Hard spheres: crystallization and glass formation

Motivated by old experiments on colloidal suspensions, we report molecular dynamics simulations of assemblies of hard spheres, addressing crystallization and glass formation. The simulations cover wide ranges of polydispersity s (standard deviation of the particle size distribution divided by its me...

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Bibliographic Details
Published in:Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 2009-12, Vol.367 (1909), p.4993-5011
Main Authors: Pusey, P. N., Zaccarelli, E., Valeriani, C., Sanz, E., Poon, Wilson C. K., Cates, Michael E.
Format: Article
Language:English
Subjects:
Colloid
Colloids
Crystallinity
Crystallites
Crystallization
Crystals
Freezing
Glass
Glass Formation
Hard Spheres
Material concentration
Molecular Dynamics
Nucleation
Polydispersity
Supersaturation
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Summary:Motivated by old experiments on colloidal suspensions, we report molecular dynamics simulations of assemblies of hard spheres, addressing crystallization and glass formation. The simulations cover wide ranges of polydispersity s (standard deviation of the particle size distribution divided by its mean) and particle concentration. No crystallization is observed for s>0.07. For 0.02
ISSN:1364-503X
1471-2962
DOI:10.1098/rsta.2009.0181