Morphologies, metastability, and coarsening of quantum nanoislands on the surfaces of the annealed Ag(110) and Pb(111) thin films

Morphological evolution of heteroepitaxial nanoislands toward equilibrium (coarsening) is computed using the detailed continuum model that incorporates the quantum size effect. The results reveal the metastability of the “magic” heights, show the morphological transitions and the surface diffusion r...

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Bibliographic Details
Published in:Journal of applied physics 2018-11, Vol.124 (17)
Main Authors: Price, Donald L., Henner, Victor, Khenner, Mikhail
Format: Article
Language:English
Subjects:
Applied physics
Coarsening
Continuum modeling
Lead
Metastable state
Morphology
Size effects
Surface diffusion
Thin films
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Summary:Morphological evolution of heteroepitaxial nanoislands toward equilibrium (coarsening) is computed using the detailed continuum model that incorporates the quantum size effect. The results reveal the metastability of the “magic” heights, show the morphological transitions and the surface diffusion routes by which a quantum island reaches its stable height, and provide the coarsening laws for the island density and area, thus clarifying the kinetic morphology pathways in the growth of an ultrathin metal film.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.5052641