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Carbon nanotubes based position sensors

  • Pou Liu
  • , Lixin Dong
  • , Toshio Fukuda
  • , Fumihito Arai
  • , Moeto Nagai
  • , Yoshiaki Imaizumi

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Prototypes of individual carbon nanotube (CNT) based position sensors are presented on the bases of the field emission from a nanotube emitter, a telescoping (inter-layer sliding) multi-walled nanotube and a sliding nanotube on an Au substrate. These sensors are constructed by nanomanipulation and featured by their compact sizes, simple structures, and potential high resolutions. Field emission based one is characterized by the non-contact configuration and suitable for an approximate sensor or as a position detector for other kinds of sensors. Telescoping motion based nanotube sensors have potentially subnanometer resolution and fit well for a nano-encoder because of their potentially quantized interlayer coupling resistance. Unidirectional and reciprocating telescopic motions have been realized and the resistance has been found changing linearly with the telescoping length. The perfect linearity of the resistance of a nanotube sliding on an Au substrate promises it the highest resolution in the presented three types. However, the contact nature limits its applications.
Original languageEnglish
Title of host publicationProceedings of the 2004 International Conference on Intelligent Mechatronics and Automation
PublisherIEEE
Pages12-17
ISBN (Print)0-7803-8748-1
DOIs
Publication statusPublished - Aug 2004
Externally publishedYes
Event2004 International Conference on Intelligent Mechatronics and Automation (ICIMA 2004) - University of Electronic Science and Technology of China (UESTC), Chengdu, China
Duration: 26 Aug 200431 Aug 2004
https://ieeexplore.ieee.org/xpl/conhome/9505/proceeding

Publication series

NameProceedings - 2004 International Conference on Intelligent Mechatronics and Automation

Conference

Conference2004 International Conference on Intelligent Mechatronics and Automation (ICIMA 2004)
Abbreviated titleICIMA2004
PlaceChina
CityChengdu
Period26/08/0431/08/04
Internet address

Research Keywords

  • Carbon nanotube
  • Field emission
  • Nanorobotic manipulation
  • Position sensor
  • Telescoping

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