Physics – Atomic and Molecular Clusters
Scientific paper
2001-01-16
Physics
Atomic and Molecular Clusters
5 pages, 3 figures, fig. 2 in color, accepted to Phys. Rev. Lett. (2001)
Scientific paper
10.1103/PhysRevLett.86.2545
The properties of neutral and anionic Pd_N clusters were investigated with spin-density-functional calculations. The ground state structures are three-dimensional for N>3 and they are magnetic with a spin-triplet for 2<=N<=7 and a spin nonet for N=13 neutral clusters. Structural- and spin-isomers were determined and an anomalous increase of the magnetic moment with temperature is predicted for a Pd_7 ensemble. Vertical electron detachment and ionization energies were calculated and the former agree well with measured values for anionic Pd_N clusters.
Barnett Robert N.
Häkkinen Hannu
Landman Uzi
Moseler Michael
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