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Ultrafast electronic response of graphene to a strong and localized electric field

Author

Listed:
  • Elisabeth Gruber

    (TU Wien, Institute of Applied Physics)

  • Richard A. Wilhelm

    (TU Wien, Institute of Applied Physics
    Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Ion Beam Physics and Materials Research)

  • Rémi Pétuya

    (Donostia International Physics Centre (DIPC))

  • Valerie Smejkal

    (TU Wien, Institute of Applied Physics)

  • Roland Kozubek

    (Universität Duisburg-Essen, Fakultät für Physik and Cenide)

  • Anke Hierzenberger

    (Universität Duisburg-Essen, Fakultät für Physik and Cenide)

  • Bernhard C. Bayer

    (University of Vienna, Faculty of Physics)

  • Iñigo Aldazabal

    (Centro de Fisica de Materiales (CFM), Centro Mixto CSIC-UPV/EHU - MPC)

  • Andrey K. Kazansky

    (Donostia International Physics Centre (DIPC)
    IKERBASQUE, Basque Foundation for Science)

  • Florian Libisch

    (TU Wien, Institute for Theoretical Physics)

  • Arkady V. Krasheninnikov

    (Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Ion Beam Physics and Materials Research)

  • Marika Schleberger

    (Universität Duisburg-Essen, Fakultät für Physik and Cenide)

  • Stefan Facsko

    (Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Ion Beam Physics and Materials Research)

  • Andrei G. Borisov

    (CNRS-Université Paris Sud, Institut des Sciences Moléculaires d’Orsay - UMR 8214)

  • Andrés Arnau

    (Donostia International Physics Centre (DIPC)
    Centro de Fisica de Materiales (CFM), Centro Mixto CSIC-UPV/EHU - MPC
    Facultad de Quimica)

  • Friedrich Aumayr

    (TU Wien, Institute of Applied Physics)

Abstract

The way conduction electrons respond to ultrafast external perturbations in low dimensional materials is at the core of the design of future devices for (opto)electronics, photodetection and spintronics. Highly charged ions provide a tool for probing the electronic response of solids to extremely strong electric fields localized down to nanometre-sized areas. With ion transmission times in the order of femtoseconds, we can directly probe the local electronic dynamics of an ultrathin foil on this timescale. Here we report on the ability of freestanding single layer graphene to provide tens of electrons for charge neutralization of a slow highly charged ion within a few femtoseconds. With values higher than 1012 A cm−2, the resulting local current density in graphene exceeds previously measured breakdown currents by three orders of magnitude. Surprisingly, the passing ion does not tear nanometre-sized holes into the single layer graphene. We use time-dependent density functional theory to gain insight into the multielectron dynamics.

Suggested Citation

  • Elisabeth Gruber & Richard A. Wilhelm & Rémi Pétuya & Valerie Smejkal & Roland Kozubek & Anke Hierzenberger & Bernhard C. Bayer & Iñigo Aldazabal & Andrey K. Kazansky & Florian Libisch & Arkady V. Kra, 2016. "Ultrafast electronic response of graphene to a strong and localized electric field," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13948
    DOI: 10.1038/ncomms13948
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    Cited by:

    1. Shihao Su & Yifan Zhang & Shengyuan Peng & Linxin Guo & Yong Liu & Engang Fu & Huijun Yao & Jinlong Du & Guanghua Du & Jianming Xue, 2022. "Multifunctional graphene heterogeneous nanochannel with voltage-tunable ion selectivity," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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