; [Soares, E. A.] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil; [Renaud, G.; Guo, X. X.] CEA Grenoble, Dept Rech Fondamentale la Matiere Condensee, SP2M NRS, F-38054 Grenoble, France; [Gragnaniello, L.; Valeri, S.] Univ Modena & rEGGIO eMILIA, Dipartimento Fis, I-41100 Modena, Italy (literal)
Titolo
  • Self-organized growth of Ni nanoparticles on a cobalt-oxide thin film induced by a buried misfit dislocation network (literal)
Abstract
  • We report on a clear tendency toward organized growth, at room temperature, of Ni nanoislands deposited on a CoO(001) nanopatterned surface. The 9.2 nm square surface patterning consists in a periodic displacement field induced at the surface by an underlying interfacial dislocations network that is buried at the interface between the 5 nm thick CoO(001) thin film and the Ag(001) substrate. Grazing incidence small and wide angle x-ray scattering (GISAXS and GIXD) performed in situ, during growth, reveal that the nucleation of Ni particles is driven by the underlaying dislocation distribution. The tendency for organization is confirmed by scanning tunneling microscopy (STM), which also reveals a quite narrow size distribution of the Ni nanoparticles around 5 nm width and 0.6 nm height. (literal)
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