Figure 3

Intensity (a) and spectral position (b) of the | r _ps | peak. As a function of a shell thickness. Dots (circles) correspond to a system composed of Ni nanowires embedded in an n = 1.7 (n = 1.4) dielectric medium and surrounded by an n = 1.4 (n = 1.7) shell. The black and dotted horizontal lines correspond to the values for the n = 1.7 and n = 1.4 uniform backgrounds respectively.