Deep subwavelength control of valley polarized cathodoluminescence in h-BN/WSe2/h-BN heterostructure
oleh: Liheng Zheng, Zhixin Liu, Donglin Liu, Xingguo Wang, Yu Li, Meiling Jiang, Feng Lin, Han Zhang, Bo Shen, Xing Zhu, Yongji Gong, Zheyu Fang
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2021-01-01 |
Deskripsi
Here, the authors generate near-field circularly polarized dipole modes in a hBN/WSe2/hBN–Au nanoantenna hybrid structure by electron beam excitation, and show nanoscale control of the valley polarization through spatial variation of the electron beam excitation position.