Analysis of a ZnO surface structure by a combination of leed and X-ray diffraction

The hexagonal LEED pattern obtained from a clean, reconstructed (0001)Zn face of a ZnO crystal could indicate either a (2 × 2) or a (√3 × √3) structure. We prove that we observed a (√3 × √3) pattern by identifying the line of h, h, $\text{2}$h, λ reflections from an X-ray diffraction photograph of the sample.