[22p-P07-1~67] 17 Nanocarbon and Two-Dimensional Materials (Poster)

[22p-P07-64] Temperature dependence of the photogating effect of a WSe₂/WO_x heterostructure

〇(B)Hitomi Kanaya¹, Mitsuru Inada¹, Takashi Taniguchi², Kenji Watanabe², Keiji Ueno³, Mahito Yamamoto¹ (1.Kansai Univ., 2.NIMS, 3.Saitama Univ.)

Keywords:

WSe2,photogating effect

We found that photocurrents due to photogating effect of 2D WSe₂/WO_x heterostructure were significantly reduced below room temperature. This result suggests that trapped sites are located either energetically or spatially deep positions in WO_x.