Scanning tunneling microscopy study of Ag/Ge(1 1 1): Observation of surface reconstruction transformations
2003 (English)In: Surface Science, ISSN 0039-6028, E-ISSN 1879-2758, Vol. 546, no 2-3, L789-L796 p.Article in journal (Refereed) Published
The 6×6 and v39×v39 phases of Ag/Ge(1 1 1) have been studied by scanning tunneling microscopy (STM). Surface atomic structures of the 6×6 and the v39×v39 phase are proposed in terms of additional Ag adatoms on top of a v3×v3 layer described by the honeycomb-chain-trimer (HCT) model. By varying the STM tip bias, the reconstruction can be changed reversibly between the v39×v39 and the 6×6 phase. Besides the switching between two different phases, it is also possible to flip the domain orientation of the v39×v39 phase. The mechanisms of the reconstruction transformation have been discussed in terms of the role of the STM tip. © 2003 Elsevier B.V. All rights reserved.
Place, publisher, year, edition, pages
2003. Vol. 546, no 2-3, L789-L796 p.
Germanium, Metallic surfaces, Scanning tunneling microscopy, Silver, Surface relaxation and reconstruction, Surface structure, morphology, roughness, and topography
Engineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-46409DOI: 10.1016/j.susc.2003.09.036OAI: oai:DiVA.org:liu-46409DiVA: diva2:267305