Experiments, theory, and simulation were used to study glass formation in a simple model system composed of hard spheres with short-range attraction (“sticky hard spheres”). The experiments, using well-characterized colloids, revealed a reentrant glass transition line. Mode-coupling theory calculations and molecular dynamics simulations suggest that the reentrance is due to the existence of two qualitatively different glassy states: one dominated by repulsion (with structural arrest due to caging) and the other by attraction (with structural arrest due to bonding). This picture is consistent with a study of the particle dynamics in the colloid using dynamic light scattering.
Multiple Glassy States in a Simple Model System
K. N. Pham,A. Puertas,J. Bergenholtz,S. Egelhaaf,A. Moussaid,P. Pusey,A. Schofield,M. Cates,M. Fuchs,W. Poon
Published 2002 in Science
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- Publication year
2002
- Venue
Science
- Publication date
2002-04-05
- Fields of study
Chemistry, Medicine, Materials Science, Physics
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Semantic Scholar, PubMed
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