Ho-Jung Chang | Department of Electronics Engineering, Dankook University, San #29, Anseo-dong, Dongnam-gu, Cheonan, Chungnam 330-714, Korea

Department Of Electrical And Electronic Engineering Toyohashi University Of Technology

Department Of Electrical And Electronic Information Engineering Toyohashi University Of Technology

Department Of Anesthesiology Iwate Medical University School Of Medicine

Department of Electronics Engineering, Dankook University, San #29, Anseo-dong, Dongnam-gu, Cheonan, Chungnam 330-714, Korea

Department of Civil and Environmental Engineering, Myongji University, Nam-dong, Yongin 449-728, Korea

Takasaki Advanced Radiation Research Institute, Japan Atomic Energy Agency, 1233 Watanuki-machi, Takasaki, Gunma 370-1292, Japan

Nano-Science Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea

Department of Electronics and Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Toyohashi, Aichi 441-8580, Japan

Nano-Materials Analysis Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea

Nano-Materials Analysis Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea