Synthesis of mono and bi-layer of Si nanocrystals embedded in a dielectric matrix by e-beam evaporation of SiO/SiO2 thin films (Articolo in rivista)

Type
Label
  • Synthesis of mono and bi-layer of Si nanocrystals embedded in a dielectric matrix by e-beam evaporation of SiO/SiO2 thin films (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Perego, M; Fanciulli, M; Bonafos, C; Cherkashin, N (2006)
    Synthesis of mono and bi-layer of Si nanocrystals embedded in a dielectric matrix by e-beam evaporation of SiO/SiO2 thin films
    in Materials science & engineering. C, Biomimetic materials, sensors and systems (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Perego, M; Fanciulli, M; Bonafos, C; Cherkashin, N (literal)
Pagina inizio
  • 835 (literal)
Pagina fine
  • 839 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM, Lab MDM, I-20041 Agrate Brianza, MI, Italy; CNRS, CEMES, Toulouse, France (literal)
Titolo
  • Synthesis of mono and bi-layer of Si nanocrystals embedded in a dielectric matrix by e-beam evaporation of SiO/SiO2 thin films (literal)
Abstract
  • Si nanocrystals (ncs) were synthesized by e-beam evaporation of SiO/SiO2 multilayer structures and subsequent annealing at high temperatures. We focused our attention on the possibility to manipulate the ncs dimension by changing the SiO layer thickness. Time of flight secondary ion mass spectrometry and X-ray photoelectron spectroscopy analyses of the annealed samples indicated that the thermal treatment induces a phase separation in the SiO layer. The formation of Si nanocrystals was confirmed by high-resolution transmission electron microscopy, although in the thinnest layers (below 2 nm) the Si clusters are probably amorphous. Preliminary results indicate that a similar approach is suitable also for synthesizing Ge nanocrystals. (c) 2005 Elsevier B.V. All rights reserved. (literal)
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