High quality AIN and GaN epilayers grown on (00⋅1) sapphire, (100), and (111) silicon substrates
- 29 May 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (22) , 2958-2960
- https://doi.org/10.1063/1.114242
Abstract
The growth of high quality AlN and GaN thin films on basal plane sapphire, (100), and (111) silicon substrates is reported using low pressure metalorganic chemical vapor deposition. X‐ray rocking curve linewidths of about 100 and 30 arcsec were obtained for AlN and GaN on sapphire, respectively. Room‐temperature optical transmission and photoluminescence (of GaN) measurements confirmed the high quality of the films. The luminescence at 300 and 77 K of the GaN films grown on basal plane sapphire, (100), and (111) silicon was compared.Keywords
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