Table 10.

Electric field parameters calculated for Au nanostars.

Stars Au	Excitation Wavelength, $\mathit{\lambda }$, nm
	632.8	785	632.8	785	632.8	785
	Local Maximum of Electric Field E, V/m		SERS Signal Intensity, a,u.		Enhancement Coefficient |E/E0|4
Outer radius 30 nm, Inner radius 10 mn, Height 8 nm	11.9	116	1060	13500	1.13·106	1.82·108
Outer radius 40 nm, Inner radius 10 mn, Height 8 nm	8.76	17.2	982	10900	9.64·105	1.18·108
Outer radius 45 nm, Inner radius 15 mn, Height 8 nm	22.1	25.5	1390	17600	1.92·106	3.09·108
Outer radius 50 nm, Inner radius 20 mn, Height 10 nm	39.9	49.1	9900	2510	4.16·106	9.8·107
Outer radius 60 nm, Inner radius 20 mn, Height 10 nm	17.2	103	1640	10600	2.68·106	1.13·108
Outer radius 65 nm, Inner radius 25 nm, Height 10 nm	24.8	156	1870	77600	3.48·106	6.03·109
Outer radius 75 nm, Inner radius 25 nm, Height 10 nm	23.4	40.1	3140	4.95·105	9.84·106	2.45·1011