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- Jang, Ji-Hyun
- Structures & Sustainable Energy Lab.
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The elastic properties and plastic behavior of two-dimensional polymer structures fabricated by laser interference lithography
- Author(s)
- Choi, Taeyi, Jang, Ji-Hyun, Ullal, Chaitanya K., LeMieux, Melburne C., Tsukruk, Vladimir V., Thomas, Edwin L.
- Issued Date
- 2006-07
- Citation
- ADVANCED FUNCTIONAL MATERIALS, v.16, no.10, pp.1324 - 1330
- Abstract
- The elastic and plastic properties within a two-dimensional polymer (SU8) structure with sixfold symmetry fabricated via interference lithography are presented. There is a nonuniform spatial distribution in the elastic modulus, with a higher elastic modulus obtained for nodes. (brightest regions in the laser interference pattern) and a lower elastic modulus for beams (darkest regions in the laser interference pattern) of the photopatterned films. We suggest that such a nonuniformity and unusual plastic behavior are related to the variable material properties "imprinted" by the interference pattern.
- Publisher
- WILEY-V C H VERLAG GMBH
- ISSN
- 1616-301X
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