Direct Evidence for the Effect of Quantum Confinement of Surface-State Electrons on Atomic Diffusion

URN to cite this document:: urn:nbn:de:bvb:355-epub-249224
DOI to cite this document:: 10.5283/epub.24922

Negulyaev, Nikolay N. ; Stepanyuk, Valerie S. ; Niebergall, Larissa ; Bruno, Patrick

; Hergert, Wolfram ; Repp, Jascha

; Rieder, Karl-Heinz ; Meyer, Gerhard

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Date of publication of this fulltext: 03 Jul 2012 12:17

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Abstract

We report on the direct observations of the effect of quantum confinement of surface-state electrons on atomic diffusion. Confined electronic states induced by open nanoscale resonators [consisting of two parallel monatomic Cu chains on Cu(111)] are studied by means of scanning tunneling microscope measurements and first-principles calculations. Strongly anisotropic diffusion of adatoms around ...