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Keyword: electrontomography

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  • ScienceShot: Crystal Clear Nano-Gold

    03/21/2012 11:06:30 PM PDT · by neverdem · 9 replies
    ScienceNOW ^ | Robert F. Service | 21 March 2012
    Credit: Image courtesy of Nature Press Superman has nothing on Jianwei Miao, at least in the vision department. Miao, a physicist at the University of California, Los Angeles, and his colleagues have developed a way to image any type of nanoparticle with unprecedented accuracy. In the picture above, the technique, called electron tomography, shows a gold nanoparticle made up of 3871 atoms. Inside the nanoparticle, the researchers could easily resolve multiple "grains" (green, gold, blue, and red) in which atoms in each grain share a common atomic alignment that is offset from neighboring grains. The technique also manages to...