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Direct imaging of Joule heating dynamics and temperature profiling inside a carbon nanotube interconnect

Author

Listed:
  • Pedro M.F.J. Costa

    (CICECO, University of Aveiro, Aveiro 3810-193, Portugal.
    IFW Dresden, Helmholtzstrasse 20, Dresden 01069, Germany.)

  • Ujjal K. Gautam

    (MANA, National Institute for Materials Science, Ibaraki 305-0044, Japan.
    Present address: New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, India.)

  • Yoshio Bando

    (MANA, National Institute for Materials Science, Ibaraki 305-0044, Japan.)

  • Dmitri Golberg

    (MANA, National Institute for Materials Science, Ibaraki 305-0044, Japan.)

Abstract

Understanding resistive (or Joule) heating in fundamental nanoelectronic blocks, such as carbon nanotubes, remains a major challenge, particularly in regard to their structural and thermal variations during prolonged periods of electrical stress. Here we show real-time imaging of the associated effects of Joule heating in the channel of carbon nanotube interconnects. First, electrical contacts to nanotubes entirely filled with a sublimable material are made inside a transmission electron microscope. On exposure to a high current density, resistive hotspots are identified on (or near) the contact points. These later migrate and expand along the carbon nanotube, as indicated by the localized sublimation of the encapsulated material. Using the hotspot edges as markers, it is possible to estimate the internal temperature profiles of the nanotube. Simple and direct, our method provides remarkable spatial and temporal insights into the dynamics of resistive hotspots and millisecond-paced thermal variations occurring inside nanoscaled tubular interconnects.

Suggested Citation

  • Pedro M.F.J. Costa & Ujjal K. Gautam & Yoshio Bando & Dmitri Golberg, 2011. "Direct imaging of Joule heating dynamics and temperature profiling inside a carbon nanotube interconnect," Nature Communications, Nature, vol. 2(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1429
    DOI: 10.1038/ncomms1429
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    Cited by:

    1. Monika Rdest & Dawid Janas, 2021. "Carbon Nanotube Films for Energy Applications," Energies, MDPI, vol. 14(7), pages 1-27, March.
    2. Soukane, Sofiane & Son, Hyuk Soo & Mustakeem, Mustakeem & Obaid, M. & Alpatova, Alla & Qamar, Adnan & Jin, Yong & Ghaffour, Noreddine, 2022. "Materials for energy conversion in membrane distillation localized heating: Review, analysis and future perspectives of a paradigm shift," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).

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