http://www.cnr.it/ontology/cnr/individuo/prodotto/ID40489
Competing interactions in arrested states of colloidal clays (Articolo in rivista)
- Type
- Label
- Competing interactions in arrested states of colloidal clays (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.104.085701 (literal)
- Alternative label
Ruzicka, B.; Zulian, L.; Zaccarelli, E.; Angelini, R.; Sztucki, M.; Moussaid, A.; Ruocco, G. (2010)
Competing interactions in arrested states of colloidal clays
in Physical review letters (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ruzicka, B.; Zulian, L.; Zaccarelli, E.; Angelini, R.; Sztucki, M.; Moussaid, A.; Ruocco, G. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://prl.aps.org/abstract/PRL/v104/i8/e085701 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [Ruzicka, Zaccarelli, Angelini, Ruocco] SOFT INFM-CNR and Dipartimento di Fisica, Sapienza Universita` di Roma, I-00185, Italy;
[Zulian] ISMAC-CNR via Bassini 15, 20133 Milano, Italy;
[Sztucki, Moussaid] European Synchrotron Radiation Facility. Boite Postale 220, F-38043 Grenoble Cedex, France (literal)
- Titolo
- Competing interactions in arrested states of colloidal clays (literal)
- Abstract
- Using experiments, theory and simulations, we show that the arrested state observed in a colloidal clay
at high concentrations is stabilized by screened Coulomb repulsion (Wigner glass). Dilution experiments
allow us to distinguish this disconnected state, which melts upon addition of water, from a lowconcentration
gel state, which does not melt. Theoretical modeling and simulations at high concentrations
reproduce the measured small angle x-ray scattering static structure factors and confirm the long-range
electrostatic nature of the arrested structure. These findings are attributed to the different time scales
controlling the competing attractive and repulsive interactions. (literal)
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