Akiyama Satoru | Department Of Electrical Engineering Faculty Of Science And Technology Keio University

Ion Engineering Research Institute Corporation

Ion Engineering Research Institute Corporation

Department Of Physics Faculty Of Science And Technology Science University Of Tokyo

Department of Physics, Faculty of Science and Technology Science University of Tokyo

SANYO Electric Co. Ltd., Microelectronics Res. Cent.

Department of Electrical Engineering, Faculty of Science and Technology, Keio University

Chung‐ang Univ. Kyunggi‐do Kor

Department Of Physics And Earth Sciences Faculty Of Science University Of The Ryukyus

Ion Engineering Research Institute Co.

Ion Engineering Research Institute Co.

Department Of Physics Faculty Of Science And Technology Science University Of Tokyo

Department of Physics, Faculty of Science and Technology Science University of Tokyo

Department of General Education, Wakayama National College of Technology, Gobo, Wakayama 644-0023, Japan

Department of Physics and Earth Sciences, Faculty of Science, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan

Department of Physics, Kyoto University

Department of Electrical Engineering, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan

Ion Engineering Research Institute Co., 2-8-1 Tsuda-Yamate, Hirakata, Osaka 573-0128, Japan