Journal
NANO LETTERS
Volume 11, Issue 3, Pages 1323-1330Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl104410t
Keywords
Electron energy-loss spectroscopy; localized surface plasmons; electron-beam lithography
Categories
Funding
- Engineering and Physical Sciences Research Council (EPSRC) in the U.K. [EP/D063329]
- Agency of Science Technology and Research (A*STAR) in Singapore
- EU
- Engineering and Physical Sciences Research Council [EP/H000917/1, EP/D063329/1, EP/H000917/2] Funding Source: researchfish
- EPSRC [EP/D063329/1, EP/H000917/2, EP/H000917/1] Funding Source: UKRI
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We demonstrate the use of high-resolution electron beam lithography to fabricate complex nanocavities with nanometric spatial and positional control. The plasmon modes of these nanostructures are then mapped using electron energy-loss spectroscopy in a scanning transmission electron microsope. This powerful combination of patterning and plasmon mapping provides direct experimental verification to theoretical predictions of plasmon hybridization theory in complex metal nanostructures and allows the determination of the full mode spectrum of such cavities.
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