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Ultrafast Plasmonic Electron Emission from Ag Nanolayers with Different Roughness

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Abstract

We demonstrate ultrafast plasmonic electron emission and acceleration from Ag nanolayers having different roughness. We obtained the spectrum of the electrons and found that the surface roughness deeply influences the properties of the electron spectra. Numerical simulations on propagating surface plasmons coupled to localized plasmons on surface grains support the observations. Applications related to ultrafast electron sources and ultrafast photocathodes are envisaged.

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Acknowledgments

We acknowledge support from the Hungarian Academy of Sciences (Lendület Grant). This work was also partially supported by the European Union and the European Social Fund through project entitled ELITeam at the University of Szeged, and by the National Research, Development and Innovation Office under Contract No. PD 109472, 109257 and 116688. We wish to thank Tomasz Szoplik for his help in sample fabrication and Pál Mezei for fruitful discussions.

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Authors and Affiliations

  1. MTA “Lendület” Ultrafast Nanooptics Group, Wigner Research Centre for Physics, 1121, Budapest, Hungary

    István Márton, Viktor Ayadi, Péter Rácz & Péter Dombi

  2. University of Pécs, Ifjúság u. 6, 7624, Pécs, Hungary

    István Márton

  3. Faculty of Physics, University of Warsaw, Pasteura 7, 02-093, Warsaw, Poland

    Tomasz Stefaniuk & Piotr Wróbel

  4. Institute of Photonics and Electronics AS CR, v. v. i., Chaberská 57, Prague, Czech Republic

    Piotr Wróbel

  5. Department of Theoretical Physics, University of Szeged, Tisza Lajos körút 84, 6720, Szeged, Hungary

    Péter Földi

Authors
  1. István Márton
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  2. Viktor Ayadi
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  3. Péter Rácz
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  4. Tomasz Stefaniuk
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  5. Piotr Wróbel
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  6. Péter Földi
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  7. Péter Dombi
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Correspondence to István Márton.

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Márton, I., Ayadi, V., Rácz, P. et al. Ultrafast Plasmonic Electron Emission from Ag Nanolayers with Different Roughness. Plasmonics 11, 811–816 (2016). https://doi.org/10.1007/s11468-015-0113-1

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  • DOI: https://doi.org/10.1007/s11468-015-0113-1

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