Shell-effects in heavy alkali-metal nanowires

Details Shell-effects in heavy alkali-metal nanowires Shell-effects in heavy alkali-metal nanowires

2004-05-06

arxiv.org/abs/cond-mat/0405112v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 11 figures, Proc. NATO Advanced Research Workshop "Molecular nanowires and other quantum objects", Bled, Slovenia, 6-

Scientific paper

We supplement our previous observations of the shell effect in alkali-metal nanowires (Li, Na, K) with data extended to the heavy alkalis Rb and Cs. Our observations include: i) a non-monotonous dependence of conductance-histogram peak heights on atomic weight, ii) a rapid transition to an atomic shell structure at elevated temperatures, and iii) a ''reverse'' atomic-electronic shell transition, caused by the closeness to the liquid state.

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