Growth of Aluminum Oxide Whiskers by Vapor Deposition
- 1 November 1959
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 31 (5) , 1256-1257
- https://doi.org/10.1063/1.1730579
Abstract
The growth of aluminum oxide crystals has been observed in progress at 80X magnification with a stereo‐microscope. Hydrogen is passed over an aluminum‐oxide rod heated by a surrounding tungsten coil. As the hot products diffuse to the cooler region around the reaction zone, the reaction reverses to grow aluminum‐oxide crystals. This system is of particular interest since it allows the screw dislocation theory of crystal growth to be examined in great detail on a high‐temperature system.Keywords
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