Supported magnetic nanoclusters: Softlanding of Pd clusters on a MgO surface

Details Supported magnetic nanoclusters: Softlanding of Pd clusters on a MgO surface Supported magnetic nanoclusters: Softlanding of Pd clusters on a MgO surface

2002-08-16

arxiv.org/abs/cond-mat/0208321v1

Physics

Condensed Matter

Materials Science

5 pages, 2 figs, Phys.Rev.Lett., accepted

Scientific paper

10.1103/PhysRevLett.89.176103

Low-energy deposition of neutral Pd_N clusters (N=2-7 and 13) on a MgO(001) surface F-center (FC) was studied by spin-density-functional molecular dynamics simulations. The incident clusters are steered by an attractive "funnel" created by the FC, resulting in adsorption of the cluster, with one of its atoms bonded atop of the FC. The deposited Pd_2-Pd_6 clusters retain their gas-phase structures, while for N>6 surface-commensurate isomers are energetically more favorable. Adsorbed clusters with N > 3 are found to remain magnetic at the surface.

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