Self-organization of Ce adatoms on Ag(111): A kinetic Monte Carlo study

N. N. Negulyaev, V. S. Stepanyuk, L. Niebergall, W. Hergert, H. Fangohr, and P. Bruno
Phys. Rev. B 74, 035421 – Published 18 July 2006

Abstract

One of the most fascinating experimental results in fabrication of artificial nanostructures is the creation of the macroscopically ordered superlattice of Ce adatoms on Ag(111) [F. Silly et al., Phys. Rev. Lett. 92, 016101 (2004)]. Here, performing kinetic Monte Carlo simulations, we study the formation of Ce superlattice at the atomic scale. It is demonstrated that the surface-state mediated long-range interaction between Ce adatoms can lead to their self-assembly into a well ordered structure. The temperature of the substrate and the concentration of Ce adatoms are shown to play a key role in this process.

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  • Received 31 January 2006

DOI:https://doi.org/10.1103/PhysRevB.74.035421

©2006 American Physical Society

Authors & Affiliations

N. N. Negulyaev1, V. S. Stepanyuk2, L. Niebergall2, W. Hergert1, H. Fangohr3, and P. Bruno2

  • 1Fachbereich Physik, Martin-Luther-Universität, Von-Seckendorff-Platz 1, D-06120 Halle, Germany
  • 2Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle, Germany
  • 3School of Engineering Sciences, University of Southampton, Southampton SO17 1BJ, United Kingdom

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Issue

Vol. 74, Iss. 3 — 15 July 2006

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