Table 1.

Parameters used in Eqs. (6), (7) and (8) to calculate the temperature-dependent dielectric function of gold and silver, along with source references

Metal	ε∞69	ħωp(T0) (eV)69	B (K−1)71	EF (eV)46	Γ66	Δ66	θD (K)72	ħγ0 (meV)
Au	9.5	9.06	14.2 × 10−6	5.53	0.55	0.77	170	39.5
Ag	4.0	9.17	19.7 × 10−6	5.49	0.55	0.73	215	14.5