Recently, Rydberg excitons have been demonstrated in transition metal dichalcogenide moire superlattices. Here, using atomic-scale imaging, the authors observe Rydberg structure and moire periodicity of ground-state interlayer excitons in a monolayer YbCl3 on highly oriented pyrolytic graphite.
- Meng Zhao
- Zhongjie Wang
- Chunlei Gao
