Abstract

The stability of metallic nanowires is studied byanalysing the shell- and supershell structures of total energyoscillations. Fully quantum-mechanical calculations areperformed for Cs, Na and Al nanowires covering the whole rangeof valence electron densities in simple metals. Nanowires aremodelled as infinite stabilized jellium cylinders and solving fortheir electronic structure self-consistently. The results areanalysed within a semiclassical model. A comparison between theshell structures of nanowires and atomic clusters is made.

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