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The production, via soft lithography, of micron-sized thermoresponsive pillars made of side-on nematic LCE leads to the formation of surface-responsive structures. The individual, monodisperse pillars, when cut out from the surface, behave as micro-actuators, showing contraction of around 35% at the nematic to isotropic phase transition.
Buguin et al. (Thu,) studied this question.