Schedule 0 10:15 AM - 10:30 AM [ALPS-16-05] The observation of spin reorientation phase transition in Sm1-xErxFeO3 by terahertz time domain spectroscopy *Yohei Koike1, Kazumasa Hirota1, Hongsong Qiu1, Shodai Kimoto1, Kosaku Kato1, Masashi Yoshimura1, Makoto Nakajima1 (1. Institute of Laser Engineering, Osaka University)