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A summary of the enhancement factors (EFs) measured for individual Ag nanocubes with various edge lengths (lcube) under two different laser polarization directions: along an edge (EFedge) and along a face diagonal (EFdiagonal).
| lcube (nm) | EFedge | EFdiagonal |
|---|---|---|
| 170 ± 4 | 1.9 × 106 | 3.6 × 106 |
| 125 ± 4 | 2.1 × 106 | 3.9 × 106 |
| 82 ± 5 | 2.0 × 106 | 4.1 × 106 |
| 57 ± 4 | 1.5 × 106 | 1.9 × 106 |
