EM3 Electron Microscopy for Energy Materials via Environment Manipulation

Principal Investigator

Prof. Sang Ho Oh profile

Principal Investigator

Prof. Sang Ho Oh

Department of Energy Engineering

KENTECH, Republic of Korea

shoh@kentech.ac.kr Google Scholar

Education

  • Ph.D. Materials Science, Example University, Korea (2012)
  • B.S. Physics, Pusan National University (PNU), Korea (2006)

Research Experience

Professor (Mar. 2022 - Present)

Department of Energy Engineering, KENTECH, Naju, Korea

Professor (Mar. 2019 - Feb. 2022)

Department of Energy Science, Sungkyunkwan University, Suwon, Korea

Associate professor (Jan. 2016 - Feb. 2019)

Department of Energy Science, Sungkyunkwan University, Suwon, Korea

Associate professor (Mar. 2013 - Nov. 2015)

Department of Materials Science & Engineering POSTECH, Pohang, Korea

Assistant Professor (Jul. 2009 - Feb. 2013)

Department of Materials Science & Engineering POSTECH, Pohang, Korea

Senior Researcher (Nov. 2007 - Jul. 2009)

Division of Electron Microscopic Research, Korea Basic Science Institute (KBSI), Daejeon, Korea

Researcher (Jun. 2006 - Oct. 2007)

Electron Microscopy Group, Materials Science & Technology Division Oak Ridge National Laboratory, Oak Ridge, TN, USA

Researcher (Sep. 2005 - Apr. 2006)

Erich Schmid Institute of Material Science, Leoben, Austria

Visiting Scientist (Mar. 2005 - Aug. 2005)

Max-Planck-Institute fur Metallforschung, Stuttgart, Germany

Senior Researcher (Dec. 2003 - Mar. 2005)

Materials Evaluation Group, Korea Research Institute of Standards and Science (KRISS), Daejeon, Korea

Postdoctoral Researcher (May. 2002 - Nov. 2003)

Max-Planck-Institute fur Metallforschung, Stuttgart, Germany

Representative Publications

  1. Sang Ho Oh*, Yaron Kauffmann, Christina Scheu, Wayne D. Kaplan, Manfred Ruhle, "Ordered liquid aluminum at the interface with sapphire", Science 310, 661 (2005).
  2. Sang Ho Oh*, Marc Legros, Daniel Kiener, Gerhard Dehm, "In situ Observation of Dislocation Nucleation and Escape in a Submicron Single-Crystal Al Wire", Nature Materials 8, 95-100 (2009).
  3. Sang Ho Oh*, Matthew F. Chisholm, Yaron Kauffmann, Wayne D. Kaplan, Weidong Luo, Manfred Ruehle, Christina Scheu, "Oscillatory Mass Transport in Vapor-Liquid-Solid Growth of Sapphire Nanowires", Science 330, 489 (2010).
  4. Subin Lee, Jiseong Im, Youngdong Yoo, Erik Bitzek, Bongsoo Kim, Sang Ho Oh*, "Reversible cyclic deformation mechanism of Au Nanowires by twinning-detwinning transition evidenced from in-situ TEM", Nature Communications 5, 3033 (2014).
  5. D. Lee, H. Lu, Y. Gu, S.-Y. Choi, S.-D. Li, S. Ryu, T. R. Paudel, Kyung Song, E. Mikheev, S. Lee, S. Stemmer, D. A. Tenne, Sang Ho Oh, E. Y. Tsymbal, X. Wu, L.-Q. Chen, A. Gruverman*, C. B. Eom*, "Emergence of Room-Temperature Ferroelectricity at Reduced Dimensions", Science 349, 1314-1317, (2015).
  6. Yoon Ah Shin, Sheng Yin, Xiaoyan Li, Subin Lee, Sungmin Moon, Jiwon Jeong, Minhyug Kwon, Seung Jo Yoo, Young-Min Kim, Teng Zhang, Huajian Gao* and Sang Ho Oh*, "Nanotwin-governed toughening mechanism in hierarchically structured biological materials", Nature Communications 7, 10772 (2016).
  7. Kyung Song, Sangwoo Ryu, Hyungwoo Lee, Tula R. Paudel, Christoph T. Koch, Bumsu Park, Ja Kyung Lee, Si-Young Choi, Young-Min Kim, Jong Chan Kim, Hu Young Jeong, Mark S. Rzchowski, Evgeny Y. Tsymbal, Chang-Beom Eom, Sang Ho Oh*, "Direct imaging of the electron liquid at oxide interfaces", Nature Nanotechnology 13, 198-203 (2018).
  8. Subin Lee, Aviral Vaid, Jiseong Im, Bongsoo Kim, Arun Prakash, Julien Guenole, Daniel Kiener, Erik Bitzek, Sang Ho Oh*, "In situ observation of the initiation of plasticity by nucleation of prismatic dislocation loops", Nature Communications 11, 2367 (2020).
  9. Zhen Wang, Jinho Byun, Subin Lee, Jinsol Seo, Bumsu Park, Jong Chan Kim, Young Jeong, Junhyeok Bang, Jaeokwang Lee, Sang Ho Oh*, "Vacancy driven surface disorder catalyzes anisotropic evaporation of ZnO (0001) polar surface", Nature Communications 13, 5616 (2022).
  10. Daniel Utt, Subin Lee, Yaolong Xing, Alexander Stukowski, Sang Ho Oh*, Gerhard Dehm, Karsten Albe*, "The origin of jerky dislocation motion in high-entropy alloy", Nature Communications 13, 4777 (2022).
  11. Yaolong Xing, Inhwan Kim, Kyeong Tae Kang, Bumsu Park, Zhen Wang, Jong Chan Kim, Hu Toung Jeong, Woo Seok Choi*, Jaekwang Lee*, Sang Ho Oh*, "Atomic-scale operando observation of oxygen diffusion during topotactic phase transition of a perovskite oxide", Matter 5, 1 (2022).
  12. Hyeon Han, Yaolong Xing, Bumsu Park, Dmitry I. Bazhanov, Yeongrok Jin, John T.S. Irvine, Jaekwang Lee, Sang Ho Oh*, "Anti-phase boundary accelerated exsolution of nanoparticles in non-stoichiometric perovskite thin films", Nature Communications 13, 6682 (2022).
  13. Zhipeng Wang, Jinho Byun, Zhen Wang, Yaolong Xing, Jinsol Seo, Jaekwang Lee, Sang Ho Oh*, "Direct observation of atomic step-assisted stabilization of polar surface", Advanced Materials 35, 230351 (2023).
  14. Jinsol Seo, Hyungwoo Lee, Kitae Eom, Jinho Byun, Taewon Min, Jaekwang Lee, Kyoungjun Lee, Chang-Beom Eom, Sang Ho Oh*, "Field-induced modulation of two-dimensional electron gas at LaAlO3/SrTiO3 interface by polar distortion of LaAlO3", Nature Communications 15, 5268 (2024).
  15. Yaolong Xing, Inhwan Kim, Kyeong Tae Kang, Jinho Byun, Woo Seok Choi*, Jaekwang Lee*, Sang Ho Oh*, "Monitoring the formation of infinite-layer transition metal oxides through in situ atomic-resolution electron microscopy", Nature Chemistry 17, 66-73 (2025).