Gault, B.; Shoji Aota, L.; Krämer, M.; Kim, S.-H.: From impurity ingress to high-performance doping: A perspective on atom probe tomography in energy materials. Scripta Materialia 262, 116648 (2025)
Sandim, M. J. R.; Nagamine, L. C. M.; Kwiatkowski da Silva, A.; Aota, L. S.; Han, L.; Cohen, R.; Zschommler Sandim, H. R.; Gault, B.; Souza Filho, I. R.: Anomalous magnetization induced by local chemistry fluctuations in Mn-containing a'-martensite. Acta Materialia 272, 119956 (2024)
Lyrio, M. S.; Shoji Aota, L.; Sandim, M. J. R.; Sandim, H. R. Z.: Additive manufacturing of Fe-3.5 wt.-%Si electrical steel via laser powder bed fusion and subsequent thermomechanical processing. Journal of Materials Science 59 (9), pp. 4019 - 4038 (2024)
Yoo, S.-H.; Aota, L. S.; Shin, S.; El-Zoka, A. A.; Kang, P. W.; Lee, Y.; Lee, H.; Kim, S.-H.; Gault, B.: Dopant Evolution in Electrocatalysts after Hydrogen Oxidation Reaction in an Alkaline Environment. ACS Energy Letters 8 (8), pp. 3381 - 3386 (2023)
Aota, L. S.; Jung, C.; Zhang, S.; Kim, S.-H.; Gault, B.: Revealing Compositional Evolution of PdAu Electrocatalyst by Atom Probe Tomography. ACS Energy Letters 8 (6), pp. 2824 - 2830 (2023)
Harada, A. T.; Zanni, E. G. S.; Aota, L. S.; Zilnyk, K. D.; Lima, M. S. F.; Abdalla, A. J.: Mechanical Properties of Laser Beam Welded Dissimilar High Strength Steels: 300M and DP 780. Materials Research-Ibero-American Journal of Materials 26 (1), e20230089 (2023)
Mota, C. F. G. S.; Aota, L. S.; Sandim, H. R. Z.; Zilnyk, K. D.; Sandim, M. J. R.: Austenite reversion in lean duplex steel: Microstructural, dilatometric and magnetic characterization. Materials Characterization 195, 112509 (2023)
Singh, M. P.; Woods, E.; Kim, S.-H.; Jung, C.; Aota, L. S.; Gault, B.: Facilitating the Systematic Nanoscale Study of Battery Materials by Atom Probe Tomography through in-situ Metal Coating. Batteries & Supercaps 7 (2), e202300403 (2023)
Aota, L. S.; Souza Filho, I. R.; Roscher, M.; Ponge, D.; Sandim, H. R. Z.: Strain hardening engineering via grain size control in laser powder-bed fusion. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing 838, 142773 (2022)
Pinto, F. C.; Aota, L. S.; Souza Filho, I. R.; Raabe, D.; Sandim, H. R. Z.: Recrystallization in non-conventional microstructures of 316L stainless steel produced via laser powder-bed fusion: effect of particle coarsening kinetics. Journal of Materials Science 57, pp. 9576 - 9598 (2022)
Water electrolysis has the potential to become the major technology for the production of the high amount of green hydrogen that is necessary for its widespread application in a decarbonized economy. The bottleneck of this electrochemical reaction is the anodic partial reaction, the oxygen evolution reaction (OER), which is sluggish and hence…
This project targets to exploit or develop new methodologies to not only visualize the 3D morphology but also measure chemical distribution of as-synthesized nanostructures using atom probe tomography.
The group aims at unraveling the inner workings of ion batteries, with a focus on probing the microstructural and interfacial character of electrodes and electrolytes that control ionic transport and insertion into the electrode.
The full potential of energy materials can only be exploited if the interplay between mechanics and chemistry at the interfaces is well known. This leads to more sustainable and efficient energy solutions.
In order to develop more efficient catalysts for energy conversion, the relationship between the surface composition of MXene-based electrode materials and its behavior has to be understood in operando. Our group will demonstrate how APT combined with scanning photoemission electron microscopy can advance the understanding of complex relationships…
To advance the understanding of how degradation proceeds, we use the latest developments in cryo-atom probe tomography, supported by transmission-electron microscopy. The results showcase how advances in microscopy & microanalysis help bring novel insights into the ever-evolving microstructures of active materials to support the design of better…