13:30 〜 13:45 ▲ [12p-N405-3] Temperature dependence of anisotropic terahertz conductivity of unintentionally doped β-gallium oxide 〇(M2)Ke Wang1、Hao Jiang1、Hironaru Murakami1、Masayoshi Tonouchi1 (1.Osaka Univ.)