Single Domain Hexagonal GaN Films on GaAs (100) Vicinal Substrates Grown by Hydride Vapor Phase Epitaxy

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Copyright (c) 1996 The Japan Society of Applied Physics
, , Citation A. Atsushi Yamaguchi et al 1996 Jpn. J. Appl. Phys. 35 L873 DOI 10.1143/JJAP.35.L873

1347-4065/35/7B/L873

Abstract

Hexagonal GaN ( h-GaN) films are grown on GaAs (100) vicinal substrates by hydride vapor phase epitaxy. The substrate misorientation dependence of the crystal structure is investigated by X-ray diffraction measurements using a 4-circle diffractometer. It is found that misorientation toward the <111> B direction is essential for the growth of single domain h-GaN films and that the c-axis of the single domain h-GaN orients to the GaAs <111> B direction.

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10.1143/JJAP.35.L873