Abstract
Oriented SiC nanowires were prepared by reacting aligned carbon nanotubes with SiO at 1400 °C for 2 h. The orientation, diameter, and length of the oriented SiC nanowires were similar to those of the original aligned carbon nanotubes, suggesting that the carbon nanotubes acted as a template to confine the reaction. The field emission properties of the well-oriented nanowires were measured. Field emission current densities of 10 μA/cm2 were observed at applied fields of 0.7-1.5 V/μm, and current densities of 10 mA/cm2 were realized at applied fields as low as 2.5-3.5 V/μm. The results represent the lowest field ever reported for any field-emitting materials at technologically-useful current densities.
Original language | English |
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Pages (from-to) | 1186-1190 |
Number of pages | 5 |
Journal | Advanced Materials |
Volume | 12 |
Issue number | 16 |
DOIs | |
State | Published - 16 Aug 2000 |
Externally published | Yes |
ASJC Scopus subject areas
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering