We study the slow aggregation of aqueous suspensions of optically isotropic microspheres by means of transient electric birefringence. Aggregating clusters exhibit large Kerr constants, and consequently we provide direct experimental evidence that the clusters do possess form anisotropy. From the birefringence relaxation time we derive information on the average cluster size and on the size distribution, and determine their evolution during the aggregation process. Static and dynamic light scattering data confirm the validity of the transient electric birefringence results.

Asnaghi, D., Giglio, M., Mantegazza, F., Giardini, M., Degiorgio, V. (1994). KERR-EFFECT FROM FRACTAL AGGREGATES OF POLYSTYRENE MICROSPHERES. Intervento presentato a: I International Conference on Scaling Concepts and Complex Fluids, COPANELLO, ITALY [10.1007/BF02458806].

KERR-EFFECT FROM FRACTAL AGGREGATES OF POLYSTYRENE MICROSPHERES

MANTEGAZZA, FRANCESCO;
1994

Abstract

We study the slow aggregation of aqueous suspensions of optically isotropic microspheres by means of transient electric birefringence. Aggregating clusters exhibit large Kerr constants, and consequently we provide direct experimental evidence that the clusters do possess form anisotropy. From the birefringence relaxation time we derive information on the average cluster size and on the size distribution, and determine their evolution during the aggregation process. Static and dynamic light scattering data confirm the validity of the transient electric birefringence results.
paper
light scattering
English
I International Conference on Scaling Concepts and Complex Fluids
JUL 04-08, 1994
1994
16
8
1237
1241
none
Asnaghi, D., Giglio, M., Mantegazza, F., Giardini, M., Degiorgio, V. (1994). KERR-EFFECT FROM FRACTAL AGGREGATES OF POLYSTYRENE MICROSPHERES. Intervento presentato a: I International Conference on Scaling Concepts and Complex Fluids, COPANELLO, ITALY [10.1007/BF02458806].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/32243
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