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Issue 5, 2018
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Boundary-induced nucleation control: a theoretical perspective

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The pre-patterning of a substrate to create energetically more attractive or repulsive regions allows one to generate a variety of structures in physical vapor deposition experiments. A particularly interesting structure is generated if the energetically attractive region forms a rectangular grid. For specific combinations of the particle flux, the substrate temperature and the lattice size it is possible to generate exactly one cluster per cell, giving rise to nucleation control. Here, we show that the experimental observations of nucleation control can be very well understood from a theoretical perspective. For this purpose we perform, on the one hand, kinetic Monte Carlo simulations and, on the other hand, use analytical scaling arguments to rationalize the observed behavior. For several observables, characterizing nucleation control, very good agreement is found between experiment and theory. This underlines the generality of the presented mechanism to control the deposition of materials by manipulation of the direct environment.

Graphical abstract: Boundary-induced nucleation control: a theoretical perspective

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Article information

11 Apr 2017
30 Dec 2017
First published
19 Jan 2018

Phys. Chem. Chem. Phys., 2018,20, 3752-3760
Article type

Boundary-induced nucleation control: a theoretical perspective

O. Buller, H. Wang, W. Wang, L. Chi and A. Heuer, Phys. Chem. Chem. Phys., 2018, 20, 3752
DOI: 10.1039/C7CP02348K

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