Local temperature measurements on nanoscale materials using a movable nanothermocouple assembled in a transmission electron microscope

Naoyuki Kawamoto, Ming Sheng Wang, Xianlong Wei, Dai Ming Tang, Yasukazu Murakami, Daisuke Shindo, Masanori Mitome, Dmitri Golberg

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A nanoscale thermocouple consisting of merged Cu and Cu-Ni tips is developed for local temperature measurements on advanced nanomaterials by using a probing technique in a high-resolution transmission electron microscope (TEM) equipped with a double probe scanning tunneling microcopy (STM) unit. The fabricated nanothermocouple works as the so-called T-type thermocouple and displays a quick response and high spatial and thermal resolutions. A generated thermoelectromotive force which reflects rapid temperature changes controlled by electron beam intensity alternations on a metal nanoelectrode proves the technique's usefulness for high-precision local temperature measurements. The developed method demonstrates the effectiveness while also measuring temperature changes in Joule heated multi-walled carbon nanotubes (CNTs) and in a modeled electrical conductive composite nanosystem.

Original languageEnglish
Article number485707
JournalNanotechnology
Volume22
Issue number48
DOIs
Publication statusPublished - Dec 2 2011

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Thermocouples
Temperature measurement
Electron microscopes
Nanosystems
Carbon Nanotubes
Nanostructured materials
Electron beams
Carbon nanotubes
Metals
Scanning
Temperature
Composite materials
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Local temperature measurements on nanoscale materials using a movable nanothermocouple assembled in a transmission electron microscope. / Kawamoto, Naoyuki; Wang, Ming Sheng; Wei, Xianlong; Tang, Dai Ming; Murakami, Yasukazu; Shindo, Daisuke; Mitome, Masanori; Golberg, Dmitri.

In: Nanotechnology, Vol. 22, No. 48, 485707, 02.12.2011.

Research output: Contribution to journalArticle

Kawamoto, Naoyuki ; Wang, Ming Sheng ; Wei, Xianlong ; Tang, Dai Ming ; Murakami, Yasukazu ; Shindo, Daisuke ; Mitome, Masanori ; Golberg, Dmitri. / Local temperature measurements on nanoscale materials using a movable nanothermocouple assembled in a transmission electron microscope. In: Nanotechnology. 2011 ; Vol. 22, No. 48.
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