Monitoring spatially heterogeneous dynamics in a drying colloidal thin film

Soft Materials

Volumn 8, Issue 2, 2010, Pages 102-113

  Zakharov, P ^a   Scheffold, F ^a  

^a UNIVERSITY OF FRIBOURG   (Switzerland)

Author keywords

Colloids; Dynamic light scattering; Film drying; Heterogeneous dynamics; Jamming; Speckle imaging

Indexed keywords

COMPLEX FLUIDS; DRYING PROCESS; DYNAMIC PROPERTY; ENSEMBLE AVERAGES; FILM DRYING; FULL-FIELD; HETEROGENEOUS DYNAMICS; LENGTH SCALE; NEAR-FIELD SPECKLES; PERIODIC MODULATION; SCATTERING MEDIUM; SPATIALLY HETEROGENEOUS DYNAMICS; SPECKLE IMAGING; STRUCTURE FUNCTIONS;

COLLOID CHEMISTRY; DRYING; DYNAMIC LIGHT SCATTERING; JAMMING; REFRACTION; SPECKLE; THIN FILMS;

SCATTERING;

EID: 77953840847     PISSN: 1539445X     EISSN: 15394468     Source Type: Journal    
DOI: 10.1080/15394451003708549     Document Type: Article

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36. In the far field the speckles are larger than L0 and N has been determined from a fit to the data in the CRP (solid squares). We note that only for a beams spot size (1/e) well below 500 ?m we were able to observe the time intermittency shown in Fig. 5 (a) in agreement with our observation in the near field (Fig. 5 (b)).