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Distribution of electric field value E near the surface of a single spherical Pt NP with a radius of 40 nm, upon excitation by a monochromatic wave of λ = 244 nm (a) and distribution of electric field strength E near the surface of a single spherical Rh NP with a radius of 50 nm, upon excitation by a monochromatic excitation wave of λ = 355 nm (b).
