Link between Adatom Resonances and the Cu(111) Shockley Surface State

Jérôme Lagoute, Xi Liu, and Stefan Fölsch
Phys. Rev. Lett. 95, 136801 – Published 19 September 2005

Abstract

Low-temperature scanning tunneling microscopy and spectroscopy at 7 K was used to assemble and characterize native adatom islands of successive size on the Cu(111) surface. Starting from the single adatom we observe the formation of a series of quantum states which merge into the well known two-dimensional Shockley surface state in the limit of large islands. Our experiments reveal a natural physical link between this fundamental surface property and the spz hybrid resonance associated with the single Cu/Cu(111) adatom.

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  • Received 28 June 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.136801

©2005 American Physical Society

Authors & Affiliations

Jérôme Lagoute, Xi Liu, and Stefan Fölsch

  • Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, D-10117 Berlin, Germany

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Issue

Vol. 95, Iss. 13 — 23 September 2005

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