Atom Probe Tomography Spatial Reconstruction: Status and Directions

TL;DR

This paper reviews the current state of atom probe tomography spatial data reconstruction, discusses potential improvements using advanced numerical methods, and examines how these can enhance nanoscale microstructure imaging accuracy.

Contribution

It provides a comprehensive overview of existing reconstruction methods and proposes new directions for improving spatial resolution through advanced numerical techniques.

Findings

Current reconstruction methods have limitations in spatial resolution.

Potential improvements include advanced numerical methods for better accuracy.

Understanding near and far field effects is crucial for method enhancement.

Abstract

In this review we present an overview of the current atom probe tomography spatial data reconstruction paradigm, and explore some of potential routes to improve the current methodology in order to yield a more accurate representation of nanoscale microstructure. Many of these potential improvement methods are directly tied to extensive application of advanced numerical methods, which are also very briefly reviewed. We have described effects resulting from the application of the standard model and then introduced several potential improvements, first in the far field, and, second, in the near field. The issues encountered in both cases are quite different but ultimately they combine to determine the spatial resolution of the technique.