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The initial oxidation of Rh(100) has been studied using high resolution core level spectroscopy, low energy electron diffraction, surface x-ray diffraction, scanning tunneling microscopy, and density functional theory. We report a structural study of an oxygen induced structure displaying a c(8×2) periodicity at an oxygen pressure above 10^-50.3em0exmbar and using a sample temperature of 7000.3em0exK. Our experimental and theoretical data demonstrate that this structure is due to the formation of a thin surface oxide with a hexagonal trilayer O-Rh-O structure.
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Gustafson et al. (2005) studied this question.
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