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Science 30 October 1998:
Vol. 282. no. 5390, p. 841
DOI: 10.1126/science.282.5390.841b
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Theoretical studies have pointed toward the formation of particular patterns, called spinodal modes, when a liquid film is deposited onto a substrate that is not wetted by the film. However, the experimental observation of these patterns has been difficult because they cannot easily be separated from other surface phenomena, such as the nucleation of dry patches at substrate defects. Herminghaus et al. (p. 916; see the Perspective by Reiter) provide experimental evidence for spinodal dewetting behavior in two systems, liquid crystal and liquid metal films. They can rationalize the observations in terms of the different forces dominant in the two systems.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)