Nanoscale analysis of materials properties, Data analysis and machine learning, Electrochemical/piezoelectric/ferroelectric/nanomechanical properties
Education
(03.2004-08.2007)
Ph.D., Materials Science and Engineering, Korea Advanced Institute of Science and Technology,
(03.2002-02.2004)
M.S., Materials Science and Engineering, Korea Advanced Institute of Science and Technology,
(03.1998-02.2002)
B.S., Materials Science and Engineering, Korea University
Experience
(08.2012-present)
Professor, School of Advanced Materials Science and Engineering, Sungkyunkwan University,
(01.2011-08.2012)
Postdoctroal research associate, Oak Ridge National Laboratory, USA
(10.2008-12.2012)
Postdoctoral researcher, Max Planck Institute of Microstructure Physics, Germany
(09.2007-02.2009)
Postdoctoral researcher, Applied Science Research Institute, Korea Advanced Institute of Science and Technology
Journal Articles
(2025)
Sub-unit-cell-segmented ferroelectricity in brownmillerite oxides by phonon decoupling.
NATURE MATERIALS.
24,
8
(2025)
Differentiating the origin of local charge transfer in oxides and hybrid halides by accumulating charge.
MATERIALS HORIZONS.
1,
1
(2024)
Prediction of quantitative in-situ local corrosion via deep learning.
CORROSION SCIENCE.
240,
1
(2024)
Cation-eutaxy-enabled III-V-derived van der Waals crystals as memristive semiconductors.
NATURE MATERIALS.
23,
10
(2024)
Exploring higher-order harmonic eddy current in soft magnetic composites.
JOURNAL OF ALLOYS AND COMPOUNDS.
1003,
1
(2024)
AC poling-induced giant piezoelectricity and high mechanical quality factor in [001] PMN-PZT hard single crystals.
SENSORS AND ACTUATORS A-PHYSICAL.
372,
1
(2024)
Understanding local physical properties of barium titanate ceramics depending on the synthesis conditions assisted by a machine learning algorithm.
JOURNAL OF ALLOYS AND COMPOUNDS.
976,
1
(2023)
Local probing of eddy current correlated with magnetic properties.
APPLIED PHYSICS LETTERS.
123,
24
(2023)
High-speed mapping of surface charge dynamics using sparse scanning Kelvin probe force microscopy.
NATURE COMMUNICATIONS.
14,
1
(2023)
A brief review of characterization techniques with different length scales for hydrogen storage materials.
NANO ENERGY.
113,
-
(2023)
Crucial role of Ce particles during initial hydrogen absorption of AB-type hydrogen storage alloys.
NANO ENERGY.
112,
1
(2023)
Deep learning for exploring ultra-thin ferroelectrics with highly improved sensitivity of piezoresponse force microscopy.
NPJ COMPUTATIONAL MATERIALS.
9,
1
(2023)
Local probing of the non-uniform distribution of ferrielectric and antiferroelectric phases.
NANO RESEARCH.
1,
1
(2022)
In situ formation of Imidazole-Based 2D interlayer for efficient perovskite solar cells and modules.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH.
46,
11
(2022)
Atomic and Electronic Manipulation of Robust Ferroelectric Polymorphs.
ADVANCED MATERIALS.
34,
1
(2022)
High-power energy harvesting and imperceptible pulse sensing through peapod-inspired hierarchically designed piezoelectric nanofibers.
NANO ENERGY.
99,
1
(2022)
Size Effect of Local Current-Voltage Characteristics of MX2 Nanoflakes: Local Density of States Reconstruction from Scanning Tunneling Microscopy Experiments.
PHYSICAL REVIEW APPLIED.
17,
6
(2022)
Tough, transparent, biocompatible and stretchable thermoplastic copolymer with high stability and processability for soft electronics.
MATERIALS TODAY.
57,
1
Honors / Awards
Scientist and Engineer of the Month Award, the Ministry of Science and ICT of Korea
Conference Paper
(2022)
Highly enhanced ferroelectricity in HfO2-based ferroelectric thin film by light ion bombardment.
2022 MRS Fall Meeting.
UNITED STATES
(2022)
Application of Machine Learning in AFM.
한국공업화학회 공업화학과 인공지능 특별 심포지엄.
KOREA, REPUBLIC OF