| Issue |
Europhys. Lett.
Volume 52, Number 2, October II 2000
|
|
|---|---|---|
| Page(s) | 165 - 170 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00418-8 | |
| Published online | 01 September 2002 | |
Roughness-induced non-wetting
Abteilung Angewandte Physik, Universität Ulm - D-89069 Ulm, Germany
Corresponding author: stephan.herminghaus@physik.uni-ulm.de
Received:
13
December
1999
Accepted:
31
August
2000
It is shown that a certain class of self-affine profiles of surface roughness may render any substrate with a non-zero microscopic contact angle non-wet, i.e., give it a macroscopic contact angle close to 180 degrees. This is in some contrast to previous work and not only of potential applicational interest, but may also contribute to the amazing water repellency of some plant leaves.
PACS: 68.10.Cr – Surface energy / 68.35.Ct – Interface structure and roughness / 68.45.Gd – Wetting
© EDP Sciences, 2000
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