New electron microscopy method sculpts 3-D structures

Oak Ridge National Laboratory researchers have developed a way to build precision-sculpted 3-D strontium titanate nanostructures as small as one nanometer, using scanning transmission electron microscopes, which are normally used for imaging.The technique could find uses in fabricating structures for functional nanoscale devices such as microchips. The structures grow epitaxially (in perfect crystalline alignment), which ensures that the same electrical and mechanical properties extend throughout the whole material, with more pronounced control over properties. The process can also be observed with atomic resolution.

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