*Masashi Inoue¹, Otsuka Teppei², keitaro IMAE³, Alihide AZUMA³ (1. KINDAI Univ., 2. KINDAI Univ., 3. KINDAI Univ.)

*Takashi KODAMA¹ (1. Utsunomiya Univ)

*Jeong-Won Choi¹, Yasuhiro Aoki¹, Kohsaku Ushioda¹, Hidetoshi Fujii¹ (1. Osaka university)

*Tomoyuki HONMA¹, Takashi WASHIZU¹ (1. Nagaoka Univ. Tech.)

*SEUNGKYUN YIM¹, Huakang Bian², Kenta Aoyagi², Kenta Yamanaka², Akihiko Chiba² (1. Graduate School of Engineering, Tohoku University, 2. Institute for Materials Research, Tohoku University)

*Naoki MIYAZAWA¹, Susumu Onaka¹ (1. Tokyo Inst. Tech.)

*Naoya YAMAGUCHI¹, Kawasaki HIROTAKA¹, Nanko MAKOTO¹ (1. Nagaoka University of Technology)