Table 3 Calculation of the different contact pressure and radii for the tip-CNT, CNT-substrate and tip-substrate junction.
a (1 N/m)(nm) | a (5 N/m)(nm) | Po (1 N/m)(MPa) | Po (5 N/m)(MPa) | |
|---|---|---|---|---|
Diamond–CNT | 1.8 | 3.1 | 2358 | 3975 |
Pt/Ir–CNT | 2.1 | 3.5 | 1732 | 3118 |
CNT–substrate | 2.4 | 4.1 | 1326 | 2272 |
Diamond–substrate | 2.0 | 3.4 | 1910 | 3304 |
Pt/Ir–substrate | 1.4 | 2.4 | 3898 | 6632 |