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 Concept Videos

Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker proteins that...

You might also read

Related Articles

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

Sort by
Same author

Monolithic Integration of Carbon Nanotube-Based Complementary Field-Effect Transistors with 3D-Stacked Photodiodes for Unified Sensing and Computing.

ACS nano·2026
Same author

Exciton dispersion fine structure and deep ultraviolet optical conductivity of freestanding two-dimensional h-BN.

Nature communications·2026
Same author

Fermi-level depinning achieved by high-work-function Au<sub>1-x</sub>Se<sub>x</sub> alloy contacts for high-performance p-type WSe<sub>2</sub> transistors.

Nature communications·2026
Same author

Confined growth of armchair MoS<sub>2</sub> nanotubes at the 1-nm limit.

Science (New York, N.Y.)·2026
Same author

Confinement-Driven Redox Inversion and Predicted Ferromagnetism in One-Dimensional Sc<sub>3</sub>Cl<sub>8</sub> within Single-Walled Carbon Nanotubes.

Nano letters·2026
Same author

Selective Defect Engineering for Gate-Controlled yet Contact-Transparent Bi<sub>2</sub>O<sub>2</sub>Se Transistors.

ACS nano·2026

Related Experiment Video

Updated: Jul 7, 2026

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy
08:10

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy

Published on: February 5, 2017

Vacancy migrations in carbon nanotubes.

Chuanhong Jin1, Kazu Suenaga, Sumio Iijima

  • 1Research Center for Advanced Carbon Materials, National Institute of AdvancedIndustrial Science and Technology, Central 5, Tsukuba 305-8565, Japan. chuanhong-jin@aist.go.jp

Nano Letters
|February 19, 2008
PubMed
Summary

Vacancy defects in carbon nanotubes were observed using in situ TEM. These defects grow and coalesce at high temperatures, suggesting reduced activation barriers from electromigration or irradiation effects.

More Related Videos

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry
14:09

Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

Published on: December 12, 2013

Related Experiment Videos

Last Updated: Jul 7, 2026

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy
08:10

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy

Published on: February 5, 2017

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology
09:20

Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

Published on: December 7, 2015

Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry
14:09

Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

Published on: December 12, 2013

Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid State Physics

Background:

  • Understanding defect dynamics is crucial for carbon nanotube (CNT) applications.
  • Vacancy defects can significantly alter CNT properties.
  • Previous studies lacked direct observation of defect evolution at elevated temperatures.

Purpose of the Study:

  • To directly monitor the behavior of vacancy defects in CNTs at high temperatures.
  • To investigate the growth, migration, and coalescence mechanisms of these defects.
  • To elucidate the factors influencing defect dynamics.

Main Methods:

  • In situ high-resolution transmission electron microscopy (HRTEM).
  • Controlled heating experiments (Joule heating).
  • Analysis of defect formation and evolution under electron beam irradiation.

Main Results:

  • Adatom-vacancy pair defects were initially observed due to knock-on damage.
  • Induced vacancies grew to 1-2 nm in size under Joule heating.
  • Observed migration and coalescence of large vacancies ('holes') into even larger structures.

Conclusions:

  • High temperatures significantly influence vacancy defect behavior in CNTs.
  • Electromigration and/or irradiation effects likely lower the activation barrier for defect migration and coalescence.
  • These findings provide insights into CNT stability and potential degradation mechanisms.