Poster II

[030C] Phase Transitions of the Lead-Free Methylammonium Tin Halide Perovskites MASnX3(X=I,Br)

*Miwako Takahashi¹, Koke Shoma¹, Masato Hagihala², Shuki Torii,³, Yui Fujihisa⁹, Hiroshi Fujihisa, ⁶, Yukio Noda^7,8, Hiroko Yokota,⁵, Dan Kitahara,⁴ (1. Univ. of Tsukuba, 2. JAEA MSRC, 3. KEK IMSS, 4. Chiba Univ., 5. Tokyo Tech, 6. AIST, 7. Tohoku Univ., 8. ISSP Univ. of Tokyo, 9. RIGAKU Co.)