Current-induced Breakdown of Carbon Nanofibers Under Vacuum and Atmospheric Conditions

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Current-induced breakdown phenomena of carbon nanofibers (CNFs) for the development of carbon-based interconnects are investigated to reveal current-carrying capacity and reliability of CNF devices. Scanning transmission electron microscopy (STEM) techniques are developed to study the structural damage by current stress, including in-situ electrical measurement in STEM. The correlation between maximum current density and electrical resistivity confirms the importance of local Joule heating, showing strong coupling between electrical and thermal transport in CNFs.

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Journal: TechConnect Briefs
Volume: 1, Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
Published: May 20, 2007
Pages: 384 - 387
Industry sector: Advanced Materials & Manufacturing
Topics: Advanced Materials for Engineering Applications
ISBN: 1-4200-6182-8