Issue |
Europhys. Lett.
Volume 47, Number 2, July II 1999
|
|
---|---|---|
Page(s) | 220 - 226 | |
Section | Condensed matter: structure, mechanical and thermal properties | |
DOI | https://doi.org/10.1209/epl/i1999-00548-y | |
Published online | 01 September 2002 |
Pearl drops
1
Laboratoire de Physique de la Matière Condensée URA 792 du CNRS, Collège de France 75231 Paris Cedex 05, France
2
Saint-Gobain Recherche - 39 quai Lucien-Lefranc 93303 Aubervilliers Cedex, France
Received:
4
January
1999
Accepted:
6
May
1999
If deposited on a hydrophobic rough substrate, a small drop of water can
look like a pearl, with a contact angle close to . We examine
the conditions for observing such a phenomenon and show practical achievements
where the contact angle can be predicted and thus quantitatively tuned by
the design of the surface microstructure.
PACS: 68.10.-m – Fluid surfaces and fluid-fluid interfaces / 68.15.+e – Liquid thin films
© EDP Sciences, 1999
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