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Determination of the bonding configuration of the metastable molecular oxygen adsorbed on a Si(111)-(7×7) surface
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Graduate School of Material Science, Nara Institute of Science and Technology, Japan.
Department of Physics, Graduate School of Science, Tohoku University, Japan.
Atomic-Scale Surface Science Research Center and Institute of Physics and Applied Physics, Yonsei University, Seoul, Korea.
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2002 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 65, no 20Article in journal (Refereed) Published
Abstract [en]

The initial adsorption stage of oxygen on a Si(111)-(7×7) surface has been investigated using real time high-resolution core-level measurements at 100 K. Among the six O 1s components observed on an O2 exposed Si(111) surface, the three components, whose intensities saturate at the same dosage, have the same lifetime. These results lead to a conclusion that three oxygen atoms with different chemical environments compose the metastable species. Based on a comparison with our calculated O 1s binding energies, we have determined the bonding configuration of the metastable oxygen.

Place, publisher, year, edition, pages
2002. Vol. 65, no 20
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-47879DOI: 10.1103/PhysRevB.65.201309ISI: 000176066600016OAI: diva2:268775
Available from: 2013-03-27 Created: 2009-10-11 Last updated: 2013-03-27Bibliographically approved

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