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Plasma-induced surface cooling

Author

Listed:
  • John A. Tomko

    (University of Virginia)

  • Michael J. Johnson

    (Syntek Technologies)

  • David R. Boris

    (Plasma Physics Division, Naval Research Laboratory)

  • Tzvetelina B. Petrova

    (Plasma Physics Division, Naval Research Laboratory)

  • Scott G. Walton

    (Plasma Physics Division, Naval Research Laboratory)

  • Patrick E. Hopkins

    (University of Virginia
    University of Virginia
    University of Virginia)

Abstract

Plasmas are an indispensable materials engineering tool due to their unique ability to deliver a flux of species and energy to a surface. This energy flux serves to heat the surface out of thermal equilibrium with bulk material, thus enabling local physicochemical processes that can be harnessed for material manipulation. However, to-date, there have been no reports on the direct measurement of the localized, transient thermal response of a material surface exposed to a plasma. Here, we use time-resolved optical thermometry in-situ to show that the energy flux from a pulsed plasma serves to both heat and transiently cool the material surface. To identify potential mechanisms for this ‘plasma cooling,’ we employ time-resolved plasma diagnostics to correlate the photon and charged particle flux with the thermal response of the material. The results indicate photon-stimulated desorption of adsorbates from the surface is the most likely mechanism responsible for this plasma cooling.

Suggested Citation

  • John A. Tomko & Michael J. Johnson & David R. Boris & Tzvetelina B. Petrova & Scott G. Walton & Patrick E. Hopkins, 2022. "Plasma-induced surface cooling," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30170-5
    DOI: 10.1038/s41467-022-30170-5
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    References listed on IDEAS

    as
    1. Can Kerse & Hamit Kalaycıoğlu & Parviz Elahi & Barbaros Çetin & Denizhan K. Kesim & Önder Akçaalan & Seydi Yavaş & Mehmet D. Aşık & Bülent Öktem & Heinar Hoogland & Ronald Holzwarth & Fatih Ömer Ilday, 2016. "Ablation-cooled material removal with ultrafast bursts of pulses," Nature, Nature, vol. 537(7618), pages 84-88, September.
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    Cited by:

    1. Nabiel H. Abuyazid & Necip B. Üner & Sean M. Peyres & R. Mohan Sankaran, 2023. "Charge decay in the spatial afterglow of plasmas and its impact on diffusion regimes," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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