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. Author manuscript; available in PMC: 2023 Sep 15.
Published in final edited form as: Nat Rev Methods Primers. 2021;1(51):10.1038/s43586-021-00047-w. doi: 10.1038/s43586-021-00047-w

Fig. 7 |. Spatial resolution of APT in the analysis of precipitates.

Fig. 7 |

a | Successive detection ion maps obtained for 106 detected ions during analysis of a model 7XXX-series aluminium alloy; more details on materials can be found in REF.450. b | Schematic view of compression or divergence of trajectories associated with the presence of precipitates, and associated imaging error. c | Size of precipitates reported by atom probe tomography (APT) versus small-angle scattering (SAS), highlighting the presence of an effective spatial resolution limit below which microstructural features are detected but their size and composition can no longer be directly accurately measured. For the references in part c, please refer to REF.1. R, specimen radius; σi, precision. Part c adapted with permission from REF.1, Elsevier.