Fluctuations and scaling in models for particle aggregation (Articolo in rivista)

Type
Label
  • Fluctuations and scaling in models for particle aggregation (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.susc.2006.04.003 (literal)
Alternative label
  • Daniele Vilone (1), Claudio Castellano (1,2), Paolo Politi (3) (2006)
    Fluctuations and scaling in models for particle aggregation
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Daniele Vilone (1), Claudio Castellano (1,2), Paolo Politi (3) (literal)
Pagina inizio
  • 2392 (literal)
Pagina fine
  • 2401 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 600 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • fasc. (11). Elsevier. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica, Università di Roma \"La Sapienza\" and Center for Statistical Mechanics and Complexity, INFM Unità Roma 1, P.le A. Moro 2, 00185 Roma, Italy (2) Istituto dei Sistemi Complessi, CNR, Via dei Taurini 9, 00185 Roma, Italy (3) Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy (literal)
Titolo
  • Fluctuations and scaling in models for particle aggregation (literal)
Abstract
  • We consider two sequential models of deposition and aggregation for particles. The first model (No Diffusion) simulates surface diffusion through a deterministic capture area, while the second (Sequential Diffusion) allows the atoms to diffuse up to l steps. Therefore the second model incorporates more fluctuations than the first, but still less than usual (Full Diffusion) models of deposition and diffusion on a crystal surface. We study the time dependence of the average densities of atoms and islands and the island size distribution. The Sequential Diffusion model displays a nontrivial steady-state regime where the island density increases and the island size distribution obeys scaling.. much in the same way as the standard Full Diffusion model for epitaxial growth. Our results also allow to gain insight into the role of different types of fluctuations. (c) 2006 Elsevier B.V. All rights reserved. (literal)
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