Physics – Condensed Matter – Materials Science
Scientific paper
2008-10-14
Physics
Condensed Matter
Materials Science
8 pages, 7 figures
Scientific paper
10.1103/PhysRevB.78.245427
Cesium adsorption structures on Ag(111) were characterized in a low-temperature scanning tunneling microscopy experiment. At low coverages, atomic resolution of individual Cs atoms is occasionally suppressed in regions of an otherwise hexagonally ordered adsorbate film on terraces. Close to step edges Cs atoms appear as elongated protrusions along the step edge direction. At higher coverages, Cs superstructures with atomically resolved hexagonal lattices are observed. Kinetic Monte Carlo simulations model the observed adsorbate structures on a qualitative level.
Berndt Ryan
Bonitz Michael
Filinov Alexei
Kroeger Joerg
Ziegler Martin
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