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Why have not the hairs on the feet of gecko been smaller?
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10.1063/1.4762822
/content/aip/journal/apl/101/17/10.1063/1.4762822
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/17/10.1063/1.4762822
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Typical biological and biomimetic surfaces with hair or pillar like surface structures for various functions. (a) The nano to micro hierarchical hair-like surface structure of geckos' feet for strong adhesion;8 (b) The nano to micro hierarchical structure of plant leaves for superhydrophobic dewetting properties.10 (c) The microfabricated polyimide biomimetic hairs bunching together under the van der Waals interaction.14

Image of FIG. 2.
FIG. 2.

Schematic illustrations of different surface patterns and bunching modes. (a1)–(c1) for three typical patterns of surface structures: triangular (k = 3), square (k = 4), and hexagonal (k = 6); (a2)–(c2) for illustration of different bunching modes for each surface pattern; (a3)–(c3) for illustration of the lateral displacement of the non-fixed end of fibers for different patterns and bunching modes.

Image of FIG. 3.
FIG. 3.

The relationships between the critical size of fibers and aspect ratio for different surface patterns and bunching modes.

Image of FIG. 4.
FIG. 4.

The relationships between the critical size of fiber and area fraction for different patterns and bunching modes.

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/content/aip/journal/apl/101/17/10.1063/1.4762822
2012-10-23
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Why have not the hairs on the feet of gecko been smaller?
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/17/10.1063/1.4762822
10.1063/1.4762822
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