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  • Colin Ophus and Florian Niekiel, Berkeley Lab

    Scientists map every atom inside a nanoparticle

    by 
    Jon Fingas
    Jon Fingas
    02.06.2017

    Even the smallest defects can create serious problems. It's a good thing, then, that researchers have found a way to map nanoparticles at an "unprecedented" level of detail -- they've located the 3D positions of all 23,000 atoms in an iron-platinum particle. The group used an extremely high-resolution transmission electron microscope (TEAM I) to capture 2D projections of the nanoparticle's structure, and used an algorithm to stitch those together into a 3D reconstruction. If there's a missing or misplaced atom, you could easily spot it.