○Osamu Takeda¹, Masakiyo Nakamura¹, Xin Lu¹, Hongmin Zhu¹ (1. Tohoku University)

○Eltefat Ahmadi^1,2, Ryosuke O. Suzuki¹, Tatsuya Kikuchi¹ (1. Hokkaido University, 2. Japan Society for the Promotion of Science (JSPS))

○Issei Suzuki¹, Sakiko Kawanishi¹, Sage Bauers², Andriy Zakutayev², Hiroyuki Shibata¹, Minesok Kim³, Hiroshi Yanagi³, Takahisa Omata¹ (1. Tohoku University, 2. NREL, 3. University of Yamanashi)