Shell-effects in heavy alkali-metal nanowires

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 sh...

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Bibliographic Details
Published inarXiv.org
Main Authors Yanson, A I, Yanson, I K, van Ruitenbeek, J M
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 06.05.2004
Subjects
Alkali metals
Alkalies
Atomic properties
Atomic structure
Dependence
High temperature
Histograms
Nanowires
Resistance
Shells
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Summary: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.
ISSN:2331-8422