Atomistic modeling of FnVm complexes in pre-amorphized Si (Articolo in rivista)

Type
Label
  • Atomistic modeling of FnVm complexes in pre-amorphized Si (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.mseb.2008.08.001 (literal)
Alternative label
  • Lopez, P; Pelaz, L; Aboy, M; Impellizzeri, G; Mirabella, S; Priolo, F; Napolitani, E (2008)
    Atomistic modeling of FnVm complexes in pre-amorphized Si
    in Materials science & engineering. B, Solid-state materials for advanced technology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lopez, P; Pelaz, L; Aboy, M; Impellizzeri, G; Mirabella, S; Priolo, F; Napolitani, E (literal)
Pagina inizio
  • 207 (literal)
Pagina fine
  • 210 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 154 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Valladolid, Dept Electricidad & Elect, E-47011 Valladolid, Spain; Univ Catania, MATIS CNRS INFM, I-95123 Catania, Italy; Univ Padua, MATIS CNR INFM, I-35131 Padua, Italy (literal)
Titolo
  • Atomistic modeling of FnVm complexes in pre-amorphized Si (literal)
Abstract
  • The co-implantation of F and B in pre-amorphized Si has been proved to be beneficial for the fabrication of ultrashallow junctions due to a remarkable reduction of B diffusion. This is attributed to the presence of fluorine-vacancy (F-V) complexes after regrowth, acting as annihilation centers for Si interstitials. Whereas the resulting F profile in the recrystallized layer can be easily determined by chemical profiling, the vacancy distribution, which has a strong influence on B diffusion, can only be indirectly estimated. In this work, atomistic simulations have been used to analyze several aspects that can affect the efficiency of F-V complexes on Si interstitials annihilation, by considering the effects on B diffusion and the evolution of F profiles. The vacancy content of the complexes, determined by the F/V ratio, and the complex size play an important role on B redistribution. The existence of a recombination barrier for the interaction of a Si interstitial and some F-V complexes, as proposed by theoretical calculations, and its influence on the Si interstitial annihilation efficiency of the complexes are also analyzed. (C) 2008 Elsevier B.V. All rights reserved. (literal)
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