What is Atom Probe Tomography? Atom Probe Tomography (APT) is a powerful analytical technique that provides three-dimensional (3D) imaging and chemical composition analysis of materials at the atomic ...

“In electron microscopy, contrast is proportionate to atomic mass,” says Arun ... turn instead to a technology called atom probe tomography (APT). APT uses either ultrafast electrical or ...

A recent study using atom probe tomography (APT), however, successfully characterized trace element distributions in framboids, or spherical clusters of microcrystals of pyrite, with improved ...