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Diffusiophoresis as ruling effect: Influence of organic salts on thermodiffusion of iron oxide nanoparticles
Physical review. E
Colloidal particles, including ferrofluidic nanoparticles (NP), move in a temperature gradient due to thermodiffusion. Organic salts, which are often added to disperse the NP in aqueous solution, also move in the temperature gradient. This can have a strong influence on the behavior of the NP, which not only respond to the temperature gradient but also to the concentration gradient of the dispersive salt, an effect termed diffusiophoresis. In this work we present experimental results ondoi:10.1103/physreve.98.062615 fatcat:glagccq2gzfs5pwg6s732aan7m