〇(D)MuhammadShamimAl Mamun¹、Hiroki Waizumi¹、Tsuyoshi Takaoka²、Yudai Tanaka¹、Md Iftekhar Alam¹、Tadahiro Komeda² (1.Graduate School of Sciences, Tohoku University, Sendai 980-8578, Japan、2.Institute of Multidisciplinary Research for Advanced Materials, Sendai 980-8577, Japan)