○Yuki Fujita^{1[Master’s course]}, Naoyuki Hatada¹, Tetsuya Uda¹ (1. Kyoto University)

○Akihiro Iizuka¹, Shigeru Sasai¹ (1. Sumitomo Metal Mining Co., Ltd.)

○Gaku Ishida^{1[Master’s course]}, Shigeru Ueda¹, Takayuki Iwama¹, Ryo Inoue¹, Kouhei Miwa², Hiromitsu Watanabe², Satoshi Nakagawara² (1. Tohoku university, 2. DOWA METALS & MINING CO., LTD.)

○Masahito Uchikoshi¹, Shigeru Suzuki¹ (1. Tohoku University)

○takashi iseki¹, Noriyuki Suzuki¹, Jiang LIU¹ (1. SUMUTOMO METAL MINING CO.,LTD.)

○Yukinori Suzuki¹, Jiang Liu¹, Takashi Iseki¹ (1. Sumitomo Metal Mining Co.,LTD.)

○Jiang LIU¹, Yukinori SUZUKI¹, Takashi ISEKI¹ (1. Niihama Research Laboratiories, Sumitomo Metal Mining Co.)