Angle-resolved photoemission study of oxygen-adsorbed Cr(110)

T. Komeda, Y. Sakisaka, M. Onchi, H. Kato, S. Suzuki, K. Edamoto, Y. Aiura

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13 Citations (Scopus)


The electronic state of oxygen adsorbed on a Cr(110) surface at 80 K has been studied by angle-resolved photoemission spectroscopy with synchrotron radiation. Dissociative chemisorption occurs up to 1/4 2 L, and then oxidation starts at 1/4 4 L, leading to the formation of a disordered Cr2O3 layer. An emission at 1/47.5 eV below the Fermi energy, being attributable to a chemisorbed O2 molecule, was observed at above 1/4 20 L. Dispersion effects on the O2pderived levels were found for the Cr(110)p(4×2)-O and faceted Cr(110)-O surfaces produced by annealing.

Original languageEnglish
Pages (from-to)7345-7348
Number of pages4
JournalPhysical Review B
Issue number11
Publication statusPublished - 1988


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