Extraordinary Electron Propagation Length in a Metallic Double Chain Supported on a Metal Surface

Sergio Díaz-Tendero, Andrey G. Borisov, and Jean-Pierre Gauyacq
Phys. Rev. Lett. 102, 166807 – Published 24 April 2009

Abstract

The present theoretical study shows that a double chain of Cu metal atoms adsorbed on a Cu(111) metal surface can guide an excited electron for distances exceeding 10 nm. The nanostructure appears to be quasi-decoupled from the substrate and thus to act as a nanowire. The origin of the above phenomenon is the interference between the decay of the quasistationary 1D sp-band states localized on each chain. This allows to approach the situation of the formation of bound states in the continuum first discussed in quantum systems by von Neumann and Wigner.

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  • Received 13 January 2009

DOI:https://doi.org/10.1103/PhysRevLett.102.166807

©2009 American Physical Society

Authors & Affiliations

Sergio Díaz-Tendero, Andrey G. Borisov*, and Jean-Pierre Gauyacq

  • CNRS, Laboratoire des Collisions Atomiques et Moléculaires, UMR 8625, Bâtiment 351, Université Paris-Sud, 91405 Orsay CEDEX, France
  • Université Paris-Sud, Laboratoire des Collisions Atomiques et Moléculaires, UMR 8625, Bâtiment 351, Université Paris-Sud, 91405 Orsay CEDEX, France

  • *Corresponding author: andrei.borissov@u-psud.fr

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Issue

Vol. 102, Iss. 16 — 24 April 2009

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