Field emission from individual B-C-N nanotube rope

P. Dorozhkin, D. Golberg, Y. Bando, Z. C. Dong

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

The field-emission characteristics of individual ropes made of B-C-N nanotubes were measured in situ in a low-energy electron point source microscope. The tungsten field emission tip of the microscope was used as a movable electrode, approaching the rope, and acting as an anode during field-emission measurements. The atomic structure and chemical composition of the ropes were analyzed by high-resolution transmission electron microscopy and electron energy-loss spectroscopy. The tubes assembled within the ropes typically revealed open-tip ends, a small number of layers and zigzag chirality. We found that the field-emission properties of the B-C-N nanotube ropes are competitive with conventional C nanotubes, with the expected additional benefit that the B-C-N ropes exhibit higher environmental stability.

Original languageEnglish
Pages (from-to)1083-1085
Number of pages3
JournalApplied Physics Letters
Volume81
Issue number6
DOIs
Publication statusPublished - 5 Aug 2002
Externally publishedYes

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