*Kotaro SEKI¹, Sosuke Kondo², Koichi Sato³, Hao Yu², Yasuki Okuno², Ryuta Kasada² (1. Graduate Student, Tohoku Univ., 2. Tohoku Univ., 3. Kagoshima Univ.)

*Naoto Oishi¹, Noriko Nitta¹, Brixi Michel², Takuju Zen¹ (1. Kochi University of Technology, 2. University of Hradec Králové)

*Masakuni Yamaguchi¹, Haruo Sawa², Hiroki Miyaoka^1,3, Yoshitugu Kojima^1,3 (1. Graduate school of advanced sciences of matter, Hiroshima Univ., 2. Chemio Corp., 3. N-BARD, Hiroshima Univ.)

*Naohiro Kobayashi^1,3, Motomichi Koyama¹, Tomohiko Hojo¹, Eiji Akiyama¹, Kenji Kobayashi² (1. Tohoku Univ IMR, 2. Nippon Steel, 3. Tohoku Univ Eng (Graduate student))

*Soichiro Sunada¹, Syouta Imai¹, Noboru Katayama¹, Motoaki Matsuo¹ (1. Kwansei Gakuin Univ.)