Non-Arrhenius Behavior of the Island Density in Metal Heteroepitaxy: Co on Cu(001)

R. Pentcheva, K. A. Fichthorn, M. Scheffler, T. Bernhard, R. Pfandzelter, H. Winter

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We present a combined theoretical and experimental study of island nucleation and growth in the deposition of Co on Cu(001)—a prototype for understanding heteroepitaxial growth involving intermixing. Experimentally, ion scattering is employed. Using density-functional theory, we obtain energy barriers for the various elementary processes and incorporate these into a kinetic Monte Carlo program to simulate the heteroepitaxial growth. Both the simulations and the experiments show a unique [Formula presented]-shape dependence of the island density on temperature that stems from the interplay and competition of the different processes involved.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical review letters
Volume90
Issue number7
DOIs
StatePublished - 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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