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Controlling the physical and chemical properties of nanoparticles requires a comprehensive study on a clear and accurate image of the particles. A highly sophisticated scanning electron microscope has long been regarded as the most important tool for this purpose.

Transparent materials influence the phase evolution of transmitted radiation, however, chromatic dispersion is an issue. Ossiander, M et al.'s article published in Nature Communications experimentally displays the use of ultrathin nanostructured coatings that address this dispersion.