Journal
SURFACE SCIENCE
Volume 600, Issue 18, Pages 3917-3920Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2006.04.007
Keywords
scanning tunneling microscopy; self-assembly; surface electronic phenomena
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We have studied by scanning tunneling microscopy (STM) the effect of the reconstruction of a stepped Au(111) surface on the growth of silver sub-monolayer deposition. For narrow terraces, the reconstruction is disturbed and its pattern changes, Ag growth is therefore influenced. Thus growth of Ag on Au(788) vicinal surface can be controlled and leads to the formation of a highly ordered superlattice of nanostructures. Moreover, we show by tunneling conductance images that Ag islands exhibit electronic confinement effects of the Shockley surface state. Due to the homogeneity of their shapes and sizes, all the nanostructures of the self-assembled superlattice should exhibit similar electronic properties. (c) 2006 Elsevier B.V. All rights reserved.
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