People

Principal Investigator

Dong-Soo Han, Ph.D.

Principal Researcher
Center for Semiconductor Technology
Korea Institute of Science and Technology (KIST)

5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea
Office: L6-308 · +82-2-958-5405 · dshan@kist.re.kr

iD ORCID 0000-0001-5530-8609 in LinkedIn Google Scholar

Academic Experience

2026–Present Principal Researcher, Center for Semiconductor Technology, KIST, Korea

2019–2026 Senior Researcher, Center for Semiconductor Technology, KIST, Korea

2018–2019 Postdoctoral Researcher, Center for Spintronics, KIST, Korea

2016–2018 Postdoctoral Researcher, Johannes Gutenberg University Mainz, Germany (Prof. Mathias Kläui)

2014–2016 Postdoctoral Researcher, Eindhoven University of Technology, The Netherlands (Prof. Henk J. M. Swagten)

2014 Research Associate, Seoul National University (Prof. Sang-Koog Kim)

Education

2014 Ph.D. & M.S., Materials Science and Engineering, Seoul National University

2008 B.S., Materials Science and Engineering, Seoul National University

Group Members

Postdoctoral Researcher

POSTDOC

Dr. Jae-Hyun Ha

Postdoctoral Researcher

[2017.03 – 2024.08] Department of Emerging Materials Science, DGIST

[2024.09 – Present] Center for Semiconductor Technology, KIST

jhha1992@kist.re.kr

# Antiferromagnetic / altermagnetic spintronics
# Epitaxial thin-film growth

Group Members

Students

Ph.D.

Mr. Hanwool Seong

M.S./Ph.D. Candidate · Yonsei University–KIST Joint Graduate Program

[2021.07 – Present] Center for Semiconductor Technology, KIST

[2021.09 – Present] Department of Materials Science & Engineering, Yonsei University

Co-advisor: Prof. Heon-Jin Choi

hwseong@kist.re.kr

# Chiral exchange coupling in magnetic layers
# Spin-orbit-torque MRAM

Ph.D.

Mr. Won-Young Choi

Ph.D. Candidate · Seoul National University

[2021.10 – Present] Center for Semiconductor Technology, KIST

[2023.03 – Present] Department of Materials Science & Engineering, Seoul National University

Co-advisor: Prof. Hyejin Jang

92wonychoi@kist.re.kr

# Spin transport in antiferromagnets
# Spin-orbit-torque devices

Ph.D.

Mr. Seung-Jin Kang

M.S./Ph.D. Candidate · Yonsei University–KIST Joint Graduate Program

[2022.09 – Present] Center for Semiconductor Technology, KIST

[2022.09 – Present] Department of Materials Science & Engineering, Yonsei University

Co-advisor: Prof. Heon-Jin Choi

jk95kang@kist.re.kr

# Orbitronics
# MTJ based on chiral materials

Ph.D.

Ms. Siyeon An

M.S./Ph.D. Candidate · Seoul National University

[2025.01 – Present] Center for Semiconductor Technology, KIST

[2025.03 – Present] Department of Materials Science & Engineering, Seoul National University

Co-advisor: Prof. Min Hyuk Park

093735@kist.re.kr

# Next-generation MRAM based on synthetic multiferroics and antiferromagnets

Group Members

Research Interns

INTERN

Ms. Yu-Jeong Jung

Research Intern

[2026.01 – Present] Center for Semiconductor Technology, KIST

0926034@kist.re.kr

# Probabilistic computing based on stochastic MTJs
# MTJ device fabrication and characterization

Former Members

Alumni

Mr. Min-Jun Kim

Former Undergraduate Research Intern · 2026.07 – 2026.08

Currently @ Kyung Hee University · Bachelor Student

Mr. Sung-Jun Park

Former Undergraduate Research Intern · 2026.07 – 2026.08

Currently @ Kyung Hee University · Bachelor Student

Mr. Ki-Mun Seol

Former Undergraduate Research Intern · 2026.01 – 2026.06

Currently @ Hanyang University · Ph.D. Candidate

Ms. Chae-Eun Oh

Former Research Intern · 2025.11 – 2026.05

Currently @ Eugene Technology · Senior Researcher

Dr. Joon-Hyun Kwon

Former Postdoctoral Researcher · 2019.09 – 2020.10

Currently @ Hyundai Motor Company, Uiwang R&D Center · Principal Researcher

Dr. Min-Seung Jung

Former Postdoctoral Researcher · 2020.11 – 2021.07

Currently @ SK hynix, Future Technology Research Center · Principal Researcher

Mr. Jong-Bum Choi

Former M.S. Student / Research Intern · 2022.07 – 2025.09

Currently @ KBSI · Research Intern

Mr. Kyoung-Min Lee

Former Research Intern · 2024.01 – 2024.06

Currently @ Samsung Electronics

Mr. Sung Hyeon Jang

Former M.S. Student · 2021.03 – 2022.12