Journal
PHYSICAL REVIEW B
Volume 79, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.041401
Keywords
boundary-elements methods; gold; nanoparticles; surface plasmons; transmission electron microscopy
Funding
- Austrian Science Fund FWF [P18136-N13]
- NAWI GASS
- Zukunftsfonds Steiermark.
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We demonstrate the imaging capabilities of energy-filtered transmission electron microscopy at high-energy resolution in the low-energy-loss region, reporting the direct image of a surface plasmon of an elongated gold nanoparticle at energies around 1 eV. Using complimentary model calculations performed within the boundary element method approach we can assign the observed results to the plasmon eigenmodes of the metallic nanoparticle.
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