Institution: | (1) Department of Physics, Faculty of Science, Kanazawa University, Kanazawa, 920-1192, Japan;(2) Present address: Nissin Electric Co. Ltd., Ukyou-Ku Kyoto, 615-0906, Japan;(3) Present address: Toshiba Corporation, Ootawara Tochigi, 324-0036, Japan;(4) Department of Physics, Faculty of Science, Saitama University, Saitama, 338-8570, Japan |