Detection of electronic-shell structure in divalent-metal clusters (Hg)n

Details Detection of electronic-shell structure in divalent-metal clusters (Hg)n Detection of electronic-shell structure in divalent-metal clusters (Hg)n

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvb..48.4741i&link_type=abstract

Physical Review B (Condensed Matter), Volume 48, Issue 7, August 15, 1993, pp.4741-4745

Physics

Condensed Matter

6

Scientific paper

The electronic-shell structure in divalent-metal clusters (Hg)n was observed from the size distribution of mercury-cesium clusters, (Hg)nCs+. The cluster ions (Hg)nCs+ were produced by Cs+ ion bombardment of an amalgam of mercury and silver, and the mass analysis was performed using a grand-scale sector mass spectrometer. For the cluster size n>40, the spectral behavior exhibited consecutive hills and valleys, which was interpreted in terms of electronic-shell structure of pure mercury clusters (Hg)n. The evidence for electronic-shell structure of clusters containing up to 1500 valence electrons was clearly shown. The presumptive evidence for the phase shift of magic numbers theoretically expected from a quantum beating effect were found at the region of the cluster size around n=500.

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