Heteroepitaxial Growth of GaN1-xPx(x\lesssim0.06) on Sapphire Substrates
- 1 May 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (5R)
- https://doi.org/10.1143/jjap.27.790
Abstract
Gallium nitride phosphide (GaN1-x P x ) was epitaxially deposited on (0001) sapphire substrates by the vapor phase reaction of the Ga–Br2–NH3–PH3–N2 system. It was found that the composition x and the growth rate of the GaN1-x P x single crystal strongly depend on the substrate temperature and the flow rate of PH3 introduced into a reaction tube. The composition x increased with decreasing substrate temperature. The maximum composition x obtained was 0.064 at a substrate temperature of 1000degC. The growth rate increased with increasing flow rate of PH3 introduced into the reaction tube. At a substrate temperature of 1030degC, the growth rate of GaN1-x P x (x≈0.05) was 22 times larger than that of GaN. The diffraction lines observed on back-reflection divergent beam patterns of the GaN1-x P x single crystal were broad and did not show the separation due to Kα1 and Kα2 radiation.Keywords
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