Effect of Dynamic Reconstruction on Particle Size and Morphology in Atom Probe Tomography
Source abstract
Abstract
Abstract Atom probe tomography enables three-dimensional mapping of elements within material volumes with subnanometer resolution. Standard tomographic reconstruction methods rely on simplified assumptions regarding key parameters such as the field factor and image compression factor, which can introduce inaccuracies. In this study, we apply a dynamic reconstruction approach that adjusts these parameters in response to the evolving morphology of the specimen during field evaporation. Our results show that dynamic reconstruction significantly improves the accuracy of measurements, particularly regarding the size and morphology of nanoscale particles in aluminum and nickel alloys. Compared with standard reconstruction, the dynamic approach provides more accurate particle dimensions and shapes. These findings underscore the benefits of using dynamic reconstruction for the precise characterization of complex microstructures, especially in particle-containing materials.
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Research context
OpenAlex topics: Advanced Materials Characterization Techniques · Hydrogen embrittlement and corrosion behaviors in metals · Fusion materials and technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science and Engineering, NTNU, Norwegian University of Science and Technology , Trondheim 7491 ,
Max Planck Institute for Sustainable Materials, Düsseldorf 40237 ,
Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, GPM UMR 6634 , F-76000 Rouen ,
Department of Materials, Royal School of Mines, Imperial College, Prince Consort Road, London SW7 2BP ,
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