Novel metalorganic chemical vapor deposition system for GaN growth
- 6 May 1991
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 58 (18) , 2021-2023
- https://doi.org/10.1063/1.105239
Abstract
A novel metalorganic chemical vapor deposition (MOCVD) system, which has two different flows, has been developed. One flow carries a reactant gas parallel to the substrate, and the other an inactive gas perpendicular to the substrate for the purpose of changing the direction of the reactant gas flow. The growth of a GaN film was attempted using this system, and a high quality, uniform film was obtained over a 2 in. sapphire substrate. The carrier concentration and Hall mobility are 1×1018/cm3 and 200 cm2/V s, respectively, which are the highest for GaN films grown directly on a sapphire substrate by the MOCVD method.Keywords
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