Phys. Rev. Lett. 93, 023401 (2004) [4 pages]Structure Determination of Isolated Metal Clusters via Far-Infrared SpectroscopyReceived 19 March 2004; published 7 July 2004 We present a new method for the size selective structure determination of small isolated metal clusters in the gas phase. The technique is applied to cationic vanadium clusters containing 6 to 23 atoms, whose far infrared absorption spectra are measured in the 140–450 cm-1 spectral range. The spectra are unique for each cluster size and are true fingerprints of the cluster's structure. By comparing the experimental spectra to spectra obtained from density-functional theory, the geometric cluster structure can be identified. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.023401
DOI:
10.1103/PhysRevLett.93.023401
PACS:
36.40.Mr, 61.46.+w
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