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Developing cryogenic and vacuum transfer capabilities at the Australian Centre for Microscopy and Microanalysis

Through new developments in the area of cryogenic and vacuum transfer, it is now possible to study non-traditional materials and phenomena using atom probe tomography, including soft matter and the distribution of solute hydrogen. At the University of Sydney we have been developing one of only a handful of systems that enable the transfer of samples at, or near to liquid nitrogen temperatures between multiple characterisation platforms. Our cryogenic interconnected laboratory incorporates a local electrode atom probe, a focused ion beam-scanning electron microscope (FIB-SEM) with a cryogenic stage and a glovebox that enables the transfer of samples between a nitrogen atmosphere and high-vacuum at cryogenic temperatures. To facilitate the transfer of these samples we utilise an ultra-high vacuum cryogenic transfer suitcase, pictured herein.