Conductance fluctuations as a tool for investigating the quantum modes in atomic-size metallic contacts

B. Ludoph and J. M van Ruitenbeek
Phys. Rev. B 61, 2273 – Published 15 January 2000
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Abstract

Recently it has been observed that the conductance fluctuations of atomic-size gold contacts are suppressed when the conductance is equal to an integer multiple of the conductance quantum. The fact that these contacts tend to consist exclusively of fully open or closed modes has been argued to be the origin for this suppression. Here the experiments have been extended to a wide range of metallic elements with different chemical valences, and they provide information about the relation between the mode composition and statistically preferred conductance values observed in conductance histograms.

  • Received 6 July 1999

DOI:https://doi.org/10.1103/PhysRevB.61.2273

©2000 American Physical Society

Authors & Affiliations

B. Ludoph and J. M van Ruitenbeek

  • Kamerlingh Onnes Laboratorium, Universiteit Leiden, Postbus 9504, 2300 RA Leiden, The Netherlands

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Vol. 61, Iss. 3 — 15 January 2000

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