PONTONI, D.; NARAYANAN, T.; PETIT, J.-M.; GRÜBEL, G.; BEYSENS, Daniel

doi:10.1103/PhysRevLett.90.188301

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PONTONI, D.
European Synchrotron Radiation Facility [ESRF]

NARAYANAN, T.
European Synchrotron Radiation Facility [ESRF]

PETIT, J.-M.
European Synchrotron Radiation Facility [ESRF]

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Physical Review Letters. 2003, vol. 90, n° 18, p. 188301 (4 p.)

American Physical Society

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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-liq. type transition is induced when the short-ranged attractive interactions attain sufficient magnitude. The development of liq.-like 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.< Leer menos

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Aggregation

Autocorrelation function

Colloids

Diffusion

Glass transition

Microstructure

Sols

Structure factor

Potential energy

Heavy water

Silica

numbers: 8270Dd

6110Eq

6470Pf

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Microstructure and dynamics near an attractive colloidal glass transition

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