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Schematic of experimental coating structure being analyzed showing thin insulator shell on gold nanoparticle all embedded in gold.
Glass side reflectance of (a) 40 nm dense gold layer and (b) coated Au nanoparticles overcoated with a 40 nm gold layer.
Experimental (dashed/dotted lines) and modeled (solid lines) optical constants of sputtered metal core-insulator shell composite particles in metal (a) silver, (b) gold, and (c) silver—model only with . (a) and (b) used a distribution of f values.
Distribution of core-shell volume ratios f required to fit the resonant peaks in Fig. 3 for the Ag (triangles) and Au (squares) nanostructures.
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