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Atomic size oscillations in conductance histograms for gold nanowires and the influence of work hardening
I. K. Yanson, O. I. Shklyarevskii, Sz. Csonka +4
Nanowires of different nature have been shown to self-assemble as a function of stress at the contact between two macroscopic metallic leads. Here we demonstrate for gold wires tha…
Electronic shell effects and the stability of alkali nanowires
D. F. Urban, J. Bürki, A. I. Yanson +4
Experimental conductance histograms for Na nanowires are analyzed in detail and compared to recent theoretical results on the stability of cylindrical and elliptical nanowires, usi…
Shell-effects in heavy alkali-metal nanowires
A. I. Yanson, I. K. Yanson, J. M. van Ruitenbeek
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…
Conductance of single-atom platinum contacts: Voltage-dependence of the conductance histogram
S. K. Nielsen, Y. Noat, M. Brandbyge +6
The conductance of a single-atom contact is sensitive to the coupling of this contact atom to the atoms in the leads. Notably for the transition metals this gives rise to a conside…
Calibration of the length of a chain of single gold atoms
C. Untiedt, A. I. Yanson, R. Grande +4
Using a scanning tunneling microscope or mechanically controllable break junctions it has been shown that it is possible to control the formation of a wire made of single gold atom…
Crossover from Electronic to Atomic Shell Structure in Alkali Metal Nanowires
A. I. Yanson, I. K. Yanson, J. M. van Ruitenbeek
After making a cold weld by pressing two clean metal surfaces together, upon gradually separating the two pieces a metallic nanowire is formed, which progressively thins down to a…