Study on magneto-optical, magnetic, optical and transport
properties, and electronic structures of thin films and
nanostructures, Analysis of magnetic surfaces and films by
using synchrotron radiation, Nanoscopic investigation of
morphology and magnetic domain, Nonlinear and time-resolved
magneto-optical spectroscopy, Characterization of the
surfaces and the interfaces of thin films including
multilayers, Electron spectroscopy, Vacuum science.

1987~1988 Researcher, Ames Laboratory, U.S.A.
1988~1994 Senior Researcher, Section Head, Research Institute of Industrial Science and Technology
1989~1990 Researcher, Institute of Physical and Chemical Research, Japan
1994~1999 Associate Professor, Professor, Sunmoon University
1995~ Secretary, Vice-Chair, Chair, Applied Physics Division of the Korean Physical Society
1998~ Editorial Secretary, General Secretary, Director, Korean Synchrotron Users' Association
2000~ General Secretary, Editor-in-Chief, Director, Korean Vacuum Society
2000~ Professor, Hanyang University
2002~ Director, Quantum Photonic Science Research Center
2003~ Vice-President, Director, Korean Physical Society

1992 IR52 JangYoungSil Award, MOST
2001~2002 International Article Award, Hanyang Univ.
2002 12th Excellent Science & Technology Article Award, KOFST
2002 Article Award, Korean Physical Society