Alternative dewetting pathways of thin liquid films

Science

Volumn 285, Issue 5431, 1999, Pages 1254-1256

  Yerushalmi Rozen, Rachel ^a   Kerle, Tobias ^b   Klein, Jacob ^b  

^a BEN GURION UNIVERSITY OF THE NEGEV   (Israel)

^b WEIZMANN INSTITUTE OF SCIENCE   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

INTERFACES (MATERIALS); PHASE SEPARATION;

DEWETTING; MARANGONI FLOW; THIN LIQUID FILMS;

THIN FILMS;

ARTICLE; FILM; MISCIBILITY; MODEL; MOLECULAR INTERACTION; PHYSICAL CHEMISTRY; PRIORITY JOURNAL; VISCOSITY;

EID: 0033588037     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.285.5431.1254     Document Type: Article

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13. We observed a qualitatively similar phenomenon with the nondeuterated oligomers OS-OEP. In that system, the OEP-rich phase aligns at the air interface, and the OS-rich phase aligns at the gold surface.
14. White-light interference microscopy (NewView 200, Zygo, Middlefield, CT) was used for profiling the detailed shape of a liquid droplet on top of the liquid film. In this three-dimensional technique, an image of the surface is obtained by analyzing the interference pattern formed by a reference and a sample beam. The technique provides a detailed profile of the contact line with subnanometric resolution in the vertical direction and micrometer resolution in the lateral direction.
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23. x = 6 μm/min.
24. We are grateful to L. J. Fetters and M. Wilhelm for kindly donating the OEP and dOS oligomers. We thank J. F. Joanny, S. Safran, and H. Grüll for enlightening discussions and the U.S.-Israel Binational Science Foundation (grant 95-147), the Wolfson Family Charitable Trust (to R.Y.-R.), the German-Israel Foundation (grant I-568-275.0597), and the Israel Ministry of Science (Tashtiot Program) for support.