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Professor

Professor, Cheol Seong Hwang
Cheol Seong Hwang
  • SNU Distinguished Professor
  • Dielectric Thin Film Laboratory
  • Department of Materials Science and Engineering, Seoul National University
Gwanak-ro 1, Daehag-dong, Gwanak-gu, Seoul, 08826, Korea.
Office 33-111
Tel. +82-2-880-7535
Fax. +82-2-884-1413
cheolsh@snu.ac.kr

Education

  • - Seoul National University: Ph. D. in Inorganic Materials Engineering (1993)
  • - Seoul National University: M. S. in Inorganic Materials Engineering (1989)
  • - Seoul National University: B. S. in Inorganic Materials Engineering (1987)

Career

  • 09/20 - Present: SNU Distinguished Professor, Seoul National University
  • 01/19 - Present: Member of National Academy of Engineering of Korea(NAEK)
  • 08/18 - Present: Editorial Board Member, Physica Status Solidi(RRL), Wiley-VCH, Germany
  • 01/15 - Present: Regular member of Korean Academy of Science and Technology (KAST)
  • 01/15 - Present: International Advisory Board Member, Advanced Electronic Materials, Wiley-VCH, Germany
  • 11/14 - Present: Fellow, Royal Society of Chemistry, UK
  • 02/14 - Present: International Advisory Board Member, Journal of Materials Chemistry C, Royal Society of Chemistry, UK
  • 01/14 - 01/16: Director, Inter-university Semiconductor Research Center, Seoul National University
  • 06/12 - Present: Editorial Board Member, Scientific Reports, Nature Publishing Group
  • 03/08 - 08/20: Professor, Department of Materials Science and Engineering, Seoul National University
  • 04/02 - 02/08: Associate professor, Department of Materials Science and Engineering, Seoul National University
  • 01/98 - 03/02: Assistant professor, Department of Materials Science and Engineering, Seoul National University
  • 05/94 - 12/97: Principal Engineer, Process development team, Semiconductor R&D center, Samsung Electronics,
  • 02/93 - 05/94: Post-doctoral Research Fellow Position in Ceramics Division of Material Science and Engineering Lab., National Institute of Standards and Technology, MD USA
  • 03/90 - 02/91: Research assistant, Department of inorganic materials Science and Engineering, Seoul National University

Awards

  • 2002. 11: Humbolt research fellowship award with the highest grade from Alexander von Humboldt Foundation, Germany
  • 2002. 11: Excellent young professor award from president of Seoul National University, Korea
  • 2004. 02: The 7th Presidential Young Scientist Award from Korean Government.
  • 2008. 10: Doh-Yeon Creativity Award, Inter-university Semiconductor Research Center, Seoul National University, Korea
  • 2011. 07: AP Faculty Excellence Award, Air Products, USA
  • 2013. 10: Award of Industrial Technology, Korea Evaluation Institute of Industrial Technology, Korea
  • 2015. 10: The 7th Knowledge and Creativity Award, Ministry of Science, ICT and Future Planning, Korea
  • 2016. 04: Presidential Citation for the Man of Merits in promoting Science and Technology, Ministry of the Interior, Korea
  • 2018. 02; Daewon Kahng Award from Korean Conference on Semiconductor
  • 2018. 09: The 32nd Inchon Award from Inchon Memorial, Korea
  • 2020. 09: 16th Kyung-Ahm Award - Engineering from Kyung-Ahm education and culture Foundation, Korea
  • 2022. 06: ALD Innovation Award, Americal Vacuum Society, USA

Research Interests

  • 1. Thin films technology for next-generation nonvolatile memory applications
    Ferroelectric memory materials: Research of Pb(Zr,Ti)O3, BiFeO3, (Hf,Zr)O2 thin films.
    Resistive memory materials: Research of transition metal oxide TiO2, NiO,TaOx, HfO2 thin films.
    Phase change memory materials: Research of phase change material (GeSbTe) thin films.
    Charge trap flash memory materials: Research of ZnSnOx, and InGaZnOx thin films and application to 3D structure.
  • 2. Thin films technology for DRAM and Logic device applications
    High-k materials: Research of TiO2, SrTiO3, (Ba, Sr)TiO3, Al-doped TiO2, TiO2/HfO2 stack, ZrO2, HfO2, and Hf silicate thin films.
    Metal electrodes materials: Research of RuO2, Ru, SrRuO3, Hf, and Ti, TiN, and La thin films.
    High mobility channel materials: Characterizations of high-k materials on Ge or III-V compound semiconductor
  • 3. Research for Neuromorphic system
    Resistance-based nonvolatile random access memory (RAM) array
      : Resistive-switching RAM (ReRAM), Phase-change RAM (PcRAM), Ferroelectric Tunnel Junction (FTJ)
    Ferroelectric Field-Effect Transistor (FeFET)
    Hardware-based neural network: Reservoir computing
    Stochastic computing: TRNG, p-bit
    Stateful logic