Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Current saturation and electrical breakdown in multiwalled carbon nanotubes.

P G Collins1, M Hersam, M Arnold

  • 1IBM T. J. Watson Research Center, Yorktown Heights, New York 10598, USA.

Physical Review Letters
|April 6, 2001
PubMed
Summary

Multiwalled carbon nanotubes (MWNTs) exhibit unique current step failures, unlike metal wires. This failure mechanism, driven by shell destruction and sensitive to air exposure, reveals their high-energy transport limits.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An open letter: In solidarity with all children suffering in wars; to all who hold or share a concern for the wellbeing of children.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2025
Same author

Response: Why solidarity with all children suffering in wars is not antisemitic.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2025
Same author

Bunch length measurement setup for femtocoulomb bunch charges at the superconducting Darmstadt electron linear accelerator S-DALINAC.

The Review of scientific instruments·2025
Same author

Multichannel laser diode to polymer waveguide array coupling with a double-aspheric lens.

Applied optics·2023
Same author

Intra-Arterial Thrombolysis is Associated with Delayed Reperfusion of Remaining Vessel Occlusions following Incomplete Thrombectomy.

AJNR. American journal of neuroradiology·2023
Same author

Applications of machine learning in animal and veterinary public health surveillance.

Revue scientifique et technique (International Office of Epizootics)·2023

Area of Science:

  • Materials Science
  • Nanotechnology
  • Electrical Engineering

Background:

  • Metal wires typically fail gradually due to electromigration under high energy transport.
  • Understanding the failure mechanisms of novel conductors like MWNTs is crucial for advanced applications.

Purpose of the Study:

  • To investigate the high energy transport limits and failure mechanisms in multiwalled carbon nanotubes (MWNTs).
  • To compare the failure behavior of MWNTs with traditional metal wires.

Main Methods:

  • Experimental analysis of high energy transport in MWNTs.
  • Observation and characterization of failure modes under varying conditions (vacuum vs. air).

Main Results:

  • MWNTs fail via discrete current steps, attributed to sequential shell destruction, not continuous electromigration.

Related Experiment Videos

  • Failure initiation is highly sensitive to air exposure, with oxidation playing a key role in ambient conditions.
  • In vacuum, MWNTs withstand significantly higher power densities, reaching their full current carrying capacities.

    • Conclusions:

    • The concentric shell structure of MWNTs dictates a unique, stepwise failure mode under high energy transport.
    • Environmental factors, particularly oxygen, critically influence the power handling capabilities and failure initiation in MWNTs.
    • MWNTs offer superior current carrying capacity in vacuum compared to ambient conditions, highlighting their potential for high-power applications.