Table 1 Resonant frequencies and widths of the dipolar plasmon resonance of single silver particles and particles’ beam
Size | ω m (eV) | Δ ω (eV) | ||||||
|---|---|---|---|---|---|---|---|---|
THEORY | ||||||||
Local | Nonlocal | Local | Nonlocal | |||||
A=0 | A=0.25 | A=0 | A=0.25 | A=0 | A=0.25 | A=0 | A=0.25 | |
D=4nm | 3.50 | 3.51 | 3.61 | 3.61 | 0.23 | 0.36 | 0.20 | 0.26 |
D=3 nm | 3.50 | 3.51 | 3.65 | 3.65 | 0.23 | 0.39 | 0.18 | 0.26 |
D=2 nm | 3.51 | 3.51 | 3.74 | 3.74 | 0.23 | 0.44 | 0.15 | 0.28 |
D=1 nm | 3.51 | 3.51 | – | – | 0.23 | 0.58 | – | – |
〈D〉=2 nm | 3.50 | 3.51 | 3.68 | 3.68 | 0.23 | 0.42 | 0.25 | 0.33 |
EXPERIMENT | ||||||||
〈D〉=2 nm | 3.65 | 0.33 | ||||||