THE INFLUENCE OF EXTERNAL DISTURBANCE ON BUCKLING PATTERNS IN WEDGE-SHAPEDFeFILMS

Hong Zhou, Sen-Jiang Yu (), Yong-Ju Zhang and Miao-Gen Chen
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Hong Zhou: Department of Physics, China Jiliang University, Hangzhou 310018, P. R. China
Sen-Jiang Yu: Department of Physics, China Jiliang University, Hangzhou 310018, P. R. China
Yong-Ju Zhang: Department of Physics, Taizhou University, Linhai 317000, P. R. China
Miao-Gen Chen: Department of Physics, China Jiliang University, Hangzhou 310018, P. R. China

Surface Review and Letters (SRL), 2013, vol. 20, issue 03n04, 1-7

Abstract: A wedge-shaped iron (Fe) film system, quenched by silicone oil during deposition, has been prepared on glass substrates by direct current magnetron sputtering, and the influence of external disturbance on buckling patterns is investigated. The experiment shows that the wedge-shapedFefilm possesses a high compressive stress, which is relieved by spontaneous formation of telephone cord buckles in the atmosphere condition. The growth process can last several days to more than a month. When the film is disturbed by an external force, the stored stress energy will release drastically to form straight-sided buckles within several seconds. The morphological characteristics, edge effect and formation mechanism of the straight-sided buckles are discussed in detail.

Keywords: Thin film; buckling; sputtering; external disturbance; elastic properties (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1142/S0218625X13500297

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