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Issue 4, 2009
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Magnetoactive liquid crystal elastomer nanocomposites

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We present liquid crystal elastomer (LCE) nanocomposites containing superparamagnetic nanoparticles that perform local heat dissipation upon irradiation with electromagnetic fields. A fast local temperature rise is observed that leads to a distinct contraction at the nematic–isotropic transition temperature of the elastomer. The materials exhibit contractions up to 27% of the original length with short response times. We found the heat production rate and the heat transfer coefficient the parameters that determine the maximum contraction rate.

Graphical abstract: Magnetoactive liquid crystal elastomer nanocomposites

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Publication details

The article was received on 29 Jul 2008, accepted on 28 Oct 2008 and first published on 10 Dec 2008

Article type: Paper
DOI: 10.1039/B813120C
Citation: J. Mater. Chem., 2009,19, 538-543
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    Magnetoactive liquid crystal elastomer nanocomposites

    A. Kaiser, M. Winkler, S. Krause, H. Finkelmann and A. M. Schmidt, J. Mater. Chem., 2009, 19, 538
    DOI: 10.1039/B813120C

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