Conductance oscillations in metallic nanocontacts

Details Conductance oscillations in metallic nanocontacts Conductance oscillations in metallic nanocontacts

2002-05-02

arxiv.org/abs/cond-mat/0205032v1

Physics

Condensed Matter

5 pages, 7 figures

Scientific paper

10.1103/PhysRevB.66.075401

We examine the conductance properties of a chain of Na atoms between two metallic leads in the limit of low bias. Resonant states corresponding to the conductance channel and the local charge neutrality condition cause conductance oscillations as a function of the number of atoms in the chain. Moreover, the geometrical shape of the contact leads influences the conductivity by giving rise to additional oscillations as a function of the lead opening angle.

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