A Green's function calculation of the zero‐voltage STM resistance of a one‐dimensional chain coupled to two jellium surfaces

V. Mujica, G. Doyen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A simple model Hamiltonian is used to calculate the limit of zero‐voltage resistance in a one‐dimensional chain of one‐state sites. The end atoms in the chain are considered to be chemisorbed to the surface of the metal electrodes and their interaction with the continuum of metal states (jellium model) is treated as in the Anderson–Newns chemisorption theory [1,2]. For this model, an exact solution can be obtained for the zero‐voltage resistance within the formalism developed by Doyen and co‐workers [3] for the calculation of the current in Scanning Tunneling Microscopy (STM). Applications of the results described in this article to the problem of molecular imaging in STM are presented elsewhere [4,5]. © 1993 John Wiley & Sons, Inc.

Original languageEnglish
Pages (from-to)687-698
Number of pages12
JournalInternational Journal of Quantum Chemistry
Volume48
Issue number27 S
DOIs
Publication statusPublished - 1993

Fingerprint

Scanning tunneling microscopy
Green's function
scanning tunneling microscopy
Green's functions
Metals
Molecular imaging
Hamiltonians
Chemisorption
metals
chemisorption
formalism
continuums
Atoms
Electrodes
electrodes
atoms
interactions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

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AU - Mujica, V.

AU - Doyen, G.

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N2 - A simple model Hamiltonian is used to calculate the limit of zero‐voltage resistance in a one‐dimensional chain of one‐state sites. The end atoms in the chain are considered to be chemisorbed to the surface of the metal electrodes and their interaction with the continuum of metal states (jellium model) is treated as in the Anderson–Newns chemisorption theory [1,2]. For this model, an exact solution can be obtained for the zero‐voltage resistance within the formalism developed by Doyen and co‐workers [3] for the calculation of the current in Scanning Tunneling Microscopy (STM). Applications of the results described in this article to the problem of molecular imaging in STM are presented elsewhere [4,5]. © 1993 John Wiley & Sons, Inc.

AB - A simple model Hamiltonian is used to calculate the limit of zero‐voltage resistance in a one‐dimensional chain of one‐state sites. The end atoms in the chain are considered to be chemisorbed to the surface of the metal electrodes and their interaction with the continuum of metal states (jellium model) is treated as in the Anderson–Newns chemisorption theory [1,2]. For this model, an exact solution can be obtained for the zero‐voltage resistance within the formalism developed by Doyen and co‐workers [3] for the calculation of the current in Scanning Tunneling Microscopy (STM). Applications of the results described in this article to the problem of molecular imaging in STM are presented elsewhere [4,5]. © 1993 John Wiley & Sons, Inc.

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