DOI: 10.1063/1.2227386. Direct imaging of repulsive and attractive colloidal glasses

Direct imaging of repulsive and attractive colloidal glasses

10.1063/1.2227386

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Coherent anti-Stokes Raman scattering microscopy is performed on glassy systems of poly(methylmethacrylate) colloidal particles in density- and refractive-index-matched solvents. Samples are prepared with varying amounts of linear polystyrene, which induces a depletion driven attraction between the nearly hard-sphere particles. Images collected over several hours confirm the existence of a reentrant glass transition. The images also reveal that the dynamics of repulsive and attractive glasses are qualitatively different. Colloidal particles in repulsive glasses exhibit cage rattling and escape, while those in attractive glasses are nearly static while caged but exhibit large displacements upon (infrequent) cage escape.

Bibliography

Kaufman, L. J., & Weitz, D. A. (2006). Direct imaging of repulsive and attractive colloidal glasses. The Journal of Chemical Physics, 125(7).

Authors 2

Laura J. Kaufman (first)
David A. Weitz (additional)

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Dates

Type	When
Created	19 years ago (Aug. 22, 2006, 6:12 p.m.)
Deposited	2 years ago (July 30, 2023, 11:54 p.m.)
Indexed	3 weeks, 5 days ago (July 30, 2025, 6:46 a.m.)
Issued	19 years ago (Aug. 21, 2006)
Published	19 years ago (Aug. 21, 2006)
Published Online	19 years ago (Aug. 21, 2006)
Published Print	19 years ago (Aug. 21, 2006)

Funders 0

None

BibTeX

@article{Kaufman_2006, title={Direct imaging of repulsive and attractive colloidal glasses}, volume={125}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2227386}, DOI={10.1063/1.2227386}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Kaufman, Laura J. and Weitz, David A.}, year={2006}, month=aug }

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