The light-induced structuralization in magnetic fluids with negative Soret constant

The light-induced structuralization in magnetic fluids with negative Soret constant

The structuralization of the colloidal particles concentration in illuminated magnetic fluids with negative Soret constant was investigated. A theoretical explanation of the phenomenon, based on the study of the thermodiffusion process in colloidal fluids, was made. The development of the structural...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2005-03, Vol.289, p.292-294
Hauptverfasser: Kopčanský, Peter, Hnatič, Michal, Repašan, Marián, Potočová, Ivana, Timko, Milan, Turek, Ivan, Štelina, Július, Musil, Ctibor, Braciník, Juraj, Ayrjan, Edik, Vekas, Ladislau, Bica, Doina
Format: Artikel
Sprache:eng
Schlagworte:
Magnetic fluid
Soret constant
Structuralization
Thermodiffusion
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Zusammenfassung:The structuralization of the colloidal particles concentration in illuminated magnetic fluids with negative Soret constant was investigated. A theoretical explanation of the phenomenon, based on the study of the thermodiffusion process in colloidal fluids, was made. The development of the structuralization after the intensity of the illumination reaches some critical value was both simulated and observed experimentally.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2004.11.083