Research Article
Nanobeams and AFM Subject to Piezoelectric and Surface Scale Effects
Table 2
Comparative natural frequencies between cases of double and triple span beams with and without piezoelectric patch on the first segment.
| Case | Piezoelectric path | Natural frequencies (Hz) | | | | | | | | |
| Triple span [9] | with piezoelectric path | 52.3 | 203.0 | 382.5 | - | - | - | Triple span (Figure 1(a)) | with piezoelectric path | 50.6 | 209.2 | 393.7 | 910.7 | 1412.5 | 2016.7 | Double span (Figure 1(b)) | with piezoelectric path | 46.2 | 222.9 | 376.2 | 875.3 | 1537.5 | 1948.6 | Double/Triple span | without piezoelectric path | 27.3 | 142.9 | 320.1 | 618.9 | 1073.0 | 1579.4 |
| Experimentally obtained | | | | | | | |
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