Homoepitaxial Growth of Pt on Pt(100)-hex: Effects of Strongly Anisotropic Diffusion and Finite Island Sizes

T.R. Linderoth, Jens Jørgen Mortensen, Karsten Wedel Jacobsen, E. Lægsgaard, I. Stensgaard, Flemming Besenbacher

Research output: Contribution to journalJournal articleResearchpeer-review

261 Downloads (Pure)

Abstract

Nucleation and growth of Pt on the reconstructed Pt(100)-hex surface was studied by scanning tunneling microscopy. A detailed autocorrelation analysis of island positions reveals direct evidence for strongly anisotropic diffusion, and from the island size distribution, which obeys a simple scaling relation, we conclude that the mobility of dimers is negligible. Finally, kinetic Monte Carlo simulations, incorporating anisotropy in diffusion and finite island sizes, yield new insight into how these two factors affect the island size distribution and the scaling behavior of island density with temperature and deposition rate.
Original languageEnglish
JournalPhysical Review Letters
Volume77
Issue number1
Pages (from-to)87-90
ISSN0031-9007
DOIs
Publication statusPublished - 1996

Bibliographical note

Copyright (1996) American Physical Society.

Fingerprint

Dive into the research topics of 'Homoepitaxial Growth of Pt on Pt(100)-hex: Effects of Strongly Anisotropic Diffusion and Finite Island Sizes'. Together they form a unique fingerprint.

Cite this