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Keywords:

  • electrostriction;
  • actuators;
  • dielectrics;
  • thermoplastic elastomer gels;
  • block copolymers
Thumbnail image of graphical abstract

Without any contact with electrodes, nanostructured elastomers can electrically actuate, as reported by Sang Ouk Kim, Chong Min Koo, and co-workers on page 3242. The cover image illustrates the electric actuation of nanostructured materials, dominated by a true electrostriction mechanism. The degree of surface polarization on the interface between mismatched dielectrics is expressed by the surface color of the dispersion phases.