This article discusses recent attempts to provide a deeper understanding of the
thermoreversible “gel” state of colloidal matter and to unravel the analogies between gels at …

Colloidal gels constitute an important class of materials found in many contexts and with a
wide range of applications. Yet as matter far from equilibrium, gels exhibit a variety of time …

In contrast with crystallization, there is no noticeable structural change at the glass transition.
Characteristic features of glassy dynamics that appear below an onset temperature, T 0 …

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 …

Colloidal particles are microscopic solid particles suspended in a fluid. Colloids are small
enough that thermal energy drives their dynamics and ensures equilibration with the …

Understanding glass formation is a challenge, because the existence of a true glass state,
distinct from liquid and solid, remains elusive: Glasses are liquids that have become too …

If liquids, polymers, bio-materials, metals and molten salts can avoid crystallization during
cooling or compression, they freeze into a microscopically disordered solid-like state, a …

We use confocal microscopy to visualize individual particles near the colloidal glass
transition. We identify the most slowly-relaxing particles and show that they form spatially …

Glasses formed from nano-and microparticles form a fascinating testing ground to explore
and understand the origins of vitrification. For atomic and molecular glasses, a wide range of …

We report a detailed experimental study of the structure and dynamics of glassy states in
hard spheres with short-range attraction. The system is a suspension of nearly hard-sphere …