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Interfacial shear stress between a single-walled carbon nanotube and a gold surface after different physical
Huiyan Pan1, Yu-Chiao Wu2, George G Adams3
1Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, United States.
Abstract:
The interfacial shear stress between gold and dielectrophoretically assembled single-walled carbon nanotubes can be increased by annealing in N2, by e-beam irradiation, or by e-beam deposition of carbon. For the first time this increase has been measured, using a technique developed by this group that is based on NEMS cantilever measurements combined with modeling. Annealing increases the shear stress by more than a factor of 3 over its value of 87MPa for untreated gold surfaces, while e-beam irradiation increases the shear stress by more than a factor of 2 and carbon deposition increases the shear stress by a smaller amount.
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