Fractal aggregates evolution of methyl red in liquid crystal (Articolo in rivista)

Type
Label
  • Fractal aggregates evolution of methyl red in liquid crystal (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epje/i2009-10460-4 (literal)
Alternative label
  • Ciuchi F; Sorriso-Valvo L; Mazzulla A; Redondo JM (2009)
    Fractal aggregates evolution of methyl red in liquid crystal
    in The European physical journal. E, Soft matter (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ciuchi F; Sorriso-Valvo L; Mazzulla A; Redondo JM (literal)
Pagina inizio
  • 139 (literal)
Pagina fine
  • 147 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 29 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IPCF UOS Cosenza Ctr Excellence CEMIF CAL, I-87036 Arcavacata Di Rende, CS Italy Univ Politecn Cataluna, Dept Fis Aplicada, E-08034 Barcelona, Spain (literal)
Titolo
  • Fractal aggregates evolution of methyl red in liquid crystal (literal)
Abstract
  • The spontaneous formation of dendritic aggregates is observed in a two-dimensional confined layered system consisting of a film composed of liquid crystal, dye and solvent cast above a polymer substrate. The observed aggregates are promoted by phase separation processes induced by dye diffusion and solvent evaporation. The growth properties of the aggregates are studied through the temporal evolution of their topological properties (surface, perimeter, fractal dimension). The fractal dimension of the completely formed structures, when they are coexistent with different types of structures, is consistent with theoretical and experimental values obtained for Diffusion-Limited Aggregates. Under different experimental conditions (temperature and local dye concentration) the structure forms without interactions with other kinds of structures, and its equilibrium fractal dimension is smaller. The fractal dimension is thus not a universal property of the observed structures, but rather depends on the experimental conditions. (literal)
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