Issue 3, 2025

Electromigration-driven linear actuator operations of Co nanorods inside and outside multi-walled carbon nanotubes with stroke of tens of nanometers

Abstract

Solid Co nanorod fillers were pushed out of multi-walled carbon nanotubes via electromigration and their behaviors were observed in situ by transmission electron microscopy. When a solid Co nanorod was pushed out, the portion outside the nanotube increased in diameter. The behavior of the plastic deformation depended on the crystal orientation of the Co nanorod filler. When the direction of the electron flow was reversed, the Co nanorod was pulled into the host nanotube. In one trial, the Co nanorod was split into two portions inside the nanotube near one of the electrodes.

Graphical abstract: Electromigration-driven linear actuator operations of Co nanorods inside and outside multi-walled carbon nanotubes with stroke of tens of nanometers

Supplementary files

Article information

Article type
Paper
Submitted
13 Sep 2024
Accepted
02 Dec 2024
First published
03 Dec 2024
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2025,7, 784-789

Electromigration-driven linear actuator operations of Co nanorods inside and outside multi-walled carbon nanotubes with stroke of tens of nanometers

S. Matsuyama and H. Kohno, Nanoscale Adv., 2025, 7, 784 DOI: 10.1039/D4NA00766B

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