Abstract
The resistance of wires consisting of 1--3 atoms connecting two semi-infinite metallic electrodes is calculated for both small and large bias. The wires discussed consist of Al atoms, with one of the Al atoms substituted by S in certain cases. The resistances obtained are in the range 7--\ensuremath{\sim}30 k\ensuremath{\Omega}. For the three-atom wire, the value of the resistance when the S atom is present depends on the order of the atoms in the wire. When the S is an end atom, the resistance at larger bias also shows a dependence on polarity (diode behavior). These studies involve a self-consistent calculation of the electron density distribution for the entire electrode/wire system.
Keywords
Atom (system on chip)Atomic physicsMaterials scienceOmegaElectrodeMetalElectronRange (aeronautics)Condensed matter physicsDiodePhysicsOptoelectronicsQuantum mechanics
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Publication Info
- Year
- 1995
- Type
- article
- Volume
- 52
- Issue
- 7
- Pages
- 5335-5342
- Citations
- 437
- Access
- Closed
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Cite This
N. D. Lang
(1995).
Resistance of atomic wires.
Physical review. B, Condensed matter
, 52
(7)
, 5335-5342.
https://doi.org/10.1103/physrevb.52.5335
Identifiers
- DOI
- 10.1103/physrevb.52.5335