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A) Essential elements of a core-shell segmented Au-Ag nanowire, with an Au segment of length LAu, an Ag segment of length LAg, a silica shell of uniform thickness ds, and a metallic core diameter of dcore. B) A diagram of a smectic nanowire array in which only the metallic cores are shown. Au is gold and Ag is gray. Nanowires are separated by a spacing of dx along the rows and dy is the inter-row spacing.
