FREE MOTION OF THIN SOLID FILM ON LIQUID SURFACE AS A ROUTE TOWARDS SELF-ORGANIZATION

Sen-Jiang Yu (), Quan-Lin Ye, Liang-Neng Wu, Jiang-Xing Chen, Yu-Jian Cui and Hong-Liang Ge
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Sen-Jiang Yu: Department of Physics, China Jiliang University, Hangzhou 310018, China;
Quan-Lin Ye: Department of Physics, Zhejiang University, Hangzhou 310027, China
Liang-Neng Wu: Department of Physics, China Jiliang University, Hangzhou 310018, China
Jiang-Xing Chen: Department of Physics, Zhejiang University, Hangzhou 310027, China
Yu-Jian Cui: Department of Physics, China Jiliang University, Hangzhou 310018, China
Hong-Liang Ge: Department of Physics, China Jiliang University, Hangzhou 310018, China

Surface Review and Letters (SRL), 2005, vol. 12, issue 05n06, 753-758

Abstract: In this paper, we present the spontaneous formation of an unusual type of ordered structures in thin metal film systems deposited on silicon oil surfaces by a thermal evaporation method. These structures are composed of a large number of parallel rectangular-shaped domains and exhibit anti-symmetric characteristic. The experiment shows that thin solid films can move freely on liquid surfaces due to the near-zero adhesion of the solid–liquid interface, resulting in superposition of the films and formation of the ordered structures. Compressive stress gradient in the films is shown to be the driving force for self-organization. All characteristics of the ordered structures are discussed in detail based on special mechanical behaviors of these near-free sustained films.

Keywords: Self-organization; thin metal films; liquid substrates; internal stress (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05007578

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