title: Scaling parallel dielectrophoresis of carbon nanotubes: an enabling geometry.
abstract: Dielectrophoresis has been used as a technique for the parallel localization and alignment of both semiconducting and metallic carbon nanotubes (CNTs) at junctions between electrodes. A variation of this technique known as floating potential dielectrophoresis (FPD) allows for a self-limiting number of CNTs to be localized at each junction, on a massively parallel scale. However, the smallest FPD geometries to date are restricted to conductive substrates and have a lower limit on floating electrode size. We present a geometry which eliminates this lower limit and enables FPD to be performed on non-conducting substrates. We also discuss experiments clarifying the self-limiting mechanism of CNT localization and how it can be used advantageously as devices are scaled downwards to smaller sizes.
authors.affiliation: Department of Physics and Astronomy, Brigham Young University, Provo, UT 84602, USA. davis@byu.edu
authors.forename: Brian
authors.initials: B
authors.lastname: Davis
authors.forename: Hiram
authors.initials: H
authors.lastname: Conley
authors.forename: David
authors.initials: D
authors.lastname: Jones
authors.forename: John N
authors.initials: JN
authors.lastname: Harb
authors.forename: Robert C
authors.initials: RC
authors.lastname: Davis