Education

· Ph. D. in Physics (advisor: Prof. Ron Reifenberger), Department of Physics, Purdue University, West Lafayette, Indiana, USA, 2000.

· M.S. in Physics (advisor: Prof. Byong-Doo Choe), Department of Physics, Seoul National University, Seoul, Korea, 1994.

· B.S. in Physics, Department of Physics, Seoul National University, Seoul, Korea, 1992.

Work Experience

· Associate Professor, Department of Physics and Astronomy, Seoul National University, Seoul, Korea, 2011 Sep. - present

· Professor, Department of Materials Science & Engineering, Gwangju Institute of Science & Technology, Gwangju, Korea, 2004 June - 2011 Aug.

· Postdoctoral Researcher, Prof. Mark Reed's Group, Department of Electrical Engineering, Yale University,  New Haven, Connecticut, USA, 2000 - 2004 May

Research Interests

· Molecular Electronics: Molecular scale charge transport, conduction mechanism, interaction of charge  carrisers with molecules, contact effect, energy band structure.

· Organic (polymer) non-volatile memory devices, Flexible electronics

· Nanowire field effect transistors, logic circuits

· Graphene-electrode optoelectronic devices
 

Selected Publications

· Hyunwook Song et al."Observation of Molecular Orbital Gating", Nature, Vol. 462, page 1039-1043, (2009). (Issue of December 24, 2009).[PDF] [Journal link]

· Gunuk Wang et al."New approach for molecular electronic junctions with multi-layer graphene electrode", Advanced Materials,  Volume 23 Issue 6, Pages 755-760 (2011) [PDF] [Journal link]

· Byungjin Cho et al."Rewritable Switching of One Diode–One Resistor Nonvolatile Organic Memory Devices", Advanced Materials, Volume 22 Issue 11, Pages 1228 - 1232 (2010).[PDF] [Journal link]

· Sunghoon Song et al."Three-dimensional integration of organic resistive memory devices", Advanced Materials, 22, 5048-5052 (2010). [PDF] [Journal link]

· Gunho Jo et al. “Hybrid Complementary Logic Circuits of One-Dimensional Nanomaterials with Adjustment of Operation Voltage”, Advanced Materials, Volume 21 Issue 21, Pages 2156 - 2160 (2009). [PDF] [Journal link]

· Tae-Wook Kim et al."One Transistor–One Resistor Devices for Polymer Non-Volatile Memory Applications", Advanced Materials, Volume 21 Issue 24, Pages 2497 - 2500 (2009).[PDF] [Journal link]

· Woong-Ki Hong et al. “Tunable Electronic Transport Characteristics of Surface Architecture-Controlled ZnO Nanowire Field Effect Transistors", Nano Lett. 8,950-956 (2008). [PDF] [Journal link]