Photo-triggered wrinkling of glassy nematic films

A linear analysis is performed to explore the stability of an azobenzene-containing glassy nematic film on a soft elastic foundation under uniform illumination by UV light. It is found that the film can buckle to form wrinkles when the light intensity and the geometric and material parameters of the...

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Bibliographic Details
Published in:Smart materials and structures 2014-04, Vol.23 (4), p.45012
Main Authors: Yang, D, He, L H
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Elasticity, elastic constants
Exact sciences and technology
glassy nematic films
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
photo-induced
Physics
wrinkling
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Summary:A linear analysis is performed to explore the stability of an azobenzene-containing glassy nematic film on a soft elastic foundation under uniform illumination by UV light. It is found that the film can buckle to form wrinkles when the light intensity and the geometric and material parameters of the system are properly chosen. The results may help in the fabrication of photo-triggered wrinkled surfaces which are particularly attractive for applications where remote addressing is desired.
ISSN:0964-1726
1361-665X
DOI:10.1088/0964-1726/23/4/045012