| Issue |
Europhys. Lett.
Volume 63, Number 3, August 2003
|
|
|---|---|---|
| Page(s) | 394 - 400 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00540-7 | |
| Published online | 01 November 2003 | |
Subpattern formation during condensation processes on structured substrates
Fachbereich Physik, Universität Konstanz - Fach M676, D-78457 Konstanz, Germany
Received:
24
February
2003
Accepted:
26
May
2003
We investigate the temporal and spatial development of condensation patterns on chemically patterned substrates. We find that droplets condense preferentially on lyophilic sites and are surrounded by a depletion zone where no further nucleation occurs. The size of the depletion zones can be tuned by the flow rate of the incoming gas stream. If the size of the depletion zones is in a suitable range, well-defined droplets grow on the interstitial sites of the lyophilic lattice, i.e. on the non-structured areas. This can lead to ordered substructures.
PACS: 68.03.Fg – Evaporation and condensation / 68.08.Bc – Wetting
© EDP Sciences, 2003
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