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Adatom and rest-atom contributions in Ge(111)c(2×8) and Ge(111)-Sn(7×7) core-level spectra
KTH, Superseded Departments, Physics.
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1993 (English)In: Physical Review B, ISSN 01631829 (ISSN), Vol. 48, no 3, 2012-2015 p.Article in journal (Refereed) Published
Abstract [en]

We have identified the adatom contribution in the Ge 3d core-level spectra from the clean Ge(111)c(2×8) surface, shifted 0.17 eV to higher binding energy compared to the bulk. This adatom component vanishes in the Ge(111)-Sn(7×7) surface core-level spectra where Sn occupies the adatom site. Moreover we report the observation of an earlier proposed difference between the rest atoms in the c(2×8) structure, and also a shift to lower binding energy for the rest atoms in both structures studied. © 1993 The American Physical Society.

Place, publisher, year, edition, pages
1993. Vol. 48, no 3, 2012-2015 p.
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-83045DOI: 10.1103/PhysRevB.48.2012OAI: diva2:498707
Correspondence Address: Göthelid, M.; Department of Physics, Material Physics, Royal Institute of Technology, S-10044 Stockholm, Sweden NR 20140805Available from: 2012-02-12 Created: 2012-02-12 Last updated: 2012-02-12Bibliographically approved

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