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Dielectric nanoparticles

Polarizability reveals identity

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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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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