Pearl drops

J. Bico, C. Marzolin, D. Quéré

Research output: Contribution to journalArticlepeer-review

Abstract

If deposited on a hydrophobic rough substrate, a small drop of water can look like a pearl, with a contact angle close to 180°. 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.

Original languageEnglish
Pages (from-to)220-226
Number of pages7
JournalEPL
Volume47
Issue number2
DOIs
Publication statusPublished - 11 Jul 1999
Externally publishedYes

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