11:45 〜 12:00 ▲ [23a-C202-5] Sensitive terahertz emission response from the Si surface with buffered hydrogen fluoride treatment by terahertz emission spectroscopy (TES) 〇(D)Dongxun Yang1、Abdul Mannan1、Fumikazu Murakami1、Masayoshi Tonouchi1 (1.Osaka Univ.)