Wetting of Nanopatterned Grooved Surfaces

Wetting of Nanopatterned Grooved Surfaces

The wetting by perfluoromethylcyclohexane of a well-defined silicon grating with a channel width of 16 nm has been studied using transmission small angle x-ray scattering. Prefilling, capillary filling, and postfilling wetting regimes have been identified. A detailed comparison of the data with theo...

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Bibliographic Details
Published in:Physical review letters Vol. 104; no. 10
Main Authors: T Hofmann, M Tasinkevych, A Checco, L Dobisz, S Dietrich, B Ocko
Format: Journal Article
Language:English
Published: United States 31-12-2011
Subjects:
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
PHYSICS
SCATTERING
SILICON
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Summary:The wetting by perfluoromethylcyclohexane of a well-defined silicon grating with a channel width of 16 nm has been studied using transmission small angle x-ray scattering. Prefilling, capillary filling, and postfilling wetting regimes have been identified. A detailed comparison of the data with theory reveals the importance of long-ranged substrate-fluid and fluid-fluid interactions for determining the wetting behavior on these length scales, especially at the onset of capillary condensation and in the prefilling regime.
Bibliography:DE-AC02-98CH10886
USDOE SC OFFICE OF SCIENCE (SC)
BNL-97371-2012-JA
ISSN:0031-9007
1079-7114