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The interaction and reaction between oxygen and hydrogen on Ni(110) has been studied by STM. For O and H surface coverages below 1/2 ML, coadsorption experiments at 300 K indicate that there is a large local repulsion between the differing species, which consequently phase separate into (2 1)-O and (1 2)-H structural domains. However, if the O surface concentration is at or above 1/2 ML, adsorption...
The interaction of benzene (C 6 H 6 ) with a Ni(110) surface with preadsorbed oxygen has been investigated in ultra-high vacuum at room temperature (RT) using scanning tunneling microscopy (STM). At an initial O coverage of ∼0.30 monolayers, the benzene induces a compression of the -Ni-O- added rows from a (3 1) to a (2 1) structure, and the C 6 H 6 molecules...
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