Campus Units
Chemistry, Mathematics, Ames Laboratory
Document Type
Article
Publication Date
1-22-1996
Journal or Book Title
Physical Review Letters
Volume
76
Issue
4
First Page
652
Last Page
655
DOI
10.1103/PhysRevLett.76.652
Abstract
Coarsening of Ag films on Ag(100) at room temperature occurs primarily via diffusion-mediated coalescence of two-dimensional adatom clusters, rather than by Ostwald ripening, up to a coverage of 0.65 monolayer. Above 0.8 monolayer, vacancy clusters coarsen primarily via Ostwald ripening, due to their much lower diffusivity. An asymmetric transition region separates these two regimes, characterized by a near-percolating structure which undergoes self-similar coarsening.
Copyright Owner
American Physical Society
Copyright Date
1996
Language
en
File Format
application/pdf
Recommended Citation
Wen, J.-M.; Evans, James W.; Bartelt, M. C.; Burnett, Joseph W.; and Thiel, Patricia A., "Coarsening Mechanisms in a Metal Film: From Cluster Diffusion to Vacancy Ripening" (1996). Chemistry Publications. 79.
https://lib.dr.iastate.edu/chem_pubs/79
Comments
This article is from Physical Review Letters 76, no. 4 (1996): 652–655, doi:10.1103/PhysRevLett.76.652.