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Scalable Fabrication of Composite Ti/Ag Plasmonic Helices: Controlling Morphology and Optical Activity by Tailoring Material Properties




Arrays of plasmonic nanohelices that are among the most optically chiral films in the visible wavelength region are fabricated. Remarkably, excellent results are achieved using a simple, one step method with great scalability. This is done by combining room-temperature glancing angle deposition with the co-deposition of titanium and silver.

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