Carrier carrying capacity of one-step grown suspended carbon nanotube bridge with carbon nanotube contact electrodes

For practical one-dimensional electronics

Yun-Hi Lee, Jong Hee Lee, S. J. Chung, Sang Hoon Lee, Byeong Kwon Ju

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The authors report the carrier transport and electrical breakdown behaviors of micron-long-channel suspended carbon nanotube (CNT) of carbon-based one-dimensional junction with CNTs as drain and source electrodes. The structure consisted of bundle-type CNT electrode-a CNT channel-bundle-type CNT electrode, produced by one-step in situ direct growth via a unique diluted magnetic nanothick film catalyst at low temperature. The unique suspended all-one-dimensional CNT-based junction provides some insights into recent reports that an electrical breakdown of CNTs can be induced not by the contact problem but by the nonhomogeneously Joule heating along nanotube without release of heat into contacts by the observed breakdown at midlength of a 1-2 μm long channel. The high current carrying all-CNT junction with bridging yield of 90% and stable operation at fixed voltage level can contribute into realization of practical integrated nanoelectronics such as interconnecter and transistor via junction formation of one-step final process.

Original languageEnglish
Article number073109
JournalApplied Physics Letters
Volume89
Issue number7
DOIs
Publication statusPublished - 2006 Aug 25

Fingerprint

carbon nanotubes
electrodes
electronics
electrical faults
bundles
breakdown
junction transistors
magnetic films
Joule heating
high current
nanotubes
catalysts
heat
carbon
electric potential

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

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title = "Carrier carrying capacity of one-step grown suspended carbon nanotube bridge with carbon nanotube contact electrodes: For practical one-dimensional electronics",
abstract = "The authors report the carrier transport and electrical breakdown behaviors of micron-long-channel suspended carbon nanotube (CNT) of carbon-based one-dimensional junction with CNTs as drain and source electrodes. The structure consisted of bundle-type CNT electrode-a CNT channel-bundle-type CNT electrode, produced by one-step in situ direct growth via a unique diluted magnetic nanothick film catalyst at low temperature. The unique suspended all-one-dimensional CNT-based junction provides some insights into recent reports that an electrical breakdown of CNTs can be induced not by the contact problem but by the nonhomogeneously Joule heating along nanotube without release of heat into contacts by the observed breakdown at midlength of a 1-2 μm long channel. The high current carrying all-CNT junction with bridging yield of 90{\%} and stable operation at fixed voltage level can contribute into realization of practical integrated nanoelectronics such as interconnecter and transistor via junction formation of one-step final process.",
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