Atom Probe Tomography (IMAGE) DOE/Argonne National Laboratory Caption Atom probe tomography reconstruction at a grain boundary in lightly doped solid electrolyte showing the 3D distribution of impurities in the sample. Credit Northwestern University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.