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Flickering nanometre-scale disorder in a crystal lattice tracked by plasmonic flare light emission

Author

Listed:
  • Cloudy Carnegie

    (University of Cambridge)

  • Mattin Urbieta

    (FCT/ZTF, University of the Basque Country UPV/EHU
    Materials Physics Center CSIC-UPV/EHU and Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal)

  • Rohit Chikkaraddy

    (University of Cambridge)

  • Bart Nijs

    (University of Cambridge)

  • Jack Griffiths

    (University of Cambridge)

  • William M. Deacon

    (University of Cambridge)

  • Marlous Kamp

    (University of Cambridge)

  • Nerea Zabala

    (FCT/ZTF, University of the Basque Country UPV/EHU
    Materials Physics Center CSIC-UPV/EHU and Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal)

  • Javier Aizpurua

    (Materials Physics Center CSIC-UPV/EHU and Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal)

  • Jeremy J. Baumberg

    (University of Cambridge)

Abstract

The dynamic restructuring of metal nanoparticle surfaces is known to greatly influence their catalytic, electronic transport, and chemical binding functionalities. Here we show for the first time that non-equilibrium atomic-scale lattice defects can be detected in nanoparticles by purely optical means. These fluctuating states determine interface electronic transport for molecular electronics but because such rearrangements are low energy, measuring their rapid dynamics on single nanostructures by X-rays, electron beams, or tunnelling microscopies, is invasive and damaging. We utilise nano-optics at the sub-5nm scale to reveal rapid (on the millisecond timescale) evolution of defect morphologies on facets of gold nanoparticles on a mirror. Besides dynamic structural information, this highlights fundamental questions about defining bulk plasma frequencies for metals probed at the nanoscale.

Suggested Citation

  • Cloudy Carnegie & Mattin Urbieta & Rohit Chikkaraddy & Bart Nijs & Jack Griffiths & William M. Deacon & Marlous Kamp & Nerea Zabala & Javier Aizpurua & Jeremy J. Baumberg, 2020. "Flickering nanometre-scale disorder in a crystal lattice tracked by plasmonic flare light emission," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-14150-w
    DOI: 10.1038/s41467-019-14150-w
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    Cited by:

    1. Zhenyu Yang & Pierre-André Cazade & Jin-Liang Lin & Zhou Cao & Ningyue Chen & Dongdong Zhang & Lian Duan & Christian A. Nijhuis & Damien Thompson & Yuan Li, 2023. "High performance mechano-optoelectronic molecular switch," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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