Figure 2

(a) High resolution X-ray diffraction 2θ − ω scans of the two grown samples. (b) High resolution X-ray diffraction ω-scans of the two grown samples along the GaN (0002) reflections.

(a) High resolution X-ray diffraction 2θ − ω scans of the two grown samples. (b) High resolution X-ray diffraction ω-scans of the two grown samples along the GaN (0002) reflections.