Fig. 76: In-plane measurements along the (h,h,0.06) (a, b and c) and the (h,0,0.06) (d, e and f) directions of the NiO(111) surface after air annealing (a and d), UHV annealing (b and e) and after in situ oxidation (c and f). Note that the strong CTR's of NiO are present in the (h,0,0.06) direction showing again that the topmost surface planes of NiO(111) are very well defined. The curves were shifted for purposes of clarity but the relative intensities are comparable. Ordinate scale is logarithmic.

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