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We have studied the effect of an extended array of steps on the two-dimensional phase behavior of chemisorbed oxygen overlayers on a vicinal nickel surface using low energy electron diffraction (LEED), Auger electron spectroscopy, and scanning tunneling microscopy. Phase behavior of oxygen on the vicinal Ni(977) surface was examined and compared with that for oxygen adsorbed on the flat Ni(111) surface...
Medium energy ion scattering using 100 keV H + ions, has been used to investigate the structure of the (2x1) and (1x1) chemisorbed phases of atomic oxygen on Ru(0001), aided by a new automated structural search routine. In both phases the O is found to occupy hcp hollow sites directly above second layer Ru atoms, while in the (1x1)-O surface the oxygen chemisorption induces an expansion of...
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