Affiliation: | 1. Nanosystem Research Institute (NRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan;2. CREST, Japan Science and Technology Corporation (JST), Kawaguchi, Saitama 332-0012, Japan;3. Department of Applied Physics, Nagoya University, Nagoya 464-8603, Japan;4. Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;5. Institut Laue-Langevin, 6 rue Jules Horowitz, BP 156, 38042 Grenoble, France;6. Department of Applied Physics, Hokkaido University, Sapporo 060-8628, Japan |