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Nature 424, 378-379 (24 July 2003) | doi:10.1038/424378a

Open Innovation Challenges

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Materials science: On the straight and narrow

Richard A. Register1

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Nanoscale chemical patterns written on a substrate can direct the self-assembly of polymer overlayers with remarkable precision. These polymer films, in turn, can be used as templates for nanofabrication.

Nanostructures of precisely defined size and position are essential for any addressable nanoscale device — such as an ultrahigh-density hard drive, in which each bit of material stores a bit of information. Amphiphilic organic molecules are attractive templates for making such structures, as they spontaneously form supramolecular aggregates (such as micelles) of near-uniform size, generating a multitude of identical nanoscopic objects in parallel.

  1. Department of Chemical Engineering and Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544, USA.
    Email: register@princeton.edu