Sample |
Substrate |
MBE |
Thickness
|
X-ray[0 0 2]
|
X-ray[1 0 4]
|
X-ray[0 0 6]
|
Sapphire substrate |
Annealed sapphire |
28 |
42 | |||
GaN SVT319 |
Un-annealed sapphire |
RF |
0.45 |
408 |
600 |
|
GaN SVT389 |
Annealed sapphire |
RF |
0.98 |
69 |
252 |
|
GaN R6385 |
Annealed sapphire |
NH3 |
0.54 |
60 |
132 |