Sakai Tôru | Graduate School of Material Science, University of Hyogo, Kamigori, Hyogo 678-1297, Japan

Graduate School And Faculty Of Science Himeji Institute Of Technology

Graduate School of Material Science, University of Hyogo, Kamigori, Hyogo 678-1297, Japan

Institute For Solid State Physics University Of Tokyo

Department Of Materials Science Faculty Of Science Hiroshima University

Department Of Applied Physics Faculty Of Science Tokyo Institute Of Technology

Department Of Physics Kyushu Univercity

Professor Emeritus, Kobe University, Kobe 657-8501, Japan

Professor Emeritus, Kobe University, Kobe 657-8501, Japan

Department of Physics, Kyushu University, Fukuoka 812-8581, Japan

Department of Physics, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan