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Nanopatterning by solid-state dewetting on reconstructed ceramic surfaces
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10.1063/1.3127442
/content/aip/journal/apl/94/17/10.1063/1.3127442
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/17/10.1063/1.3127442
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Figures

Image of FIG. 1.
FIG. 1.

AFM images of the dewetting process of a gold film on a reconstructed alumina surface after different annealing times at : (a) 2 h, (b) 3 h, (c) 4 h, and (d) 5 h.

Image of FIG. 2.
FIG. 2.

Bright field TEM images acquired from a Au film on a reconstructed surface on heating to different temperatures (shown in the inset). The continuous film in (a) dewets by the nucleation of linear dry patches (b) that eventually leads to thin wires of Au on the substrate (c). The wires break up due to Rayleigh instability to form particle arrays. For a nonoptimal thickness, this leads to droplet families with two different average sizes.

Image of FIG. 3.
FIG. 3.

Schematic illustration (perspective, left, cross-section, and right) of the process of dewetting of a thin film on a corrugated surface. Anisotropy in diffusion due to concave and convex regions leads to formation of particles resting on the valley sites.

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/content/aip/journal/apl/94/17/10.1063/1.3127442
2009-04-30
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanopatterning by solid-state dewetting on reconstructed ceramic surfaces
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/17/10.1063/1.3127442
10.1063/1.3127442
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