Phys. Rev. B 58, R7556–R7559 (1998)

Activation energy for the decay of two-dimensional islands on Cu(100)

Abstract

References

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Christian Klünker, James B. Hannon^*, Margret Giesen, and Harald Ibach^†
Institut für Grenzflächenforschung und Vakuumphysik, Forschungszentrum Jülich, D-52425, Jülich, Germany

Ghyslain Boisvert and Laurent J. Lewis
Département de Physique et Groupe de Recherche en Physique et Technologie des Couches Minces (GCM), Université de Montréal, Case Postale 6128, Succursale Centre-Ville, Montréal, Québec, Canada H3C 3J7

Received 18 March 1998; revised 6 July 1998; published in the issue dated 15 September 1998

Experimental data on the decay rate of two-dimensional islands on Cu(100) as a function of temperature are reported. The decay is limited by the attachment-detachment process. A comparison of the experimentally observed activation energy for the decay rate with results from first-principles theory renders further support to the understanding that on Cu(100) island decay is due to mass transport via vacancies.

URL:

http://link.aps.org/doi/10.1103/PhysRevB.58.R7556

DOI:

10.1103/PhysRevB.58.R7556

PACS:

68.35.Fx, 68.35.Md, 68.35.Bs, 61.16.Ch

^*Present address: Sandia National Laboratories, Mail Stop 1413, Albuquerque, NM 87185-1413.

^†Author to whom correspondence should be addressed. Electronic address: h.ibach@fz-juelich.de

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Phys. Rev. B 58, R7556–R7559 (1998)

Activation energy for the decay of two-dimensional islands on Cu(100)