Colloidal systems with competing interactions: from an arrested repulsive cluster phase to a gel. Toledano, J. C., Sciortino, F., & Zaccarelli, E. Soft Matter, 5(12):2390–2398, 2009.
Paper doi abstract bibtex We report an extensive numerical study of a charged colloidal system with competing short-range depletion attraction and long-range electrostatic repulsion. By analyzing the cluster properties, we identify two distinct regions in the phase diagram: a state composed of stable finite-size clusters, whose relative interactions are dominated by long-range repulsion, and a percolating network. Both states are found to dynamically arrest at low temperatures, providing evidence of the existence of two distinct non-ergodic states in these systems: a Wigner glass of clusters and a gel.
@article{toledano_colloidal_2009,
title = {Colloidal systems with competing interactions: from an arrested repulsive cluster phase to a gel},
volume = {5},
url = {http://dx.doi.org/10.1039/b818169a},
doi = {10.1039/b818169a},
abstract = {We report an extensive numerical study of a charged colloidal system with competing short-range depletion attraction and long-range electrostatic repulsion. By analyzing the cluster properties, we identify two distinct regions in the phase diagram: a state composed of stable finite-size clusters, whose relative interactions are dominated by long-range repulsion, and a percolating network. Both states are found to dynamically arrest at low temperatures, providing evidence of the existence of two distinct non-ergodic states in these systems: a Wigner glass of clusters and a gel.},
number = {12},
journal = {Soft Matter},
author = {Toledano, Juan C. and Sciortino, Francesco and Zaccarelli, Emanuela},
year = {2009},
pages = {2390--2398}
}
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