A combinate experimental and theorical study of the generation of palladium clusters on Au(111) with a scanning tunnelling microscope

M. G. DEL PÓPOLO; E. P. M. LEIVA; H. KLEINE; J. MEIER; U. STIMMING; M. M. MARISCAL; W. SCHMICKLER

ELECTROCHIMICA ACTA

Elsevier

Año: 2003 vol. 48 p. 1287 - 1287

0013-4686

alladium clusters have been deposited on the surface of a Au(111) electrode with the tip of a scanning tunnelling microscope. Thedistance over which the tip was moved towards the surface has a decisive influence on the properties of the clusters: the larger thisdistance, the larger the generated clusters, and the more stable they are. These findings are supported by computer simulations,which further suggest that the larger clusters contain a sizable amount of gold, which enhances their stability. Dissolution of theclusters occurs from the edges rather than layer by layer.