^○N. Quack ¹, T.J. Seok ², S. Han ³, R.S. Muller ⁴, M.C. Wu ⁴ (1.École Polytechnique Fédérale de Lausanne, EPFL (Switzerland), 2.Gwangju Institute of Science and Technology (Korea), 3.Korea Advanced Institute of Science and Technology (Korea), 4.Univ. of California, Berkeley (USA))

^○K. Ito ¹, K. Nishikawa ¹, A. Miura ¹, H. Iizuka ¹, H. Toshiyoshi ² (1.Toyota Central R&D Labs., Inc. (Japan), 2.Univ. of Tokyo (Japan))

^○M. Goto ¹ (1.NHK Science and Technology Research Labs. (Japan))

^○J. Wang ¹, Y. Yin ¹, L. Ma ¹, O. Schmidt ¹ (1.Leibniz Institute for Solid State and Materials Research Dresden (Germany))

^○K. Shih ¹, C.P. Ho ^1,2, C. Lee ¹ (1.National Univ. of Singapore (Singapore), 2.Univ. of Tokyo (Japan))

^○Z. Wang ¹, P.-H. Cu-Nguyen ¹, H. Zappe ¹ (1.Univ. of Freiburg (Germany))

^○Y. Takashima ^1,2, M. Haraguchi ¹, Y. Naoi ¹ (1.Tokushima Univ. (Japan), 2.JSPS Research Fellow (Japan))