Researcher Portfolio
Prof. Dr. Choi, Pyuck-Pa
Atom Probe Tomography, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
Researcher Profile
Position: Atom Probe Tomography, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society
Position: Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea
Researcher ID: https://pure.mpg.de/cone/persons/resource/persons125088
Publications
(1 - 25 of 262)
: Sung, M. Y., Jang, T. J., Song, S. Y., Lee, G., Ryou, K., Oh, S.-H., Lee, B.-J., Choi, P.-P., Neugebauer, J., Grabowski, B., Körmann, F., Ikeda, Y., Zargaran, A., & Sohn, S. S. (2025). Ultrastrong and ductile CoNiMoAl medium-entropy alloys enabled by L12 nanoprecipitate-induced multiple deformation mechanisms. Journal of Materials Science & Technology, 225, 72-86. doi:10.1016/j.jmst.2024.11.026. [PubMan] : Jang, K., Ko, W.-S., Son, J.-H., Jang, J.-I., Kim, B., Vega-Paredes, M., Jang, H., Allahyari, M., Kim, S.-H., Ryou, K., Chae, D., Park, H., Jung, Y. S., Oh, M.-W., Jung, C., Scheu, C., & Choi, P.-P. (2024). Impact of Hierarchical Dopant-Induced Microstructure on Thermoelectric Properties of p-Type Si–Ge Alloys Revealed by Comprehensive Multi-Scale Characterization. Advanced Functional Materials, 34(40): 2403785. doi:10.1002/adfm.202403785. [PubMan] : Park, H., Jung, C., Yi, S., & Choi, P.-P. (2023). Elucidating the ball-milling-induced crystallization mechanism of amorphous NbCo1.1Sn via atomic-scale compositional analysis. Journal of Alloys and Compounds, 968: 172014. doi:10.1016/j.jallcom.2023.172014. [PubMan] : Jung, C., Jang, K., Park, H., Jang, J., Jang, H., Kang, B., Park, K., Zhang, S., Bueno Villoro, R., Park, S., Ryu, H. J., Jung, Y. S., Oh, M.-W., Scheu, C., Yi, S.-H., & Choi, P.-P. (2023). Enhanced thermoelectric properties of NbCoSn half-Heuslers through in-situ nanocrystallization of amorphous precursors during the consolidation process. Journal of Materials Science & Technology, 165, 39-48. doi:10.1016/j.jmst.2023.04.037. [PubMan] : Park, Y., Lee, C., Choi, J., Kang, P. W., Scheu, C., Lee, H. M., Choi, P.-P., & Jung, C. (2023). The interfaces of Ag-rich and Cu-rich AgCu phases boost oxygen reduction activity. Applied Surface Science, 637: 157949. doi:10.1016/j.apsusc.2023.157949. [PubMan] : Jung, C., Jeon, S.-j., Lee, S., Park, H., Han, S., Oh, J., Yi, S.-H., & Choi, P.-P. (2023). Reduced lattice thermal conductivity through tailoring of the crystallization behavior of NbCoSn by V addition. Journal of Alloys and Compounds, 962: 171191. doi:10.1016/j.jallcom.2023.171191. [PubMan] : Jung, C., Zhang, S., Cheng, N., Scheu, C., Yi, S.-H., & Choi, P.-P. (2023). Effect of Heat Treatment Temperature on the Crystallization Behavior and Microstructural Evolution of Amorphous NbCo1.1Sn. ACS Applied Materials and Interfaces, 15(39), 46064-46073. doi:10.1021/acsami.3c10298. [PubMan] : Jung, C., Jang, K., Zhang, S., Bueno Villoro, R., Choi, P.-P., & Scheu, C. (2023). Sb-doping induced order to disorder transition enhances the thermal stability of NbCoSn1-xSbx half-Heusler semiconductors. Talk presented at The 20th International Microscopy Congress, PS-07.2. Microscopy of Semiconductor Materials and Devices. Busan, Republic of Korea. 2023-09-10 - 2023-09-15. [PubMan] : Kim, S.-H., Jun, H., Jang, K., Choi, P.-P., Gault, B., & Jung, C. (2023). Exploring the Surface Segregation of Rh Dopants in PtNi Nanoparticles through Atom Probe Tomography Analysis. The Journal of Physical Chemistry C, 127(46), 22721-22725. doi:10.1021/acs.jpcc.3c05016. [PubMan] : Yoo, B., Jung, C., Ryou, K., Choi, W. S., Haußmann, L., Yang, S., Boll, T., Neumeier, S., & Choi, P.-P. (2022). Directed energy deposition of γ/γ' Co–Al–W superalloys. Additive Manufacturing, 60: 103287. doi:10.1016/j.addma.2022.103287. [PubMan] : Jung, C., Jun, H., Jang, K., Kim, S.-H., & Choi, P.-P. (2022). Tracking the Mn Diffusion in the Carbon-Supported Nanoparticles Through the Collaborative Analysis of Atom Probe and Evaporation Simulation. Microscopy and Microanalysis, 28(6), 1841-1850. doi:10.1017/S1431927622012211. [PubMan] : Jang, T. J., Choi, W. S., Kim, D. W., Choi, G., Jun, H., Ferrari, A., Körmann, F., Choi, P.-P., & Sohn, S. S. (2021). Shear band-driven precipitate dispersion for ultrastrong ductile medium-entropy alloys. Nature Communications, 12(1): 4703. doi:10.1038/s41467-021-25031-6. [PubMan] : Jang, K., Kim, S.-H., Jun, H., Jung, C., Yu, J., Lee, S., & Choi, P.-P. (2021). Three-dimensional atomic mapping of ligands on palladium nanoparticles by atom probe tomography. Nature Communications, 12(1): 4301. doi:10.1038/s41467-021-24620-9. [PubMan] : Seok Choi, W., Pang, E. L., Ko, W.-S., Jun, H., Bong, H. J., Kirchlechner, C., Raabe, D., & Choi, P.-P. (2021). Orientation-dependent plastic deformation mechanisms and competition with stress-induced phase transformation in microscale NiTi. Acta Materialia, 208: 116731. doi:10.1016/j.actamat.2021.116731. [PubMan] : Jang, K., Kim, S.-H., Jun, H., Jung, C., Yu, J., Lee, S., & Choi, P.-P. (2021). Publisher Correction: Three-dimensional atomic mapping of ligands on palladium nanoparticles by atom probe tomography (Nature Communications, (2021), 12, 1, (4301), 10.1038/s41467-021-24620-9). Nature Communications, 12(1): 5521. doi:10.1038/s41467-021-25765-3. [PubMan] : Im, H. J., Makineni, S. K., Oh, C.-S., Gault, B., & Choi, P.-P. (2021). Elemental Sub-Lattice Occupation and Microstructural Evolution in γ/γ′ Co–12Ti–4Mo–Cr Alloys. Microscopy and Microanalysis; First View, 1-5. doi:10.1017/S1431927621000362. [PubMan] : Im, H. J., Lee, S., Choi, W. S., Makineni, S. K., Raabe, D., Ko, W.-S., & Choi, P.-P. (2020). Effects of Mo on the mechanical behavior of γ/γʹ-strengthened Co–Ti-based alloys. Acta Materialia, 197, 69-80. doi:10.1016/j.actamat.2020.07.037. [PubMan] : Lim, J., Kim, S.-H., Aymerich Armengol, R., Kasian, O., Choi, P.-P., Stephenson, L., Gault, B., & Scheu, C. (2020). Atomic‐Scale Mapping of Impurities in Partially Reduced Hollow TiO2 Nanowires. Angewandte Chemie International Edition, 59(14), 5651-5655. doi:10.1002/anie.201915709. [PubMan] : Joohyun Lim, Se-Ho Kim, Raquel Aymerich Armengol, Olga Kasian, Pyuck-Pa Choi, Leigh Stephenson, Baptiste Gault, & Christina Scheu (2020). Atomic-Scale Mapping of Impurities in Partially Reduced Hollow TiO2 Nanowires. Angewandte Chemie (deutsche Ausgabe), 132(14), 5700-5704. doi:10.1002/ange.201915709. [PubMan] : Choi, W. S., Oh, H. S., Lai, M., Malyar, N. V., Kirchlechner, C., Park, E. S., & Choi, P.-P. (2020). Effects of transformation-induced plasticity on the small-scale deformation behavior of single crystalline complex concentrated alloys. Scripta Materialia, 176, 122-125. doi:10.1016/j.scriptamat.2019.09.015. [PubMan] : Lim, J., Kim, S.-H., Sahu, R., Aymerich Armengol, R., Kasian, O., Choi, P.-P., Stephenson, L., Gault, B., & Scheu, C. (2019). Detection of trace impurities and other defects in functional nanomaterials. Talk presented at International Workshop on Advanced and In-situ Microscopies of Functional Nanomaterials and Devices, IAMNano 2019. Düsseldorf, Germany. 2019-10-27 - 2019-10-30. [PubMan] : Schwarz, T., Redinger, A., Siebentritt, S., Peng, Z., Gault, B., Raabe, D., & Choi, P.-P. (2019). Variable chemical decoration of extended defects in Cu-poor Cu2ZnSnSe4 thin films. Physical Review Materials, 3: 035402. doi:10.1103/PhysRevMaterials.3.035402. [PubMan] : Peng, Z., Zanuttini, D., Gervais, B., Jacquet, E., Blum, I., Choi, P.-P., Raabe, D., Vurpillot, F., & Gault, B. (2019). Unraveling the Metastability of Cn2+ (n = 2-4) Clusters. The Journal of Physical Chemistry Letters, 10(3), 581-588. doi:10.1021/acs.jpclett.8b03449. [PubMan] : Seol, J. B., Ko, W.-S., Bae, J. W., Jo, Y. H., Li, Z., Choi, P.-P., Raabe, D., & Kim, H. S. (2018). Transition in boron boundary cohesion from effectiveness to harmfulness with respect to application temperatures: high-entropy alloys and Ni-based superalloys. Talk presented at 2nd International Conference on High-Entropy Materials (ICHEM 2018). Jeju, South Korea. 2018-12-09 - 2018-12-12. [PubMan] : Jun, H., Choi, P.-P., Li, Z., & Raabe, D. (2018). Design of dual-phase refractory multi-principle element alloys. Poster presented at 2nd International Conference on High-Entropy Materials (ICHEM 2018), Jeju, South Korea. [PubMan]