Sites for Chemisorption on Oxide Surfaces

OH hydrogen and HBthe hydrogen that split off from the OH (c) same area after a single hop of Hb and (d) after subsequent hop of Hv. Insets exhibit the ball models illustrating the corresponding processes. (Reprinted with permission from Ref. [44]. Copyright 2008, 

Indeed, the importance of Ti3 + interstitials has also been realized in previous in situ STM studies of the reoxidation of Ti02(l 1 0) [52-54]. It is noted that Ti3 + 

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