Researchers from the Georgia Institute of Technology have found a way to accelerate the additive manufacturing of nanometer scale structures by using a small, high-energy supersonic jet of inert gas to energize precursor molecules.

The novel approach is also enabling the production of nanoscale structures with high aspect ratios. The technique, which could lead to new applications in nanoscale 3D printing, is based on a focused electron beam deposition process that enables structures to be produced from gas-phase precursors at speeds comparable to those of liquid phase without the need to heat the substrates.

According to the research team, the method’s print rates make the process suitable for applications in magnetic memory, high-frequency antennas, quantum communication devices, spintronics and atomic-scale resonators. “We are controlling matter on the atomic scale to bring about new modes of additive manufacturing,” said Andrei Fedorov, a professor in the George W. Woodruff School of […]

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