Microfabricated adhesive mimicking gecko foot-hair
β Scribed by Geim, A. K.; Dubonos, S. V.; Grigorieva, I. V.; Novoselov, K. S.; Zhukov, A. A.; Shapoval, S. Yu.
- Book ID
- 109935184
- Publisher
- Nature Publishing Group
- Year
- 2003
- Tongue
- English
- Weight
- 392 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1476-1122
- DOI
- 10.1038/nmat917
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## Abstract Waferβscale polymer nanofabrillar structures have been fabricated using the combination of colloidal nanolithography, deepβsilicon etching, and nanomolding to mimic the nanostructure of gecko footβhairs. The artificial surface features densely packed polymeric nanofibrils with superβhyd
Geckos generate the necessary adhesion force through their foot hair. The direction of the gecko's foot hair is not perpendicular to its finger surface, giving compliance to the hair. The effect of this compliance on the adhesion force is analysed and expressed theoretically in terms of contact mech