1. Department of Chemistry Graduate School of Science Tohoku University 6-3 Aramaki Aza Aoba Aoba-ku Sendai, Miyagi 980-8578 Japan
2. Research and Utilization Division Japan Synchrotron Radiation Research Institute 1-1-1 Kouto Sayo-cho Sayo-gun, Hyogo 679-5198 Japan
3. CNRS Institut Néel 38042 Grenoble France
4. KIT Physikalisches Institut Wolfgang-Gaede-Str. 1 76131 Karlsruhe Germany
5. KIT Institute of Nanotechnology 76344 Eggenstein-Leopoldshafen Germany
6. Department of Materials Engineering Science Graduate School of Engineering Science Osaka University Machikaneyama Toyonaka, Osaka 560-8531 Japan
7. WPI Research Center Advanced Institute for Materials Research Tohoku University 2-1-1 Katahira Aoba-ku Sendai 980-8577 Japan
8. School of Materials Science and Engineering Nankai University Tianjin 300350 P. R. China