Table 1. Value of the reduced elastic modulus obtained from fitting the loading force values versus deformation under different tip bias using DMT model.
| Tip bias (V) | E (kV/cm) | 4 (E*R½)/3 | E* (GPa) |
|---|---|---|---|
| 0 | 0 | 118.4 | 55.1 |
| 3 | 54.5 | 243.9 | 113.4 |
| 6 | 109 | 335.7 | 156.1 |
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