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Ultrafast Electronic and Acoustic Dynamics in Nanocrystalline Silicon

  • Tania M. Ribeiro*
  • , Tiago E.C. Magalhães
  • , Houssem Rezgui
  • , Gloria Conte
  • , Oili Ylivaara
  • , Jouni Ahopelto
  • , Clivia M. Sotomayor-Torres
  • *Corresponding author for this work
    • International Iberian Nanotechnology Laboratory (INL)

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific

    Abstract

    In this work, we report the ultrafast electronic and acoustic dynamics of nanocrystalline silicon (nc-Si) thin films and membranes, investigating how structural and morphological changes impact phonon lifetimes.

    Original languageEnglish
    Title of host publicationMETA 2026 Dublin – Ireland
    Subtitle of host publicationThe 16th International Conference on Metamaterials, Photonic Crystals and Plasmonics
    Pages612-613
    Number of pages2
    Publication statusPublished - 2026
    MoE publication typeNot Eligible
    Event16th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2026 - Dublin, Ireland
    Duration: 14 Jul 2026 → 17 Jul 2026

    Publication series

    SeriesInternational Conference on Metamaterials, Photonic Crystals and Plasmonics
    ISSN2429-1390

    Conference

    Conference16th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2026
    Country/TerritoryIreland
    CityDublin
    Period14/07/26 → 17/07/26

    Funding

    T. M. Ribeiro, H. Rezgui, G.Conte, O. Ylivaara, J. Ahopelto and C. M. Sotomayor-Torres acknowledge funding from the MAGNIFIC project (HORIZON-CL4-2022-RESILIENCE-01, Grant Agreement No. 101091968). T. E. C. Magalhaes and C. M. Sotomayor-Torres acknowledge the support from the project LEIT funded by the European Research Council, H2020 Grant, Agreement No. 885689.

    Keywords

    • gigahertz acoustic waves
    • nanocrystalline silicon
    • phonon lifetime
    • photoacoustics
    • silicon membranes
    • ultrafast spectroscopy

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