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Composites comprising metal nanorods encased in a polymer matrix exhibit reversible electric breakdown and can be cycled between low‐ and high‐conductance states multiple times without permanent damage to the material. The voltage at which the breakdown occurs can be adjusted by engineering the properties of the polymeric matrix, in particular by doping the polymer with dipole‐possessing additives...
Controlling reversible dielectric breakdown in metal/poly mer nanocomposites is reported on page 1850 by J. Kim and B. A. Grzybowski. The image illustrates reversible dielectric breakdown of an array of metal nanorods embedded in a polymer matrix and subject to an electric bias. The breakdown occurs in a threshold‐like fashion such that the nanocomposite material can be repeatedly “cycled” between...
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