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Multiwalled Carbon Nanotube/nanofiber Arrays as Conductive and Dry Adhesive Interface MaterialsWe demonstrate the possibility of making conductive and dry adhesive interfaces between multiwalled carbon nanotube (MWNT) and nanofiber (MWNF) arrays grown by chemical vapor deposition with transition-metal as catalyst on highly Boron doped silicon substrates. The maximum observed adhesion force between MWNT and MWNF surfaces is 3.5 mN for an apparent contact area of 2 mm by 4 mm. The minimum contact resistance measured at the same time is approx.20 Omega. Contact resistances of MWNT-MWNT and MWNT-gold interfaces were also measured as pressure forces around several mN were applied at the interface. The resulting minimum contact resistances are on the same order but with considerable variation from sample to sample. For MWNT-MWNT contacts, a minimum contact resistance of approx.1 Omega is observed for a contact area of 2 mm by 1 mm. The relatively high contact resistances, considering the area density of the nanotubes, might be explained by the high cross-tube resistances at the contact interfaces.
Document ID
20050182782
Acquisition Source
Headquarters
Document Type
Conference Paper
Authors
Tong, Tao
(California Univ. Berkeley, CA, United States)
Zhao, Yang
(Atlas Scientific San Jose, CA, United States)
Delzeit, Lance
(NASA Ames Research Center Moffett Field, CA, United States)
Majumdar, Arun
(California Univ. Berkeley, CA, United States)
Kashani, Ali
(Atlas Scientific San Jose, CA, United States)
Date Acquired
August 23, 2013
Publication Date
June 30, 2004
Subject Category
Mechanical Engineering
Meeting Information
Meeting: ASME Integrated Nanosystems Conference
Location: Pasadena, CA
Country: United States
Start Date: September 22, 2004
Sponsors: American Society of Mechanical Engineers
Funding Number(s)
PROJECT: RTOP 302-05-43
Distribution Limits
Public
Copyright
Other

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