Table 1 Various parameters for porous gold films
From: Surface Plasmon’s Dispersion Properties of Porous Gold Films
Sample no. | 1 | 2 | 1′ | 2′ | |||
|---|---|---|---|---|---|---|---|
PLD | P Ar, Pa | 20 | 70 | 20 | 70 | ||
N ∙ 103 | 3 | 3 | 15 | 15 | |||
ΑFM | D, nm | 10.8 (4.9–22.7) | 6.9 (3.6–12.2) | 25.5 (3–56.4) | 16.3 (3.2–31.7) | ||
R, nm | 40 (25.3–71.84) | 9.7 (6–16.7) | 19 (9.1–29.9) | 11.9 (4.4–18.9) | |||
Average neighbor distance, nm | 40 | 9.7 | 19 | 11.9 | |||
q | 0.3 | 0.23 | 1 | 1 | |||
XRR | Density NP ∙ 103/μm2 | 3 | 5.5 | 1.7 | 4.3 | ||
Porosity, % | 30.1 | 36.6 | |||||
d, nm | – | – | 10.6 | 6 | |||
T(λ) | λ min, nm | 680 | 740 | 620 | 560 | ||
θ ρ=0(λ) | λ р, nm (ω р ⋅ 1015, Hz) | 552 (3.415) | 590 (3.195) | 508 (3.71) | 515 (3.66) | ||
ρ(λ) θ = 45°–60° (70)° | ω sp1 ∙ 1015, Hz | 4.25–(4.20) | 4.23–(4.32) | 4.34–4.33 | 4.3–4.37 | ||
γ sp1 ∙ 1015, s−1 | 0.57–(0.63) | 0.52–(1.11) | 1–1.08 | 0.96–1.03 | |||
ω sp2,3 ∙ 1015, Hz | 3.29–(3.18) | 3.14–(2.76) | 3.1–2.04 | 2.08–1.85 | 3.34–2.4 | 2.4–1.97 | |
γ sp2,3 ∙ 1015, s−1 | 1.35–(1.36) | 1.62–(1.29) | 1.4–1.14 | 1.04–0.36 | 1.08–0.98 | 1.27–0.4 | |