GROWTH MECHANISM OF IRON FILMS ON SILICONE OIL SURFACES PREPARED BY SPUTTERING METHOD

Sen-Jiang Yu (), Yong-Ju Zhang, Jiang-Xing Chen and Hong-Liang Ge
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Sen-Jiang Yu: Department of Physics, China Jiliang University, Hangzhou 310018, China;
Yong-Ju Zhang: Department of Physics, Taizhou University, Linhai 317000, China
Jiang-Xing Chen: Department of Physics, Zhejiang University, Hangzhou 310027, China
Hong-Liang Ge: Department of Physics, China Jiliang University, Hangzhou 310018, China

Surface Review and Letters (SRL), 2006, vol. 13, issue 06, 779-784

Abstract: The growth mechanism and characteristic ordered patterns of iron(Fe)films deposited on the silicone oil surfaces by a DC-magnetron sputtering method are presented in this paper. It is found that as the film thickness increases, the iron atoms deposited on the oil surface first form compact clusters, then transfer to ramified aggregates and web-shaped structures, and finally form a continuous iron film. The average branch width of the ramified aggregates is about 0.34 μm, which is almost independent of the sputtering power, i.e., the deposition rate. In the continuous iron films, large spatially disk-shaped patterns are observed, which result from spontaneous ordered organization of the iron atoms and atomic clusters driven by the internal stress in this nearly free sustained film system.

Keywords: Iron film; liquid substrate; ordered pattern; internal stress (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0218625X06008840

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