1. Division of Materials Science; Faculty of Pure and Applied Sciences, and Tsukuba Research Center for Energy Materials Science (TREMS); University of Tsukuba; 1-1-1 Tennodai Tsukuba Ibaraki 305-8573 Japan
2. Konica Minolta, Inc.; 2970 Ishikawa Hachioji Tokyo 192-8505 Japan
3. Natural Science Center for Basic Research and Development; Hiroshima University; 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima 739-8526 Japan