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Jang, Ji-Hyun
Nano Crystal Lab (NCL)
Research Interests
  • Graphene, photoelectrochemical (PEC) H2 generation, ORR/OER, SERS,3D-Nanostructures, supercapacitors, thermoelectric materials

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The elastic properties and plastic behavior of two-dimensional polymer structures fabricated by laser interference lithography

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Title
The elastic properties and plastic behavior of two-dimensional polymer structures fabricated by laser interference lithography
Author
Choi, TaeyiJang, Ji-HyunUllal, Chaitanya K.LeMieux, Melburne C.Tsukruk, Vladimir V.Thomas, Edwin L.
Keywords
SCANNING PROBE MICROSCOPY; PHOTONIC CRYSTALS; HOLOGRAPHIC LITHOGRAPHY; MICROMECHANICAL PROPERTIES; VISIBLE SPECTRUM; FORCE MICROSCOPY; YOUNGS MODULUS; WAVE-GUIDE; COATINGS; PHOTORESIST
Issue Date
2006-07
Publisher
WILEY-V C H VERLAG GMBH
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.
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DOI
10.1002/adfm.200500693
ISSN
1616-301X
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ECHE_Journal Papers
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