Improving the contact resistance at low force using gold coated carbon nanotube surfaces

Yunus, E.M., McBride, J.W. and Spearing, S.M. (2008) Improving the contact resistance at low force using gold coated carbon nanotube surfaces. In, Proceedings of the 24th International Conference on Electrical Contacts (ICEC 2008), St Malo, France, 09 - 12 Jun 2008. St Malo, France, 7pp, 507-513.


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Investigations to determine the electrical contact performance
under repeated load cycles at low force conditions for carbonnanotube
(CNT) coated surfaces were performed. The surfaces
under investigation consisted of multi-walled CNT synthesized
on a silicon substrate and coated with a gold film. These planar
surfaces were mounted on the tip of a PZT cantilever and
contacted with a hemispherical Au plated probe. The dynamic
applied force used was 1mN. The contact resistance (Rc) of
these surfaces was investigated with the applied force and with
repeated loading cycles performed for stability testing. The
surfaces were compared with a reference Au-Au contact under
the same experimental conditions. This initial study shows the
potential for the application of gold coated CNT surfaces as an
interface in low force electrical contact applications.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Keywords: contact force, contact resistance, carbon nanotubes, and Au/multi walled carbon nanotubes
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Electro-Mechanical Engineering
ePrint ID: 51020
Accepted Date and Publication Date:
June 2008Published
Date Deposited: 01 May 2008
Last Modified: 31 Mar 2016 12:28

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