| Sample No. | t (nm) | W (nm) | R (nm) | W/t | Γ (mJ/m2) | |
| Equation (2) | Equation (1) | |||||
| 1 | 176 | 233 | 5459 | 1.3 | 45.0 | 6.9 |
| 2 | 185 | 227 | 5434 | 1.2 | 50.6 | 6.7 |
| 3 | 227 | 297 | 8060 | 1.3 | 33.0 | 5.0 |
| 4 | 112 | 392 | 7250 | 3.2 | 10.6 | 11.4 |