Scanning tunneling microscopy of ordered coated cluster layers on graphite
- 17 November 1997
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 71 (20) , 2940-2942
- https://doi.org/10.1063/1.120222
Abstract
Surfactant stabilized gold clusters have been deposited on graphite and studied with scanning tunneling microscopy in vacuum. Cluster layers with a superlattice constant of ≈31 Å were found, extending over several micrometers. The clusters form a hexagonal lattice which is ordered over distances of about 100 Å. At low sample biases (<0.75 V) the clusters are not imaged, consistent with a Coulomb blockade effect.Keywords
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