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3D Printing at the Nanoscale Level

Ondrej Dyck, a researcher at Oak Ridge National Laboratory, used a scanning transmission electron microscope to move single atoms in a two-dimensional layer of graphene, an approach that could build nanoscale devices from the atomic level up for quantum-based applications. A novel technique that nudges single atoms to switch places within an atomically thin material could bring scientists another step closer to realizing theoretical physicist Richard Feynman’s vision of nanotechnology, and building tiny machines from the atom up. This approach could be used to “build” materials that harness the quantum nature of atoms and the demand for such materials is driving the need to build atomically precise electronics and sensors. Fabricating nanoscale devices atom by atom requires delicacy and precision, which has been demonstrated by a microscopy team at the DoE’s Oak Ridge National Laboratory. The researchers used a scanning transmission electron microscope, or STEM, at the lab’s Center […]

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