Tunable Ultrafast Charge Transfer across Homojunction Interface
Zhi-Guo Tao,
Shihan Deng,
Oleg V. Prezhdo
et al.
Abstract:Charge transfer at heterojunction interfaces is a fundamental process that plays a crucial role in modern electronic and photonic devices. The essence of such charge transfer lies in the band offset, making charge transfer uncommon in a homojunction. Recently, sliding ferroelectricity has been proposed and confirmed in two-dimensional van der Waals stacked materials such as bilayer boron nitride. During the sliding of these layers, the band alignment shifts, creating conditions for charge separation at the int… Show more
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