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Interplay between adsorbate diffusion and electron tunneling at an insulating surface

McKenna, K, Trevethan, T and Shluger, A (2010) Interplay between adsorbate diffusion and electron tunneling at an insulating surface Physical Review B - Condensed Matter and Materials Physics, 82 (8).

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Abstract

We investigate electron tunneling between defects and mobile adsorbates on the surface of MgO and show that electrons can be transferred to Au and Pt atoms from defects, such as oxygen vacancies, over distances ∼20 even at room temperature. As a result of the surface-mediated interaction following electron transfer, the mobility of these metal atoms is enhanced significantly. Such processes may affect the kinetics of growth and structure of adsorbed clusters and thin films and the interaction of molecules with surfaces. © 2010 The American Physical Society.

Item Type: Article
Authors :
NameEmailORCID
McKenna, KUNSPECIFIEDUNSPECIFIED
Trevethan, Tt.trevethan@surrey.ac.ukUNSPECIFIED
Shluger, AUNSPECIFIEDUNSPECIFIED
Date : 18 August 2010
Identification Number : https://doi.org/10.1103/PhysRevB.82.085427
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:35
Last Modified : 17 May 2017 15:04
URI: http://epubs.surrey.ac.uk/id/eprint/835942

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