PRINCIPAL INVESTIGATOR
Prof. Young-Gwan Choi
Assistant Professor, Department of Physics, University of Ulsan, Ulsan, Republic of Korea
Guest Scientist, Max-Planck-Institute for Chemical Physics of Solids (MPI-CPfS), Dresden, Germany
Office: Room 317, Building 8, 93 Daehak-ro, Nam-gu, Ulsan 44610, Republic of Korea
Tel: +82-(0)52-259-2330
Email: ygchoi@ulsan.ac.kr
Presentation list
Webpage: Google Scholar, Linked In
Research interest:
Quantum sensing based on diamond nitrogen-vacancy(NV) tip scannig / confocal microscope magnetometry
Quantum sensing platforms for semiconductor device in-line inspections
Quantum sensing devices for ultra sensitive sensors for RF field, magnetic field, current imaging, and so on.
Spectroscopy techniques for condensed matter physics and material science
- Time-resolved magneto-optical Kerr effects microscopy
- Time-domain thermoreflectance (TDTR)
- Time-resolved teraherz spectroscopy
- Photoluminescence (PL) microscopy
- Synchrotron-based X-ray spectroscopy for magnetic circular dichroism
EXPERIENCE
Sep. 2025 - Present: Assistant Professor
School of Materials Science and Semiconductor Engineering, University of Ulsan, Republic of Korea
Department of Physics, University of Ulsan, Republic of Korea
Sep. 2025 - Present: Guest Scientist
Max-Planck-Institute for Chemical Physics of Solids (MPI-CPfS), Dresden, Germany
Sep. 2022 - Aug. 2025: Postdoctoral Researcher
Max-Planck-Institute for Chemical Physics of Solids (MPI-CPfS), Dresden, Germany
EDUCATION
Sep. 2018 - Feb. 2023
Ph.D., in Energy Science
Department of Energy Science, Sungkyunkwan University (SKKU), Republic of Korea
Advisor: Prof. Gyung-Min Choi
Feb. 2016 – July. 2018
Ph.D. candidate, in Physics and Photon Science
Department of Physics and Photon Science, Gwangju Institute of Science and Technology (GIST), Republic of Korea
Advisor: Prof. Jong-Seok Lee
Feb. 2014 – Feb. 2016
M.A., in Physics and Photon Science
Department of Physics and Photon Science, Gwangju Institute of Science and Technology (GIST), Republic of Korea
Advisor: Prof. Dr. Jong-Seok Lee
Feb. 2007 – Feb. 2013
B.A., in Applied Physics (Summa Cum Laude)
Applied Physics, Dankook University, Republic of Korea
AWARDS AND SCHOLARSHIP
Dec. 2024
Awarded for Outstanding Research Contribution for exceptional research performance and potential during the Phase 4 BK21 Project
The Deputy Prime Minister and Minister of Education, Republic of Korea
Oct. 2021
Grand Prize, 2021 SKKU Graduate Student Paper Award
Awarded for Presentation related to the first observation of the Orbital Hall effect.
Feb. 2021
Silver Prize (2nd prize in basic science division), The 27th SAMSUNG Humantech Paper Award
Awarded for Presentation related to the direct observation of Orbital Hall effect.
Dec. 2021- Dec.2019
Ilun Scholarship 2019, Ilun Science and Technology Foundation
Fellowship for graduate students having excellent research achievements in all fields.
Jul. 2021
Outstanding Poster presentation Award
The Korea Magnetics Society 2021 summer meeting
Awarded for Presentation entitled: “Static and time-resolved optical detection of magnetization vectors by spin Hall effect”
Apr. 2021
Outstanding Oral presentation Award
The Korean Physical Society 2021 spring meeting
Awarded for Presentation entitled: Current-induced nonlinear optical Hall effect in Weyl semimetal WTe2
Apr. 2017
Outstanding Poster Award, The Korean Physical Society 2017 spring meeting
Awarded for Presentation entitled: “Thermal transport measurement in thin films and their boundaries by using time-domain thermoreflectance (TDTR) method”
Apr. 2016
The Best Poster Award, The Korean Physical Society 2016 spring meeting
Awarded for Presentation entitled: “Ultrafast dynamics observation of bulk-to-surface carrier injection of Dirac-electron of surface state in the topological insulator Bi1.5Sb0.5Te1.7Se1.3”
Oct. 2015
The Best Poster Award, The Korean Physical Society 2015 fall meeting
Awarded for Presentation entitled: “Strategy of a thermal conductivity measurement of topological insulators using a time-domain thermoreflectance technique”
Mar. 2014 - Jun. 2018
Korean Government Fellowship, Gwangju Institute of Science and Technology
Feb. 2013
Summa Cum Laude (1st/16), Applied Physics, Dankook University
PH.D / MASTER STUDENTS
RESEARCH INTEREST AND EXPERTISE
RESEARCH INTEREST AND EXPERTISE
INTERNSHIP STUDENTS