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Dielectric nanoparticles

Polarizability reveals identity

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Improvements in electrostatic force microscopy now make it possible to measure the dielectric constant of isolated low-polarizable nanoparticles and viruses, thus enabling the label-free identification of dielectric nanomaterials of similar morphology.

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Figure 1: Measuring the dielectric properties of small particles.

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Authors and Affiliations

  1. Condensed Matter Physics Department and Centro de Investigación en Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, 28049, Spain

    Enrique Sahagún & Juan José Sáenz

  2. Donostia International Physics Center, Donostia-San Sebastián, 20018, Spain

    Juan José Sáenz

Authors
  1. Enrique Sahagún
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  2. Juan José Sáenz
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Correspondence to Juan José Sáenz.

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Sahagún, E., Sáenz, J. Polarizability reveals identity. Nature Mater 11, 748–749 (2012). https://doi.org/10.1038/nmat3410

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