Nonvolatile Full Depletion
Al-doped HfO₂ nanofilm passivates traps and suppresses Coulomb scattering, while its switchable remanent polarization induces a nonvolatile electrostatic field that fully depletes the monolayer MoS₂ channel.
Meng, Guodong · She, Junyi · Yu, Hao · Li, Qiang · Liu, Xin · Yin, Zongyou · Cheng, Yonghong
ACS Applied Materials & Interfaces 2024
Photocurrent on/off ratio > 10⁴ nm⁻¹
Monolayer MoS₂ (CVD-grown)