09:15 〜 09:30 ▲ [14a-303-2] Fundamental properties of free excitons in orthorhombic-phaseCH3NH3PbI3 perovskite single crystals 〇(P)Phuong Le Quang1、Nakaike Yumi1、Wakamiya Atsushi1、Kanemitsu Yoshihiko1 (1.Kyoto Univ.)