Laser-induced wavy pattern formation in metal thin films

Xiao, Ke; Guan, Zi Sheng; Wang, Guo Jie; Jiang, Lei; Zhu, Dao Ben; Wang, Yu Ren
September 2004
Applied Physics Letters;9/13/2004, Vol. 85 Issue 11, p1934
Academic Journal
Laser-induced well-ordered and controllable wavy patterns are constructed in the deposited metal thin film. The micrometer-sized structure and orientation of the wavy patterns can be controlled via scanning a different size of rectangle laser spot on the films. Ordered patterns such as aligned, crossed, and whirled wave structures were designed over large areas. This patterning technique may find applications in both exploring the reliability and mechanical properties of thin films, and fabricating microfluidic devices.


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