CLEO-PR2022/ISOM'22/ODF'22

Presentation information

Oral Session

CLEO-PR2022 » 2D and Nanocarbon Materials III

[CTuA14C] 2D and Nanocarbon Materials III

Tue. Aug 2, 2022 9:00 AM - 10:30 AM Room 206 (2F)

Session Chairs: Kazunari Matsuda (Kyoto Univ.), Yuhei Miyauchi (Kyoto Univ.)

10:00 AM - 10:15 AM

[CTuA14C-03] Gate tunable moiré excitonic states in twisted WSe2/MoSe2 heterobilayers

*Duanfei Dong1, Wenjin Zhang1, Kenji Watanabe2, Takashi Taniguchi3, Keisuke Shinokita1, Kazunari Matsuda1 (1. Inst. of Advanced Energy, Kyoto Univ. (Japan), 2. Res. Center for Functional Materials, National Inst. for Materials Sci. (Japan), 3. Int'l Center for Materials Nanoarchitectonics, National Inst. for Materials Sci. (Japan))

[Presentation Style] Onsite

We revealed the impact of charging effects on heterobilayers. The additional peaks in photoluminescence spectra under the gate voltage originate from the moiré-trapped trions. The temperature-dependent result clarified the thermal activation of the moiré trions.