Control of electrostatic particle-particle interactions in dielectrophoresis

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Abstract

In a nonuniform electric field, the particles of a suspension experience both a dielectrophoretic (DEP) force and electrostatic particle-particle forces. In applications which require that the particles be manipulated individually the latter forces are not desirable. It is shown numerically that the ratio of the particle-particle and DEP forces decreases with increasing particle size and increasing gap between the particles, and its variation with the Clausius-Mossotti factor becomes increasingly nonlinear with decreasing particle size.

Original languageEnglish (US)
Pages (from-to)623-629
Number of pages7
JournalEurophysics Letters
Volume74
Issue number4
DOIs
StatePublished - May 15 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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