Title
Self-Organization Of Ge Tetramers On Ag(0 0 1) Surface: A 2D Realization Of Unusual Substrate Mediated Interactions
Keywords
Construction and use of effective interatomic interactions; Diffusion and migration; Germanium; Ising models; Scanning tunneling microscopy; Self-assembly; Surface structure, morphology, roughness, and topography; Surface thermodynamics
Abstract
Scanning tunneling microscopy (STM) images recorded during dissolution of a half-monolayer Ge on a Ag(0 0 1) show that it proceeds by the disappearance of tetramer entities. Moreover, they reveal that the successive slowing down in the kinetics, observed during this dissolution, correspond to the formation of ordered 2D arrangements of tetramer vacancies. A lattice gas analysis of the latter predicts a very unusual sequence of pair interactions between these vacancies, probably mediated by the substrate. © 2007 Elsevier B.V. All rights reserved.
Publication Date
1-15-2008
Publication Title
Surface Science
Volume
602
Issue
2
Number of Pages
506-510
Document Type
Article
Personal Identifier
scopus
DOI Link
https://doi.org/10.1016/j.susc.2007.10.053
Copyright Status
Unknown
Socpus ID
38349185362 (Scopus)
Source API URL
https://api.elsevier.com/content/abstract/scopus_id/38349185362
STARS Citation
Oughaddou, Hamid; Aufray, Bernard; Bibérian, Jean Paul; Ealet, Bénédicte; and Lay, Guy Le, "Self-Organization Of Ge Tetramers On Ag(0 0 1) Surface: A 2D Realization Of Unusual Substrate Mediated Interactions" (2008). Scopus Export 2000s. 10442.
https://stars.library.ucf.edu/scopus2000/10442