Determination of the bonding configuration of the metastable molecular oxygen adsorbed on a Si(111)-(7×7) surface
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
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
Engineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-47879DOI: 10.1103/PhysRevB.65.201309ISI: 000176066600016OAI: oai:DiVA.org:liu-47879DiVA: diva2:268775