Journals
Journals
(Corresponding author is underlined)
2024
165. Direct observation of trace elements in BaTiO3 of multilayer ceramic capacitors using atom probe tomography
K. Jang, M.Y. Kim, C. Jung, S.H. Kim, D. Choi, S.C. Park, C. Scheu, P. Choi
Microscopy and Microanalysis, 2024 (Accepted)
164. Novel Ni-Co-based superalloys with high thermal stability and specific yield stress discovered by directed energy deposition
B. Yoo, C. Jung, K. Jang, H. Jun, P. Choi
Materials & Design 238 (2024) 112607.
163. Fe-based high-entropy alloy with excellent mechanical properties enabled by nanosized precipitates and heterogeneous grain distribution
H. Jung1, S. Lee1, T. Kang, A. Zargaran, P. Choi, S.S. Sohn
Journal of Materials Science & Technology 181 (2024) 71-81.
2023
162. Exploring the Surface Segregation of Rh Dopants in PtNi Nanoparticles through Atom Probe Tomography Analysis
S.H. Kim, H. Jun, K. Jang, P. Choi, B. Gault, C. Jung
The Journal of Physical Chemistry C 127 (2023) 22721-22725.
161. The interfaces of Ag-rich and Cu-rich AgCu phases boost oxygen reduction activity
Y. Park1, C. Lee1, J. Choi1, P. W. kang, C. Scheu, H. M. Lee, P. Choi, C. Jung
Applied Surface Science 637 (2023) 157949.
160. Reduced lattice thermal conductivity through tailoring of the crystallization behavior of NbCoSn by V addition
C. Jung, S.J. Jeon, S. Lee, H. Park, S. Han, J. Oh, S.H. Yi, P. Choi
Journal of Alloys and Compounds 962 (2023) 171191.
159. Elucidating the evolution of long-period stacking ordered phase and its effect on deformation behavior in the as-cast Mg-6Gd-1Zn-0.6Zr alloy
S. Lee, Y. Park, J. Go, Y.M. Kim, S.S. Sohn, J. Li, P. Choi
Journal of Magnesium and Alloys 11 (2023) 2801-2810
158. Elucidating the ball-milling-induced crystallization mechanism of amorphous NbCo1.1Sn via atomic-scale compositional analysis
H.Park, C. Jung, S. Yi, P. Choi
Journal of Alloys and Compounds 968 (2023) 172014.
157. Microstructural evolution and hot cracking prevention in direct-laser deposited Ni-based superalloy through Hf addition
K.H. Ryou, H.J. Im, J. Park, P. Choi
Materials & Design 234 (2023) 112298.
156. Thermally driven changes in the microstructure and mechanical properties of martensitic 15-5 precipitation-hardened stainless steel during directed energy deposition
H.J. Im1, K.H. Ryou1, T. Kang, S. Jimbo, S. Nambu, J. Han, P. Choi
Additive Manufacturing 74 (2023) 103729.
155. Trace-Level Cobalt Dopants Enhance CO2 Electroreduction and Ethylene Formation on Copper
B. Kim1, Y. Tan1, Y. Ryu1, K. Jang, H. Abbas, T. Kang, H. Choi, K. Lee, S. Park, W. Kim, P. Choi, S. Ringe, J. Oh
ACS Energy Letters 8 (2023) 3356-3364.
154. Enhanced thermoelectric properties of NbCoSn half-Heuslers through in-situ nanocrystallization of amorphous precursors during the consolidation process
C. Jung, K. Jang, H. Park, J. Jang, H. Jang, B. Kang, K. Park, S. Zhang, R. B. Villoro, S. Park, H.J. Ryu, Y.S. Jung, M. Oh, C. Scheu, S. Yi, P. Choi
Journal of Materials Science & Technology 165 (2023) 39-48.
153. Effect of titanium nitride inclusions on the mechanical properties of direst laser deposited Inconel 718
K. Lim1, K.H. Ryou1, J. Choi, G. Choi, W.S. Choi, J. Lee, C. Oh, P. Choi, G. Sim
Extreme Mechanics Letters 61 (2023) 102009.
152. Tuning the C1/C2 Selectivity of Electrochemical CO2 Reduction on Cu–CeO2 Nanorods by Oxidation State Control
S. Hong1, H.G. Abbas1, K. Jang1, K.K. Patra, B. Kim, B. Choi, H. Song, K. Lee, P. Choi, S. ringe, J. Oh
Advanced Materials 35 8 (2023) 2370051. (Featured as Front Cover)
151. Doubled strength and ductility via maraging effect and dynamic precipitate transformation in ultrastrong medium-entropy alloy
H. Chung1, W.S. Choi1, H. Jun, H. Do, B. Lee, P. Choi, H.N. Han, W. Ko, S.S. Sohn
Nature Communications 14 (2023) 145.
150. Promotion of topologically close-packed phases in a Ru-containing Ni-based superalloy
S. Lee, J. Do, K. Jang, H. Jun, Y, Park, P. Choi
Scripta Materialia 222 (2023) 115041.
[LINK]
2022
149. Pulsed laser-assisted additive manufacturing of Ti-6Al-4V for in-situ grain refinement
H. Yoon, P. Liu, Y. Park, G. Choi, P. Choi, H. Sohn
Scientific Reports 12 1 (2022) 22247.
148. Tracking the Mn Diffusion in the Carbon-Supported Nanoparticles Through the Collaborative Analysis of Atom Probe and Evaporation Simulation
C. Jung1, H. Jun1, K. Jang, S. Kim, P. Choi
Microscopy and Microanalysis 28 (2022) 1841.
147. Kinetic stabilization of a topotactically transformed texture morphology via doping in Ni-rich lithium layered oxides
C. Jung, C. Jung, J. Lee, J. Oh, H. Shim, W. Kim, E. Lee, M. Kim, P. Choi, S. Hong
Journal of Materials Chemistry A 10 (2022) 13735.
146. Directed energy deposition of γ/γ' Co-Al-W superalloys
B. Yoo, C. Jung, K.H. Ryou, W.S. Choi, L. Haußmann, S. Yang, T. Boll, S. Neumeier, P. Choi
Additive Manufacturing 60 B (2022) 103287.
145. Atom-Scale Chemistry in Chalcopyrite-Based Photovoltaic Materials Visualized by Atom Probe Tomography
K. Kim1, C. Jung1, K. Yim1, I. Jeong, D. Shin, I. Hwang, S. Song, S. K. Ahn, Y.-J. Eo, A. Cho, J.-S. Cho, J. H. Park, P. Choi, J. H. Yun, J. Gwak
ACS Applied Materials & Interfaces (2022).
144. Effects of aging time on the microstructural evolution and strengthening behavior of a VCoNiMo medium-entropy alloy
Y.M. Kim1, S. Lee1, K.J. Kim, T.J. Jang, H. Do, K, Jang, W.S. Choi, M. Jo, B. Lee, P. Choi, S.S. Sohn
Materials Science and Engineering A 857 (2022) 14412.
143. Improving toughness of medium-Mn steels after friction stir welding through grain morphology tuning
M.S. Jeong, T.M. Park, D.I. Kim, H. Fujii, H.J. Im, P. Choi, S.J. Lee, J. Han
Journal of Materials Science and Technology 118 (2022) 243-254.
142. Self-assembled nano-composite perovskites as highly efficient and robust hybrid cathodes for solid oxide fuel cells
J. H. Kim, K. Jang, D.K. Lim, S. Ahn, D.H. Oh, H. Kim, J. Seo, P. Choi, W.C. Jung
Journal of Materials Chemistry A 10 (2022) 2496-2508.
141. Decomposition behavior of yttria-stabilized zirconia and its effect on directed energy deposited Ti-based composite material
G. Choi, W.S. Choi, Y.S. Lee, D. Kim, J.H. Sung, S. An, C.S. Oh, A. Hattal, M. Djemai, B. Bacroix, G. Dirras, P. Choi
Journal of Materials Science and Technology 112 (2022) 138-150.
140. Joining dissimilar metal of Ti and CoCrMo using directed energy deposition
V.D. Sartika1, W.S. Choi1, G. Choi, J. Han, S. Chang, W. Ko, B. Grabowski, P. Choi
Journal of Materials Science and Technology 111 (2022) 99-110.
2021
139. Reducing time to discovery: materials and molecular modeling, imaging, informatics, and integration
S. Hong, C.H. Liow, J.M. Yuk, H.R. Byon, Y. Yang, E. Cho, J. Yeom, G. Park, H. Kang, S. Kim, Y. Shim, M. Na, C. Jeong, G. Hwang, H. Kim, H. Kim, S, Eom, S. Cho, H. Jun, Y. Lee, A. Baucour, K. Bang, M. Kim, S. Yun, J. Ryu, Y. Han, A. Jetybayeva, P. Choi, J.C. Agar, S.V. Kalinin, P.W. Voorhees, P. Littlewood, H.M. Lee
ACS Nano 15 (2021) 3971-3995
138. Shear band-driven precipitate dispersion for ultrastrong ductile medium-entropy alloys
T.J. Jang, W.S. Choi, D.W. Kim, G. Choi, H. Jun, A. Ferrari, F. Kormann, P. Choi, S.S. Sohn
Nature Communications 12 (2021) 1-9
137. Three-dimensional atomic mapping of ligands on palladium nanoparticles by atom probe tomography
K. Jang, S. Kim, H. Jun, C. Jung, J. Yu, S. Lee, P. Choi
Nature Communications 12 (2021) 1-10 (Editors' Highlights in Materials science and chemistry)
136. Atom Probe Tomography Investigations of Ag Nanoparticles Embedded in Pulse-Electrodeposited Ni Films
H. Jun, K. Jang, C. Jung, P. Choi
Microscopy and Microanalysis 27 (2021) 1007-1016
135. Hot cracking behavior of additively manufactured D2 steel
S.H. Lim, K.H. Ryou, K. Jang, W.S. Choi, H.M. Lee, P. Choi
Materials Characterization 178 (2021) 111217
134. Enhanced thermoelectric composite performance from mesoporous carbon additives in a commercial Bi0.5Sb1.5Te3 matrix
S. Kim, J.M. Park, K. Park, S. Chun, H.S. Lee, P. Choi, S. Yi
Journal of Materials Science & Technology 94 (2021) 175-182
133. Enhanced microstructural stability of γ/γ′-strengthened Co-Ti-Mo-based alloys through Al additions
H.J. Im, W.S. Choi, K.H. Ryou, J. Seol, T.H. Kang, W. Ko, P. Choi
Acta Materialia 214 (2021) 117011
132. Elemental Sub-Lattice Occupation and Microstructural Evolution in γ/γ′ Co-12Ti-4Mo-Cr Alloys
H.J. Im, S. K. Makineni, C. S. Oh, B. Gault, P. Choi
Microscopy and Microanalysis (2021) 1-5
131. Orientation-dependent plastic deformation mechanisms and competition with stress-induced phase transformation in microscale NiTi
W.S. Choi1, E. L. Pang1, W. Ko, H. Jun, H. J. Bong, C. Kirchlechner, D. Raabe, P. Choi
Acta Materialia (2021) 116731
130. On the oxygen-induced hot cracking in a direct laser deposited Ni-based superalloy
K.H. Ryou, B. Yoo, P. Choi
Scripta Materialia 196 (2021) 113751
129. Improved strength of a medium-Mn steel by V addition without sacrificing ductility
T.M. Park, M.S. Jeong, C. Jung, W.S. Choi, P. Choi, J. Han
Materials Science and Engineering: A 802 (2021) 140681
128. Dissecting functional degradation in NiTi shape memory alloys containing amorphous regions via atomisitc simulations
W. Ko, W.S. Choi, G. Xu, P. Choi, Y. Ikeda, B. Grabowski
Acta Materialia 202 (2021) 331-349
127. Tailoring nanostructured NbCoSn-based thermoelectric materials via crystallization of an amorphous precursor
C. Jung, B. Dutta, P. Dey, S. Jeon, S. Han, H.M. Lee, J.S. Park, S.H. Yi, P. Choi
Nano Energy 80 (2021) 105518
2020
126. FeNiCoAlTaB superelastic and shape-memory wires with oligocrystalline grain structure
W.S. Choi, E. L. Pang, P. Choi, C. A. Schuh
Scripta Materialia 188 (2020) 1-5
125. Additive Manufacturing of Titanium-Base Alloys with Equiaxed Microstructures using Powder Blends
G. Choi1, W.S. Choi1, J. Han, P. Choi
Additive Manufacturing 36 (2020) 101467
124. Effects of Mo on the mechanical behavior of γ/γ′-strengthened Co-Ti-based alloys
H.J. Im, S. Lee, W.S. Choi, S. K. Makineni, D. Raabe, W. Ko, P. Choi
Acta Materialia 197 (2020) 69-80
123. Characterization of Pd and Pd@Au core-shell nanoparticles using atom probe tomography and field evaporation simulation
S. Kim, K. Jang, P. Kang, J. Ahn, J. Seol, C. Kwak, C. Hatzoglow, F. Vurpillot, P. Choi
Journal of Alloys and Compounds 831 (2020) 154721
122. Atomically Embedded Ag via Electrodiffusion Boosts Oxygen Evolution of CoOOH Nanosheet Arrays
C. Lee1, K. Shin1, C. Jung1, P. Choi, G. Henkelman, H. Lee
ACS Catalysis 10 (2020) 562-569
121. Mechanisms of extrinsic alkali incorporation in CIGS solar cells on flexible polyimide elucidated by nanoscale and quantitative analyses
K. Kim, I. Jeong, Y. Cho, D. Shin, S. Song, S. Ahn, Y. Eo, A. Cho, C. Jung, W. Jo, J. Kim, P. Choi, J. Gwak, J. Yun
Nano Energy 67 (2020) 104201
120. Atomic scale mapping of impurities in partially reduced hollow TiO2 nanowires
J. Lim, S. Kim, R. A. Armengol, O. Kasian, P. Choi, L. Stephenson, B. Gault, C. Scheu
Angeweandte Chemie International Edition (2020) 10.1002
119.Effects of transformation-induced plasticity on the small-scale deformation behavior of sinigle crystalline complex concetrated alloys
W.S. Choi, H. Oh, M. Lai, N.V. Malyar, C. Kirchlechner, E. Park, P. Choi
Scripta Materialia 176 (2020) 122-125
2019
118. Microstructural evolution of the heat affected zone of a Co-Ti-W alloy upon laser cladding with a CoNiCrAlY coating
J. Han, B. Yoo, H. Im, C. S. Oh, P. Choi
Materials Characterization 158 (2019) 109998
117. Passivation of Deep-Level Defects by Cesium Fluoride Post-Deposition Treatment for Improved Device Performance of Cu(In,Ga)Se2 Solar Cells
H. Lee, Y. Jang, S. Nam, C. Jung, P. Choi, J. Gwak, J. Yun, K. Kim, B. Shin
ACS Applied Materials & Interfaces 11 (2019) 35653-35660.
116. Fabrication of Atom Probe Tomography Specimens from Nanoparticles Using a Fusible Bi–In–Sn Alloy as an Embedding Medium
S. Kim, J. Lee, J. Ahn, P. Choi
Microscopy and Microanalysis 25 (2019) 438-446.
115. Effects of phase composition and elemental partitioning on soft magnetic properties of AlFeCoCrMn high entropy alloys
C. Jung1, K. Kang1, A. Marshal, K. G. Pradeep, J. Seol, H. Lee, P. Choi
Acta Materialia 171 (2019) 31-39.
114. A simple and robust route toward flexible CIGS photovoltaic devices on polymer substrates - Atomic level microstructural analysis and local opto-electronic investigation
K. Kim, J. Kim, M. Gangc, S. Kim, S. Song, Y. Cho, D. Shin, Y. Eo, I. Jeong, Seung, S. Ahn, A. Cho, J. Kim, S. Yoon, P. Choi, W. Jo, J. Kim, J. Gwak, J. Yune
Solar Energy Materials and Solar Cells 195 (2019) 280 - 290.
113. Variable chemical decoration of extended defects in Cu-poor Cu2ZnSnSe4 thin films
T. Schwarz, A. Redinger, S. Siebentritt, Z. Peng, B. Gault, D Raabe, P. Choi
Phys. Rev. Materials 3, (2019) 035402.
112. Unraveling the Metastability of Cn2+ (n = 2–4) Clusters
Z. Peng, D. Zanuttini, B. Gervais, E. Jacquet, I. Blum, P. Choi, D. Raabe, F. Vurpillot, B. Gault
J. Phys. Chem. Lett., (2019) 581–588.
111. On the microstructural evolution and partitioning behavior of L12-structured γ′-based Co-Ti-W alloys upon Cr and Al alloying
B. Yoo, H. Im, J. Seol, P. Choi
Intermetallics 104 (2019) 97-102.
110. Crucial microstructural feature to determine the impact toughness of intercritically annealed medium-Mn steel with triplex-phase microstructure
M. Kim, T. Park, K. Baik, W. Choi, P. Choi, J. Han
Acta Materialia 164 (2019) 122-134.
2018
109. Compositional evolution of long-period stacking ordered structures in magnesium studied by atom probe tomography
J. Kim, W. Guo, P. Choi, D. Raabe
Scripta Materialia 156 (2018) 55–59.
108. On the nature of twin boundary-associated strengthening in Fe-Mn-C steel
W.S. Choi, S. Sandlöbes, N. V.Malyar, C. Kirchlechner, S. Korte-Kerzel, G. Dehm, P. Choi, D. Raabe
Scripta Materialia 156 (2018) 27–31.
107. Elemental partitioning and site-occupancy in γ/γ′ forming Co-Ti-Mo and Co-Ti-Cr alloys
H.J. Im, S.K. Makineni, B. Gault, F. Stein, D. Raabe, P. Choi
Scripta Materialia 154 (2018) 159–162.
106. Spallation resistance of oxide scales on Alloy 617 enhanced by boron addition
H. Jeong, S.H. Kim, W.S. Choi, P. Choi
Corrosion Science 140 (2018) 196–204.
105. A new method for mapping the three-dimensional atomic distribution within nanoparticles by atom probe tomography (APT)
S.H. Kim, P.W. Kang, O.O. Park, J.B. Seol, J.P. Ahn, J.Y. Lee, P. Choi
Ultramicroscopy 190 (2018) 30-38.
104. On the detection of multiple events in atom probe tomography
Z. Peng, F. Vurpillot, P. Choi, Y. Li, D. Raabe, B. Gault
Ultramicroscopy 189 (2018) 54-60.
2017
103. Enhanced Congo red dye removal from aqueous solutions using iron nanoparticles: adsorption, kinetics, and equilibrium studies
S.H. Kim, P. Choi
Dalton Transactions 46 (2017) 15470 - 15479.
102. Strengthening and strain hardening mechanisms in a precipitation-hardened high-Mn lightweight steel
M. Yao, E. Welsch, D. Ponge, S. Haghighat, S. Sandloebes, P. Choi, M. Herbig, I. Bleskov, T. Hickel, M. Lipinska-Chwalek, P. Shanthraj, C. Scheu, S. Zaeffere, B. Gault, D. Raabe
Acta Materialia 140 (2017) 258-173.
101. Modulation of plastic flow in metallic glasses via nanoscale networks of chemical heterogeneities
J. Kim, H. Oh, W. Kim, P. Choi, D. Raabe, E. Park
Acta Materialia 140 (2017) 116-129.
100. Oxidation behavior of AlN/CrN multilayered hard coatings
D. Tytko, P. Choi, D. Raabe
Nano Convergence 4 (2017) 15.
99. Long-term thermal stability of nanoclusters in ODS-Eurofer steel: An atom probe tomography study
K. D. Zilnyk, K.G. Pradeep, P. Choi, H. R. Z. Sandim, D. Raabe
Journal of Nuclear Materials 492 (2017) 142-147.
98. Evaluation of Analysis Conditions for Laser-Pulsed Atom Probe Tomography: Example of Cemented Tungsten Carbide
Z. Peng, P. Choi, B. Gault, D. Raabe
Microscopy and Microanalysis 23 (2017) 431-442.
97. Atomic diffusion induced degradation in bimetallic layer coated cemented tungsten carbide
Z. Peng, M. Rohwerder, P. Choi, B. Gault, T. Meiners, M. Friedrichs, H. Kreilkamp, F. Klocke, D. Raabe
Corrosion Science 120 (2017) 1-13.
96. Amorphous Phase Separation in an Fe-based Bulk Metallic Glass
W. Guo, P. Choi, J. Seol
Materials Letters 190 (2017) 161-164.
95. Formation of nanometer-sized Cu-Sn-Se particles in Cu2ZnSnSe4 thin-films and their effect on solar cell efficiency
T. Schwarz, O. Cojocaru-Mirédin, M. Mousel, A. Redinger, D. Raabe, P. Choi
Acta Materialia 132 (2017) 276-284.
2016
94. On Local Phase Equilibria and the Appearance of Nanoparticles in the Microstructure of Single-Crystal Ni-Base Superalloys
V. Yardley, I. Povstugar, P. Choi, D. Raabe, A.B. Parsa, A. Kostka, C. Somsen, A. Dlouhy, K. Neuking, E.P. George, G. Eggeler
Journal of Applied Physics 120 (2016) 00237.
93. (Nbx, Zr1–x)4AlC3 MAX Phase Solid Solutions: Processing, Mechanical Properties, and Density Functional Theory Calculations
T. Lapauw, D. Tytko, K. Vanmeensel, S. Huang, P. Choi, D. Raabe, E.N. Caspi, O. Ozeri, M. Baben, J.M. Schneider, K. Lambrinou, J. Vleugels
Journal of Applied Physics 120 (2016) 6b00484.
92. Impact of annealing on electrical properties of Cu2ZnSnSe4 absorber layers
T. Weiss, A. Redinger, G. Rey, T. Schwarz, M. Spies, O. Cojocura-Mirédin, P. Choi, S. Siebentritt
Journal of Applied Physics 120 (2016) 045703.
91. Phase selection and nanocrystallization in Cu-free soft magnetic FeSiNbB amorphous alloy upon rapid annealing
L. Morsdorf, K. G. Pradeep, G. Herzer, A. Kovács, R. Dunin-Borkowski, I. Povstugar, G. Konygin, P. Choi
Journal of Applied Physics 119 (2016) 124903.
90. Combined atom probe tomography and density functional theory investigation of the Al off-stoichiometry of κ-carbides in an austenitic Fe–Mn–Al–C low density steel
M. Yao, P. Dey, J. Seol, P. Choi, M. Herbig, R. K. W. Marceau, T. Hickel, J. Neugebauer, D. Raabe
Acta Materialia 106 (2016) 229-238.
89. Strain hardening by dynamic slip band refinement in a high-Mn lightweight steel
E. Welsch, D. Ponge, S. M. H. Haghighat, S. Sandlöbes, P. Choi, M. Herbig, S. Zaefferer, D. Raabe
Acta Materialia 116 (2016) 188-199.
88. Atom probe tomography of interfaces in ceramic films and oxide scales
K. Stiller, M. Thuvander, I. Povstugar, P. Choi, H. O. Andrén
MRS Bulletin 41 (2016) 35-39.
2003 - 2015 (Before appointment to KAIST)
87. Effect of ruthenium on the precipitation of topologically close packed phases in Ni-based superalloys of 3rd and 4th generation
K. Matuszewski, R. Rettig, H. Matysiak, Z. Peng, I. Povstugar, P. Choi, J. Müller, D. Raabe, E. Spiecker, K.J. Kurzydłowski, R.F. Singer
Acta Materialia 95 (2015) 274-283
86. Atom probe informed simulations of dislocation–precipitate interactions reveal the importance of local interface curvature
A. Prakash, J. Guenole, J. Wang, J. Muller, E. Spiecker, M.J. Mills, I. Povstugar, P. Choi, D. Raabe and E. Bitzek
Acta Materialia 92 (2015) 33-45
85. The role of grain boundaries in the initial oxidation behavior of austenitic stainless steel containing alloyed Cu at 700 °C for advanced thermal power plant application
J. H. Kim, B. K. Kim, D. I. Kim, P. P. Choi, D. Raabe, K. W. Yi
Corrosion Science 96 (2015) 52-66.
84. Synergy of atom-probe structural data and quantum-mechanical calculations in a theory-guided design of extreme-stiffness superlattices containing metastable phase
M. Friak, D. Tytko, D. Holec, P. Choi, P. Eisenlohr, D. Raabe, J. Neugebauer
New Journal of Physics 17 (2015) 093004-1-093004-8.
83. The nucleation of Mo-rich Laves phase particles adjacent to M23C6 micrograin boundary carbides in 12% Cr tempered martensite ferritic steels
M. I. Isik, A. Kostka, V. Yardley, K. G. Pradeep, M. J. Duarte, P. Choi, D. Raabe, G. Eggeler
Acta Materialia 90 (2015) 94-104.
82. Guided mass spectrum labelling in atom probe tomography
D. Haley, P. Choi, D. Raabe
Ultramicroscopy 159 (2015) 338-345.
81. Mining information from atom probe data
J. Cairney, K. Rajan, D. Haley, P. Bagot, P. Choi, P. Felfer, S. Ringer, R. Marceau, M. Moody
Ultramicroscopy 159 (2015) 324-337.
80. Atomic scale investigation of non-equilibrium segregation of boron in a quenched Mo-free martensitic steel
Y. Li, D. Ponge, P. Choi, D. Raabe
Ultramicroscopy 159 (2015) 240-247.
79. Homogeneity and composition of AlInGaN: A multiprobe nanostructure study
F. Krause, J. Ahl, D. Tytko, P. Choi, R. Egoavil, M. Schowalter, T. Mehrtens, K. Müller-Caspary, J. Verbeeck, D. Raabe, J. Hertkorn, K. Engl, A. Rosenauer
Ultramicroscopy 156 (2015) 29-36.
78. Combining structural and chemical information at the nanometer scale by correlative transmission electron microscopy and atom probe tomography
M. Herbig, P. Choi, D. Raabe
Ultramicroscopy 153 (2015) 32-39.
77. Elemental partitioning, lattice misfit and creep behavior of Cr containing gamma´-strengthened Co base superalloys
I. Povstugar, C. Zenk, R. Li, P. Choi, S. Neumeier, O. Dolotko, M. Hoelzel, S. Neumeier, M. Göken, D. Raabe,
Materials Science and Technology (2015) accepted, DOI 10.1179/1743284715Y.0000000112.
76. Detection of Cu2Zn5SnSe8 and Cu2Zn6SnSe9 phases in co-evaporated Cu2ZnSnSe4 thin-films
T. Schwarz, M. A. L. Marques, S. Botti, M. Mousel, A. Redinger, S. Siebentritt, O. Cojocaru-Mirédin, D. Raabe, P. Choi
Applied Physics Letters 107 (2015) 172102.
75. Atom probe tomography study of internal interfaces in Cu2ZnSnSe4 thin-films
T. Schwarz, O. Cojocaru-Mirédin, P. Choi, M. Mousel, A. Redinger, S. Siebentritt, D. Raabe,
Journal of Applied Physics 118, 095302 (2015).
74. Effects of Ru on elemental partitioning and precipitation of topologically close-packed phases in Ni-based superalloys
Z. Peng, I. Povstugar, K. Matuszewski, R. Rettig, R. Singer, A. Kostka, P. Choi, D. Raabe
Scripta Materialia 101 (2015)44-47.
73. Advanced Scale Bridging Microstructure Analysis of Single Crystal Ni-Base Superalloys
A. Parsa, P. Wollgramm, H. Buck, C. Somsen, A. Kostka, I. Povstugar, P. Choi, D. Raabe, A. Dlouhy, J. Müller, E. Spiecker, K. Demtroeder, J. Schreuer, K. Neuking, G. Eggeler
Advanced Engineering Materials 17 (2015) 216-230.
72. Deformation induced alloying in crystalline – metallic glass nano-composites
W. Guo, J. Yao, E. Jägle, P. Choi, M. Herbig, J. Schneider, D. Raabe
Materials Science and Engineering A 628 (2015) 269-280.
71. Dynamic strain aging studied at the atomic scale
H. Aboulfadl, J. Deges, P. Choi, D. Raabe
Acta Materialia 86 (2015) 34-42.
70. Mechanisms of subgrain coarsening and its effect on the mechanical properties of carbon-supersaturated nanocrystalline hypereutectoid
Y. J. Li, A. Kostka, P. Choi, S. Goto, D. Ponge, R. Kirchheim, D. Raabe
Acta Materialia 84 (2015) 110-123.
69. Segregation of boron at prior austenite grain boundaries in a quenched martensitic steel studied by atom probe tomography
Y. Li, D. Ponge, P. Choi, D. Raabe
Scripta Materialia 96 (2015) 13-16.
68. Thermal dissolution mechanisms of AlN/CrN hard coating superlattices studied by atom probe tomography and transmission electron microscopy
D. Tytko, P. Choi, D. Raabe
Acta Materialia 85 (2015) 32-41.
67. Grain boundary segregation in Fe-Mn-C twinning-induced plasticity steels studied by correlative electron backscatter diffraction and atom probe tomography
M. Herbig, M. Kuzmina, C. Haase, D. A. Molodov, R. K. W. Marceau, I. Gutierrez-Urrutia, D. Haley, P. Choi, D. Raabe
Acta Materialia 83 (2015) 37-47.
66. Precipitation and austenite reversion behavior of a maraging steel produced by selective laser melting
E. Jägle, P. Choi, J. van Humbeeck, D. Raabe
Journal of Materials Research 29 (2014) 2072-20179.
65. The Maximum Separation Cluster Analysis Algorithm for Atom-Probe Tomography: Parameter Determination and Accuracy
E. Jägle, P. Choi, D. Raabe
Microscopy and Microanalysis 20 (2014) 1662-1671.
64. Alloy design, combinatorial synthesis, and microstructure-property relations for low-density Fe-Mn-Al-C austenitic steels
D. Raabe, H. Springer, I. Gutierrez-Urrutia, F. Roters, M. Bausch, J. B. Seol, M. Koyama, P. Choi, K. Tsuzaki
JOM 66 (2014) 1845-1856.
63. Grain boundary segregation engineering in metallic alloys: A pathway to the design of interfaces
D. Raabe, M. Herbig, S. Sandlöbes, Y. Li, D. Tytko, M. Kuzmina, D. Ponge, P. Choi
Current opinion in Solid State and Materials Science 18 (2014) 253-261.
62. Segregation stabilizes nanocrystalline bulk steel with near theoretical strength
Y. J. Li, D. Raabe, M. Herbig, P. Choi, S. Goto, A. Kostka, H. Yarita, C. Borcher, R. Kirchheim
Physical Review Letters 113 (2014) 106104.
61. Shear-induced mixing governs co-deformation of crystalline-amorphous nanolaminates
W. Guo, E. A. Jägle, P. Choi, J. Yao, A. Kostka, J. M. Schneider, D. Raabe
Physical Review Letters 113 (2014) 035501.
60. Atom probe tomography observation of hydrogen in high-Mn steel and silver charged via an electrolytic route
D. Haley, S. Merzlikin, P. Choi, D. Raabe
International Journal of Hydrogen Energy 39 (2014) 12221-12229.
59. Elemental partitioning and mechanical properties of Ti and Ta containing Co-Al-W-base superalloys studied by atom probe tomography and nanoindentation
I. Povstugar, P. Choi, S. Neumeier, A. Bauer, C. Zenk , M. Göken, D. Raabe
Acta Materialia 78 (2014) 78-85.
58. Designing Heusler nano-precipitates by elastic misfit stabilization in Fe-Mn maraging steels
J. Millán, S. Sandlöbes, A. Al-Zubi, T. Hickel, P. Choi, J. Neugebauer, D. Ponge, D. Raabe
Acta Materialia 76 (2014) 94-105.
57. Investigation of the diffusion behavior of sodium in Cu(In,Ga)Se2 layers
A. Lämmle, R. Wuerz, T. Schwarz, O. Cojocaru-Mirédin, P. Choi, M. Powalla
Journal of Applied Physics 115 (2014) 154501.
56. Crystallization, phase evolution and corrosion of Fe-based metallic glasses: An atomic-scale structural and chemical characterization study
M.J. Duarte, A. Kostka, J.A. Jimenez, P. Choi, J. Klemm, D. Crespo, D. Raabe, F.U. Renner
Acta Materialia 71 (2014) 20-30.
55. Atom probe tomography study of ultrahigh nano-crystallization rates in FeSiNbBCu soft magnetic amorphous alloys upon rapid annealing
K. G. Pradeep, G. Herzer, P. Choi, D. Raabe
Acta Materialia 68 (2014) 295-309.
54. Atomic-Scale Quantification of Grain Boundary Segregation in Nanocrystalline Material
M. Herbig, D. Raabe, Y. J. Li, P. Choi, S. Zaefferer, S. Goto
Physical Review Letters 112 (2014) 126103.
53. Cu-rich precursors improve kesterite solar cells
M. Mousel, T. Schwarz, R. Djemour, T. P. Weiss, J. Sendler, J. C. Malaquias, A. Redinger, O. Cojocaru-Mirédin, P. Choi, S. Siebentritt
Advanced Energy Materials 4 (2014)1300543.
52. Atomic-scale analysis of carbon partitioning between martensite and austenite by atom probe tomography and correlative TEM
Y. Toji, H. Matsuda, M. Herbig, P. Choi, D. Raabe
Acta Materialia 65 (2014)215-228.
51. On the Spheroidized Carbide Dissolution and Elemental Partitioning in High Carbon Bearing Steel 100Cr6
W. Song, P. Choi, G. Inden, U. Prahl, D. Raabe, W. Bleck
Metallurgical and Materials Transactions A 45 (2014) 595-606.
50. Enhanced superplasticity in an Al-alloyed multicomponent Mn–Si–Cr–C steel
H. Zhang, K. G. Pradeep, S. Mandal, D. Ponge, P. Choi, C. Tasan, D. Raabe
Acta Materialia 63 (2014) 232-244.
49. Atomic-scale investigation of ε and θ precipitates in bainite in 100Cr6 bearing steel by atom probe tomography and ab initio calculations
W. Song, J. v. Appen, P. Choi, R. Dronskowski, D. Raabe, W. Bleck
Acta Materialia 61 (2013) 7582-7590.
48. Interface-directed spinodal decomposition in TiAlN/CrN multilayer hardcoatings studied by atom probe tomography
I. Povstugar, P. Choi, D. Tytko, J. Ahn, D. Raabe
Acta Materialia 61 (2013) 7534-7542.
47. Segregation engineering enables nanoscale martensite-to-austenite phase transformation at grain boundaries: a pathway to ductile martensite
D. Raabe, S. Sandlöbes, J. Millán, D. Ponge, H. Assadi, M. Herbig, P. Choi
Acta Materialia 61 (2013) 6132-6152.
46. Element-Resolved Corrosion Analysis of Stainless-Type Glass-Forming Steels
J. Duarte, J. Klemm, S. O. Klemm, S. Borodin, K. J. J. Mayrhofer, M. Stratmann, A. H. Romero, M. Madinehei, D. Crespo, J. Serrano, S. S. A. Gerstl, P. P. Choi, D. Raabe, F. U. Renner
Science 341 (2013)372-376.
45. Understanding the Detection of Carbon in Austenitic High-Mn Steel using atom probe tomography
R. Marceau, P. Choi, D. Raabe
Ultramicroscopy 132 (2013) 239-247.
44. Combined nano-SIMS/AFM/EBSD analysis and atom probe tomography, of carbon distribution in austenite/ε-martensite high-Mn steels
J. B. Seol, B. H. Lee, P. P. Choi, S. G. Lee, C. G. Park
Ultramicroscopy 132 (2013) 248-257.
43. Atomic scale investigation of redistribution of alloying elements in pearlitic steel wires upon cold-drawing and annealing
Y. J. Li, P. Choi, S. Goto, C. Borchers, D. Raabe, R. Kirchheim
Ultramicroscopy 132 (2013) 233-238.
42. Influence of supersaturated carbon on the diffusion of Ni in ferrite determined by atom probe tomography
T. Kresse, Y. J. Li, T. Boll, C. Borchers, P. Choi, T. Al-Kassab, D. Raabe, R. Kirchheim
Scripta Materialia 69 (2013) 424-427.
41. Measurement of the indium concentration in high indium content InGaN layers by scanning transmission electron microscopy and atom probe tomography
T. Mehrtens, M. Schowalter, D. Tytko, P. Choi, D. Raabe, L. Hoffmann, H. Jönen, U. Rossow, A. Hangleiter, A. Rosenauer
Applied Physics Letters 102 (2013) 132112.
40. Atomic-scale compositional characterization of a nanocrystalline AlCrCuFeNiZn high-entropy alloy using atom probe tomography
K.G. Pradeep, N. Wanderka, P. Choi, J. Banhart, B.S. Murty, D. Raabe
Acta Materialia 61 (2013) 4696-4706.
39. Nanocrystalline Fe-C alloys produced by ball milling of iron and graphite
Y. Z. Chen, A. Herz, Y. J. Li, C. Borchers, P. Choi, D. Raabe, R. Kirchheim
Acta Materialia 61 (2013) 3172-3185.
38. Grain boundary segregation in a bronze-route Nb3Sn superconducting wire studied by atom probe tomography
M. J. R. Sandim, D. Tytko, A. Kostka, P. Choi, S. Awaji, K. Watanabe, D. Raabe
Superconductor Science and Technology 26 (2013) 055008.
37. Direct evidence for the formation of ordered carbides in a ferrite based low-density Fe-Mn-Al-C alloy studied by transmission electron microscopy and atom probe tomography
J. B. Seol, D. Raabe, P. P. Choi, H. S. Park, J. H. Kwak, C. G. Park
Scripta Materialia 68 (2013) 348-353.
36. Atom Probe study of Cu2ZnSnSe4 thin-films prepared by co-evaporation and post-deposition annealing
T. Schwarz, O. Cojocaru-Mirédin, P. Choi, M. Mousel, A. Redinger, S. Siebentritt, D. Raabe
Applied Physics Letters 102 (2013) 042101.
35. Compositional gradients and impurity distributions in CuInSe2 thin-film solar cells studied by atom probe tomography
P. Choi, O. Cojocaru-Mirédin, R. Wuerz
Surface and Interface Analysis 44 (2012) 1386-1388.
34. Exploring the p-n junction region in Cu(In,Ga)Se2 thin-film solar cells at the nanometer-scale
O. Cojocaru-Mirédin, P. Choi, R. Wuerz, D. Raabe
Applied Physics Letters 101 (2012) 181603.
33. Atomic scale effects of alloying, partitioning, solute drag and austempering on the mechanical properties of high-carbon bainitic–austenitic TRIP steels
J. B. Seol, D. Raabe, P. P. Choi, Y. R. Im, C. G. Park
Acta Materialia 60 (2012) 6183-6199.
32. Confined and chemically flexible grain boundaries in polycrystalline compound semiconductors
D. Abou-Ras, S. S. Schmidt , R. Caballero, T. Unold, H. W. Schock, C. T. Koch , B. Schaffer, M. Schaffer, P. Choi, O. Cojocaru-Mirédin
Advanced Energy Materials 2 (2012) 992-998.
31. New insights into the atomic-scale structures and behavior of steels
E. A. Marquis, P. Choi, F. Danoix, K. Kruska, S. Lozano-Perez, D. Raabe, C. A. Williams
Microscopy Today 20 (2012) 44-48.
30. Atom probe tomography of compound semiconductors for photovoltaic and light-emitting device applications
P. Choi, O. Cojocaru-Mirédin, D. Abou-Ras, R. Caballero, D. Raabe, V. S. Smentkowski, C. G. Park, G. H. Gu, B. Mazumder, M. H. Wong, Y. L. Hu, T. P. Melo, J. S. Speck
Microscopy Today 20 (2012) 14-19.
29. Evolution of strength and microstructure during annealing of heavily cold-drawn 6.3 GPa hypereutectoid pearlitic steel wire
Y. Li, P. Choi, S. Goto, C. Borchers, D. Raabe, R. Kirchheim
Acta Materialia 60 (2012) 4005-4016.
28. Nanoscale austenite reversion through partitioning, segregation and kinetic freezing: Example of a ductile 2 GPa Fe–Cr–C steel
L. Yuan, D. Ponge, J. Wittig, P. Choi, J. A. Jiménez, D. Raabe
Acta Materialia 60 (2012) 2790-2804.
27. Microstructural evolution of a Ni-based superalloy (617B) at 700 °C studied by electron microscopy and atom probe tomography
D. Tytko, P. Choi, J. Klöwer, A. Kostka, G. Inden, D. Raabe
Acta Materialia 60 (2012) 1731-1740.
26. Characterization of grain boundaries in Cu(In,Ga)Se2 films using atom probe tomography
O. Cojocaru-Mirédin, P. Choi, D. Abou-Ras, S. S. Schmidt, R. Caballero, D. Raabe
Journal of Photovoltaics 1 (2011) 207-212.
25. Comparative atom probe study of Cu(In,Ga)Se2 thin-film solar cells deposited on soda-lime glass and mild steel substrates
P. Choi, O. Cojocaru-Mirédin, R. Wuerz, D. Raabe
Journal of Applied Physics 110 (2011) 124513
24. Thermal stability of TiAlN/CrN multilayer coatings studied by atom probe tomography
P. Choi, I. Povstugar, J. Ahn, A. Kostka, D. Raabe
Ultramicroscopy 111 (2011) 518-523.
23. Atom probe tomography characterization of heavily cold drawn pearlitic steel wire
Y. J. Li, P. Choi, C. Borchers, Y. Z. Chen, S. Goto, D. Raabe, R. Kirchheim
Ultramicroscopy 111 (2011) 628-632.
22. Pulsed-laser atom probe studies of a precipitation hardened maraging TRIP steel
O. Dmitrieva, P. Choi, S. S. A. Gerstl, D. Ponge, D. Raabe
Ultramicroscopy 111 (2011) 623-627.
21. Atomic-scale distribution of impurities in CuInSe2-based thin-film solar cells
O. Cojocaru-Mirédin, P. Choi, R. Wuerz, D. Raabe
Ultramicroscopy 111 (2011) 552-556.
20. Comprehensive comparison of various techniques for the analysis of elemental distributions in thin films
D. Abou-Ras, R. Caballero, C.-H. Fischer, C. Kaufmann, I. Lauermann, R. Mainz, H. Mönig, A. Schöpke, C. Stephan, C. Streeck, S. Schorr, A. Eicke, M. Döbeli, B. Gade, J. Hinrichs, T. Nunney, H. Dijkstra, V. Hoffmann, D. Klemm, V. Efimova, A. Bergmaier, G. Dollinger, T. Wirth, W. Unger, A.A. Rockett, A. Perez Rodriguez, J. Alvarez Garcia, V. Izquierdo-Roca, T. Schmid, P. Choi, M. Müller, F. Bertram, J. Christen, H. Khatri, R.W. Collins, S. Marsillac, and I. Kötschau
Microscopy and Microanalysis 17 (2011) 728-751.
19. Atomic-scale mechanisms of deformation-induced cementite decomposition in pearlite
Y. J. Li, P. Choi, C. Borchers, S. Westerkamp, S. Goto, D. Raabe, R. Kirchheim
Acta Materialia 59 (2011) 3965-3977.
18. Atomic-scale characterization of the CdS/CuInSe2 interface in thin-film solar cells
O. Cojocaru-Mirédin, P. Choi, R. Wuerz, D. Raabe
Applied Physics Letters 98 (2011) 103504.
17. Characterization of nano-sized precipitates in a Mn-based lean maraging steel by atom probe tomography
J. Millán, D. Ponge, D. Raabe, P. Choi, O.Dmitrieva
Steel Research International 82 (2011) 137-145.
16. Chemical gradients across phase boundaries between martensite and austenite in steel studied by atom probe tomography and simulation
O. Dmitrieva, D. Ponge, G. Inden, J. Millán, P. Choi, J. Sietsma, D. Raabe
Acta Materialia 59 (2011) 364-374.
15. Metallic composites processed via extreme deformation: Toward the limits of strength in bulk materials
D. Raabe, P. Choi, Y. Li, A. Kostka, X. Sauvage, F. Lecouturier, K. Hono, R. Kirchheim, R. Pippan, D. Embury
Materials Research Society Bulletin 35 (2010) 982-991.
14. Synthesis of Al-Y-Ni-Co composites by mechanical alloying and consecutive spark-plasma sintering
J. S. Kim, I. V. Povstugar, P. P. Choi, E. P. Yelsukov, O. T. H. Nguyen, Y. S. Kwon
Journal of Alloys and Compounds 486 (2009) 511-514.
13. An assessment of the homogeneity of nano-crystalline Fe-Cu powders as studied by means of APT
C. Wille, T. Al-Kassab, P. P. Choi, Y. S. Kwon, R. Kirchheim
Ultramicroscopy 109 (2009) 599-605.
12. Homogeneity of mechanically alloyed nanocrystalline Fe-Cu powders
C. Wille, T. Al-Kassab, M. Schmidt, P. P. Choi, Y. S. Kwon
International Journal of Materials Research 5 (2008) 541-547.
11. Application of focused ion beam to atom probe tomography specimen preparation from mechally alloyed powders
P. P. Choi, T. Al-Kassab, Y. S. Kwon, J. S. Kim, R. Kirchheim
Microscopy and Microanalysis 13 (2007) 347-353.
10. Transmission electron microscopy and atom probe specimen preparation from mechanically alloyed powder using the focused ion-beam lift-out technique
P. P. Choi, Y. S. Kwon, J. S. Kim, T. Al-Kassab
Journal of Electronmicroscopy 56 (2007) 43-49.
9. Role of local heating in crystallization of amorphous alloys under ball milling: An experiment on Fe90Zr10
Y. S. Kwon, J. S. Kim, I. V. Povstugar, E. P. Yelsukov, P. P. Choi
Physical Review B 75 (2007) 144112.
8. Ti50Cu25Ni20Sn5 Bulk Metallic Glass Fabricated by Powder Consolidation
P. P. Choi, J. S. Kim, O. T. H. Nguyen, Y. S. Kwon
Materials Letters 61 (2007) 4591-4594.
7. Al-La-Ni-Fe bulk metallic glasses produced by mechanical alloying and spark-plasma sintering
P. P. Choi, J. S. Kim, O. T. H. Nguyen, Y. S. Kwon, J. C. Kim
Materials Science and Engineering A 449-451 (2007) 1119-1122.
6. Decomposition of intermetallics during high-energy ball-milling
Y. S. Kwon, P. P. Choi, J. S. Kim, D. H. Kwon, K. B. Gerasimov
Materials Science and Engineering A 449-451 (2007) 1083-1086.
5. Ball milling induced crystallization of amorphous Fe90Zr10
P. P. Choi, I. V. Povstugar, Y. S. Kwon, E. P. Yelsukov, J. S. Kim
Materials Science and Engineering A 449-451 (2007) 1079-1082.
4. Electrodeposited Nanocrystalline Co-P Alloys: Microstructural Characterization and Thermal Stability
M. da Silva, C. Wille, U. Klement, P. Choi, T. Al-Kassab
Materials Science and Engineering A 445-446 (2007) 31-39.
3. Thermal Stability of Electrodeposited Nanocrystalline Co-1.1 at.% P
P. Choi, M. da Silva, U. Klement, T. Al-Kassab, R. Kirchheim
Acta Materialia 53 (2005) 4473-4481.
2. Investigation of sputter-deposited Al-2 at.% Cu layers by means of the tomographic atom probe (TAP)
P. Choi, T. Al-Kassab, R. Kirchheim
Scripta Materialia 53 (2005) 323-327.
1. Thermal Stability of Nanocrystalline Ni-18 at.% W Alloy Investigated with the Tomographic Atom Probe
P. Choi, T. Al-Kassab, F. Gaertner, H. Kreye, R. Kirchheim
Materials Science and Engineering A 353 (2003) 74-79.
Patents
1. 탄소소재층을 포함하는 염료감응 태양전지용 상대전극 및 이의 제조방법
박종구, 이승용, 장연익, 최벽파, 김동환
출원번호 : 2006-0099903
2. Counter eletctrode having carbon material layer for dye-sensitized photovoltaic cell and method of preparing the same.
J. K. Park, S. Y. Lee, Y. I. Jang, P. P. Choi, D. H. Kim
U.S. patent no.: 20080087322
2008.05.17
3. A method for reducing defects in spherical oxide particle alignment.
J. K. Park, S. H. Choi, P. P. Choi, S. Y. Park
>International patent no.: PCT/KR2010/007869
2010.11.09
