Fig. 3: Quantification of H and O pickup during UHVCTS transfer by pulsed voltage mode of APT (Workflow 1). | npj Materials Degradation

Fig. 3: Quantification of H and O pickup during UHVCTS transfer by pulsed voltage mode of APT (Workflow 1).

From: Insights from quasi-in situ cryogenic-transfer atom probe tomography for analyzing hydrogen diffusion in metallic alloys

Fig. 3

The mass-to-charge spectra for a 0–80 Da and b magnified view of 23–35 Da for the APT datasets collected using voltage pulsed mode analysis of the same needle sample and 1D composition profile showing the change in c H-concentration d O-concentration and e bulk H-concentration of the entire reconstructed dataset of baseline, buffer chamber (30 min), and glovebox (30 min) exposed conditions of Workflow 1.

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