Numerical solution of the dielectrophoretic and travelling wave forces for interdigitated electrode arrays using the finite element method

Green, N.G., Ramos, A. and Morgan, H. (2002) Numerical solution of the dielectrophoretic and travelling wave forces for interdigitated electrode arrays using the finite element method. Journal of Electrostatics, 56, pp. 235-254.

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Abstract

AC electrokinetics is the study of the movement of polarisable particles under the influence of AC electric fields. The fields are applied to a suspension of particles by planar microelectrode structures and one particular design, the interdigitated bar electrode has been used in both dielectrophoretic (DEP) field flow fractionation and travelling wave dielectrophoresis. This paper presents, numerical solutions of the DEP and travelling wave forces for an interdigitated electrode array energised with either a 2- or 4-phase signal. The electrorotational torque experienced by the particle in the 4-phase travelling wave array is also calculated. The solutions are compared with previous results.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:UNSPECIFIED
Authors: Green, N.G., Ramos, A., and Morgan, H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Journal of Electrostatics

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