Microstructure and dynamics near an attractive colloidal glass transition

The microstructure and dynamics of a colloidal system interacting via short-ranged interparticle potential is studied by ultra-small-angle x-ray scattering and x-ray photon correlation spectroscopy. A colloidal gas-liquid type transition is induced when the short-ranged attractive interactions attai...

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Bibliographic Details
Published in:Physical review letters 2003-05, Vol.90 (18), p.188301-188301, Article 188301
Main Authors: Pontoni, D, Narayanan, T, Petit, J-M, Grübel, G, Beysens, D
Format: Article
Language:English
Subjects:
Chemical Sciences
Material chemistry
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Summary:The microstructure and dynamics of a colloidal system interacting via short-ranged interparticle potential is studied by ultra-small-angle x-ray scattering and x-ray photon correlation spectroscopy. A colloidal gas-liquid type transition is induced when the short-ranged attractive interactions attain sufficient magnitude. The development of liquidlike structure is preceded by a systematic transition in the particle dynamics from diffusive to constrained motion and then completely frozen behavior. This demonstrates the existence of a jamming transition induced by strong short-ranged attractive interactions even at low packing fractions.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.90.188301