Principal Investigator (PI)

류 학기 (Hak Ki Yu, 柳 學基)

-Professor (tenured)  (03/2024  ~ ), Head of Department  (09/2023 ~ )
-Associate Professor (03/2019 ~  02/2024)
-Assistant Professor (03/2015 ~ 02/2019)
Dept. of Materials Science and Engineering & Dept. of Energy Systems Research, Ajou University,

-Director (09/2025 ~ ), Center for Teaching and Learning (CTL),  Ajou University 

-Adjunct Professor (09/2024  ~  ), Head of Department (09/2024 ~ 08/2026)
Dept. of Applied Materials Engineering (Graduates Dept. in Engineering), Ajou University

-CEO, Co-Founder (02/2023 ~ )
Hyper Materials,  Seobu-ro 2066,  Suwon, 16419, Korea

 Contact:
Room 707, Paldal-Kwan, Ajou University, Worldcup-ro 206, Suwon, 16499, Korea
Tel: +82-31-219-1680, Fax: +82-31-219-1613
E-mail: hakkiyu@ajou.ac.kr / hakkiyu@gmail.com

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1. Education
-Ph. D. (09/2003 ~ 08/2010)
Pohang University of Science and Technology (POSTECH), Dept. of Materials Science and Engineering,
*Thesis: Growth mechanism of epitaxial MgO thin film and their applications (Advisor: Prof. Jong-Lam Lee).

-B. S. (03/2000 ~ 08/2003)
Pohang University of Science and Technology (POSTECH), Dept. of Materials Science and Engineering,
Top seat in Dept. & The Magna Cum Laude graduation & Early graduation (7th semester),
*Thesis: The study of high reflectivity ohmic contact on p-type GaN (Advisor: Prof. Jong-Lam Lee), published Electronic Materials Letters.

2. Professional Experiences
-Adjunct Professor (09/2022  ~ 08/2024), Head of Department (03/2023 ~ 08/2024)
Dept. of Intellectual Property Rights Engineering (Graduate Dept. in Engineering), Ajou University

-Visiting Scholar (09/2021 ~08/2022), Sabbatical year
Sungkyunkwan University (SKKU,  Suwon)

-Invited Professor (08/2017 ~ 06/2021)
Samsung Institute of Technology (SSIT): Lecture for Introduction of Materials Science 1 & 2

-Postdoctoral Research Fellow (11/2011 ~ 02/2015)
[Deutsch] Max-Planck-Institut für Multidisziplinäre Naturwissenschaften (Abteilung für Dynamik an Oberflächen) &
Georg-August Universität Göttingen (Institut für Physikalische Chemie), Deutschland
[English] Max Planck Institute for Multidisciplinary Sciences (Department of Dynamics at Surfaces) &
Georg August University of Göttingen (Institute for Physical Chemistry), Germany
*Research Areas: Synthesis of complex surfaces for molecular beam scattering experiments (Advisor: Prof. Alec M. Wodtke).

-Postdoctoral Research Fellow (09/2010 ~ 10/2011)
Pohang University of Science and Technology (POSTECH), Dept. of Materials Science and Engineering
*Research Areas: Fabrication of large area nano-structures and applications to optoelectronic devices (Advisor: Prof. Jong-Lam Lee).

3. Activities
-Editorial Committee  of Korean Journal of Metals and Materials
http://kim.or.kr/contents/sub01/04_2_2.asp

-Reviewer board members of Energy Materials

-대한금속재료학회지 편집위원 (2021.01~ )
-한국재료학회 학술 분과 이사 (2019.01~ ),  대외협력 위원 (2024.01~)
-반도체 학술대회 P분과 (Device for energy) 공동 위원장 (2018.09~2021.02)
-한국센서학회, 한국세라믹학회 회원
-GPVC(Global Photovoltaic Conference) 분과위원 (2017, 2023)
-제3기 국가나노기술지도 나노소재분과 분과위원 (2017.09~2018.02)
-한국산업기술진흥협회 NEP, NET 심사위원 (2015.05 ~ )
-산업기술혁신 평가단 평가위원 (2017.03 ~ )
-중소기업기술개발 지원사업 평가위원 (2017.08 ~ )
-SBDC 중소기업유통센터 공공 구매제도 평가위원 (2020.03 ~ )
-국방기술품질원 국방과학기술 평가위원 (2021.02 ~ )
-경기테크토파크(TP) 지원사업 전문인력 (2021.02 ~ )
-경기도 기술닥터 사업 '기술닥터' (2021.09 ~ )
-태양광발전학회 평의원 (2024)

4. Honors

-Presidential scholarship for the top seat in undergraduate Dept. of MSE in POSTECH (Spring, Fall in 2001).
-Bronze medal, the 16th human-tech of Samsung Electronics (2010).
-Full Post-doc Fellow (Humboldt Stipendiary) at Georg-August University of Göttingen (2011-2014).
-Invited as travel scholarship for young scientists, Volkswagen Foundation’s 1st Herrenhausen Conference “Downscaling Science” (2012).
-Prime Minister Award (2nd prize), the 32th Korea Invention Patent Exhibition (2013).
    http://www.phmbc.co.kr/news/news_desk?idx=222033&mode=view
    http://article.joins.com/news/article/article.asp?total_id=13280316&ctg=1213
    http://www.kbmaeil.com/news/articleView.html?idxno=304961
    http://www.idaegu.co.kr/news.php?mode=view&num=115110
-Full research fellowship at Max-Planck-Institut für Multidisziplinäre Naturwissenschaften (2014~2015).
-The 13th Young Scientist Award from the Korea Synchrotron Radiation User’s Association (KOSUA) (2015).
    http://www.segye.com/newsView/20151119002109
    http://www.idaegu.co.kr/news.php?mode=view&num=181421
-Good Reviewer Awards, 대한금속 재료학회지(KJMNN), by KIMM (2021, 2024).
-Ajou Publication Awards (2016, 2019, 2020, 2021, 2022, 2023, 2024, 2025).
-Excellent Teaching Awards in Dept. (by College of Engineering, Ajou University) (2023, 2024).
-Best Education Award in College with Hall of Fame (by College of Engineering, Ajou University) (2025).
-Top 10 Researchers Awards (by College of Engineering, Ajou University) (2023, 2024, 2025).