Structure of Iridium Adatom Cluster Nuclei on Ir(100)

Phys. Rev. Lett. 61, 578 – Published 1 August 1988
P. R. Schwoebel and G. L. Kellogg

Abstract

A transition from chain- to island-type structure is observed in Ir adatom cluster nuclei on Ir(100). For five or fewer adatoms the stable configuration is a nucleus in the form of a linear chain, whereas for six or more adatoms a two-dimensional island configuration is stable. This unusual transformation indicates the presence of relatively long-range interactions between the Ir adatoms.

DOI: http://dx.doi.org/10.1103/PhysRevLett.61.578

  • Received 11 April 1988
  • Published in the issue dated 1 August 1988

© 1988 The American Physical Society

Authors & Affiliations

P. R. Schwoebel and G. L. Kellogg

  • Sandia National Laboratories, Albuquerque, New Mexico 87185

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