2006/3-2010/7, University of Ulsan, Korea, Ph.D. of Physics, Supervisor: Sunglae Cho 2010/9-2011/4,National Chung Cheng University, Taiwan,Physics department,Postdoctor fellow 2011/5-2012/12,Max Planck Institute of Microstructure,Germany, Postdoctor fellow 2013/1-present, China University of Geosciences, Beijing, faculty