Electrical breakdown of short multiwalled carbon nanotubes

Makusu Tsutsui, Yu Ki Taninouchi, Shu Kurokawa, Akira Sakai

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23 Citations (Scopus)

Abstract

Electrical breakdown of short (∼50 nm) multiwalled carbon nanotubes (MWNTs) is studied utilizing mechanically controllable break junction technique with gold electrodes. Measurements of the conductance-bias characteristics near the breakdown point revealed two different types of breakdown behavior for the short MWNTs. In one type designated as type I, the conductance increases nearly linearly with the bias and, over the breakdown point, decreases stepwise. On the other hand, in the type-II breakdown, the conductance shows a transient and irreversible increase right before the breakdown and subsequently jumps to zero. We consider that the type-II breakdown in vacuum is contact related, whereas the type-I breakdown occurs through the usual MWNT heating.

Original languageEnglish
Article number094302
JournalJournal of Applied Physics
Volume100
Issue number9
DOIs
Publication statusPublished - 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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