RESEARCH DATA for Lok Yi Lee, Martin Frentrup, Menno J Kappers, Rachel A Oliver, Colin J Humphreys, and David J Wallis "Effect of growth temperature and V/III-ratio on the surface morphology of MOVPE-grown cubic zincblende GaN" Figure 11: Relative intensities of the zb-GaN XRD peaks for samples in the V/III-ratio series at a constant growth temperature of 875 °C. V/III-ratio Zincblende content AbsError 1 % % 15 100 0.5 23 99.86 0.5 38 99.35 0.5 76 98.95 0.5 152 98.65 0.5 300 98.45 0.5 600 93.79 0.5 1200 81.01 0.5