Display Settings:

Format

Send to:

Choose Destination
See comment in PubMed Commons below
J Nanosci Nanotechnol. 2008 Aug;8(8):3999-4002.

High-temperature stability of silicon carbide nanowires.

Author information

  • 1Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.

Abstract

The paper reports morphology and structure transitions of silicon carbide (SiC) nanowires during high temperature annealing; the as-prepared nanowires are in the form of SiC core and SiO2 shell. The transition temperature is about 1200 degrees C, 600 degrees C lower than that of SiC microfibers, and it starts with the formation of junctions of individual nanowires. The junctions grow into webs while the crystalline SiC cores of the nanowires oxidize. The growth and the oxidation eventually lead to the formation of an oxide film, when the transition completes. The thermal stability and the transition mechanisms of SiC nanowires are critical to their applications in high temperature environments.

PMID:
19049165
[PubMed]
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Loading ...
    Write to the Help Desk