· B.S. Ewha Womans University, Department of Physics(1997)
 · Ph. D. Ewha Womans University, Department of Physics(2004)
 · School of Electrical Engineering, Korea University (2004.9~2005.12)
 · KIST (2006.1~2006.12)
 · KRISS (2009.3~2010.8)
 · Dept. of Energy Science, Sungkyunkwan University (2013.12~2018.2)
 · Dept. of Physics, Pusan National University (2018.3~present)
· Electrical transport measurement of materials under various conditions (low temperature, High magnetic field, High pressure and so on.)
 · Study of various oxide thin films by the quantum conductance of graphene device
 · Device characteristics of 2D semiconductor materials on oxide thin films
· New concept of device such as spintronics or valleytronics
· Flexible Superconducting wires using carbon nanotube arrays