Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points (Articolo in rivista)

Type
Label
  • Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.111.168302 (literal)
Alternative label
  • Lorenzo Rovigatti (1); José Maria Tavares (2); Francesco Sciortino (3) (2013)
    Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lorenzo Rovigatti (1); José Maria Tavares (2); Francesco Sciortino (3) (literal)
Pagina inizio
  • 168302 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v111/i16/e168302 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 111 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 16 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Dipartimento di Fisica, Sapienza Università di Roma, Piazzale Aldo Moro 2, 00185 Roma, Italy (2) Instituto Superior de Engenharia de Lisboa-ISEL, Rua Conselheiro Emídio Navarro 1, P-1950-062 Lisbon, Portugal and Centro de Física Teórica e Computacional, Avenida Professor Gama Pinto 2, P-1649-003 Lisbon, Portugal (3) Dipartimento di Fisica and CNR-ISC, Sapienza Università di Roma, Piazzale Aldo Moro 2, 00185 Roma, Italy (literal)
Titolo
  • Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points (literal)
Abstract
  • We study the interplay between phase separation and self-assembly in chains, rings, and branched structures in a model of particles with dissimilar patches. We extend Wertheim's first order perturbation theory to include the effects of ring formation and to theoretically investigate the thermodynamics of the model. We find a peculiar shape for the vapor-liquid coexistence, featuring reentrant behavior in both phases and two critical points, despite the single-component nature of the system. The emergence of the lower critical point is caused by the self-assembly of rings taking place in the vapor, generating a phase with lower energy and lower entropy than the liquid. Monte Carlo simulations of the same model fully support these unconventional theoretical predictions. (literal)
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