Quantum properties of atomic-sized conductors
By N. Agrait, A. Levy Yeyati, J. V. van Ruitenbeek. 2002
1,201 citations recorded by the source corpus.
Abstract Using remarkably simple experimental techniques it is possible to gently break a metallic contact and thus form conducting nanowires. During the last stages of the pulling a neck-shaped wire connects the two electrodes, the diameter of which is reduced to single atom upon further stretching. For some metals it is even possible to form a chain of individual atoms in this fashion. Although the atomic structure of contacts can be quite complicated, as soon as the weakest point is reduced to just a single atom the complexity is removed. The properties of the contact are then dominantly determined by the nature of this atom. This has allowed for quantitative comparison of theory and experiment for many properties, and atomic contacts have proven to form a rich test-bed for concepts from mesoscopic physics. Properties investigated include multiple Andreev reflection, shot noise, conductance quantization, conductance fluctuations, and dynamical Coulomb blockade. In addition, pronounced quantum effects show up in the mechanical properties of the contacts, as seen in the force and cohesion energy of the nanowires. We review this research, which has been performed mainly during the past decade, and we discuss the results in the context of related developments.
Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/4c22f4dbc10fafc290bb229d0f68157c4fb4b0e2
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In Atomic and Molecular Physics, and Optics
In Electrical and Electronic Engineering
Citations in the corpus
- The current-phase relation in Josephson junctions (2004, background): “…types of nanoscale contacts by Kleinsasser et al. (1994), van der Post et al. (1994), Vleeming et al. (1994), Takayanagi et al. (1995a, 1995b), Mur et al. (1996), Scheer et al. (1997, 2001), Ludoph et al. (2000), Naveh et al. (2000), Buitelaar et al. (2002, 2003), and Agrait et al. (2003). eIS~w!”
- Electrical conduction through single molecules and self-assembled monolayers (2008, background): “1, the conduction from monatomic wires changes for different metals [88, 92, 97, 99], these changes have to be accounted for.”
- The gold-sulfur interface at the nanoscale. (2012, background): “Although the synthesis yields appreciable amounts of a series of (n,m) clusters such as (10,10), (11,11), (12,12), (15,13), (18,14), (22,16), (22,17), (25,18), (29,20), (33,22), (35,22), (38,24), (39,24), most of them decay on a timescale of a few days either to polymeric (n,n) forms or into (25,18)”