Education

• D. Sc. Electrical Engineering, Washington University, St. Louis, Missouri, USA (1998.9 ~ 2002. 8)

  Dissertation Title: “Plasma etch profiles modeling of silicon dioxide contact holes with etching and deposition”

• M. S. Electrical Engineering, Tsinghua University, Beijing, China (1995.9 ~ 1998. 7)

  Thesis Title: “Theoretical study of RF glow discharge plasma”

• B. A. Electrical Engineering, Tsinghua University, Beijing, China (1990.9 ~ 1995.7)

Work experiences

• 2016.09 ~ present Professor (Department of Physics, Hankuk University of Foreign Studies)
• 2014.03 ~ 2016.08 Associate Professor (Department of Physics, Hankuk University of Foreign Studies)
• 2011.03 ~ 2014.02 Assistant Professor (Department of Physics, Hankuk University of Foreign Studies)
• 2009.03 ~ 2011.02 Lecturer (Department of Physics, Hankuk University of Foreign Studies)
• 2007.08 ~ 2008.10 Research Professor (School of Electrical Engineering, Korea University)
• 2005.08 ~ 2007.06 Postdoctoral Researcher (Research Center of Oxide Electronics, School of Physics and Astronomy, Seoul National University)
• 2002.09 ~ 2005.06 Postdoctoral Researcher (School of Engineering, Virginia Commonwealth University, USA)

Selected Publications

• Highly efficient (BiO)2CO3-BiO2-graphene photocatalysts:Z-scheme photocatalytic mechanism for their enhanced photocatalytic removal of NO”

  Applied Catalysis B: Environmental 240 (2019) 241

  “Nitrogen doped BiFeO3 with enhanced magnetic properties and photo-Fenton catalytic activity for degradation of bisphenol A under visible light”

  Chemical Engineering Journal 337 (2018) 709

  “Magnetically separable sulfur-doped SnFe2O4/graphene nanohybrids for effective photocatalytic purification of wastewater under visible light”

  J. Hazardous Materials 338 (2017) 447

  “Effect of internal field on the high resistance state retention of unipolar resistance switching in ferroelectric vanadium doped ZnO”

  Applied Physics Letters 110 (2017) 143502

  “A comprehensive review of ZnO and related devices”, J. Appl. Phys. 98, 041301 (2005)

  “Ferromagnetism of ZnO and GaN: A review”, J. Materials Science: Materials in Electronics 16, 555-597 (2005)