Ultrafast Strong-Field Photoemission from Plasmonic Nanoparticles | Zendy

Péter Dombi | Zendy; Anton Hörl | Zendy; Péter Rácz | Zendy; István Márton | Zendy; Andreas Trügler | Zendy; Joachim R. Krenn | Zendy; Ulrich Hohenester | Zendy

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Ultrafast Strong-Field Photoemission from Plasmonic Nanoparticles

Author(s) -

Péter Dombi,

Anton Hörl,

Péter Rácz,

István Márton,

Andreas Trügler,

Joachim R. Krenn,

Ulrich Hohenester

Publication year - 2013

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl304365e

Subject(s) - plasmon , ultrashort pulse , electron , nanoscopic scale , nanoparticle , materials science , plasmonic nanoparticles , particle (ecology) , nanotechnology , field (mathematics) , chemical physics , optoelectronics , optics , physics , laser , oceanography , mathematics , quantum mechanics , geology , pure mathematics

We demonstrate the ultrafast generation of electrons from tailored metallic nanoparticles and unravel the role of plasmonic field enhancement in this process by comparing resonant and off-resonant particles, as well as different particle geometries. We find that electrons become strongly accelerated within the evanescent fields of the plasmonic nanoparticles and escape along straight trajectories with orientations governed by the particle geometry. These results establish plasmonic nanoparticles as versatile ultrafast, nanoscopic sources of electrons.

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