Journal
PHYSICAL REVIEW LETTERS
Volume 106, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.226803
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Funding
- Fund for scientific research Flanders (FWO-V)
- K.U. Leuven (GOA)
- Flemish government
- Belgian Inter-University Attraction Poles IAP Programmes
- FWO-Vlaanderen
- Russian Foundation for Basic Research
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In high definition mapping of the plasmonic patterns on the surfaces of nanostructures, the diffraction limit of light remains an important obstacle. Here we demonstrate that this diffraction limit can be completely circumvented. We show that upon illuminating nanostructures made of nickel and palladium, the resulting surface-plasmon pattern is imprinted on the structures themselves; the hotspots (regions of local field enhancement) are decorated with overgrowths, allowing for their subsequent imaging with scanning-probe techniques. The resulting resolution of plasmon pattern imaging is correspondingly improved.
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