Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

The existence of systematic variations of isobaric fragility in different supercooled Lennard-Jones binary mixtures is revealed by molecular dynamics simulations. The connection between fragility and local structures in the bulk is analyzed by means of a Voronoi construction. It is found that clusters of particles belonging to locally preferred structures form slow, long-lived domains, whose spatial extension increases with decreasing temperature. As a general rule, a more rapid growth, upon supercooling, of such domains is associated with a more pronounced super-Arrhenius behavior, and hence to a larger fragility.

Bibliography

Coslovich, D., & Pastore, G. (2007). Understanding fragility in supercooled Lennard-Jones mixtures. I. Locally preferred structures. The Journal of Chemical Physics, 127(12).

Authors 2
  1. D. Coslovich (first)
  2. G. Pastore (additional)
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Dates
Type When
Created 17 years, 10 months ago (Sept. 26, 2007, 6:21 p.m.)
Deposited 2 years ago (Aug. 1, 2023, 10:09 p.m.)
Indexed 2 weeks ago (Aug. 6, 2025, 9:07 a.m.)
Issued 17 years, 10 months ago (Sept. 26, 2007)
Published 17 years, 10 months ago (Sept. 26, 2007)
Published Online 17 years, 10 months ago (Sept. 26, 2007)
Published Print 17 years, 10 months ago (Sept. 28, 2007)
Funders 0

None

@article{Coslovich_2007, title={Understanding fragility in supercooled Lennard-Jones mixtures. I. Locally preferred structures}, volume={127}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2773716}, DOI={10.1063/1.2773716}, number={12}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Coslovich, D. and Pastore, G.}, year={2007}, month=sep }