Journal
APPLIED PHYSICS EXPRESS
Volume 15, Issue 11, Pages -Publisher
IOP Publishing Ltd
DOI: 10.35848/1882-0786/ac9a22
Keywords
topological transistor; quantum tunneling; anomalous hall effects; graphene
Categories
Funding
- National Natural Science Foundation of China (NSFC) [11704078]
- Guangdong University of Technology One-Hundred Young Talents Program [220413143]
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The study focused on the tunneling transport properties of topological edge states in irradiated graphene and graphene-like materials, revealing that electrons cannot transport through the device due to the band gap, but will tunnel through when anomalous topological edge states are induced by a laser.
Motivated by the recent observation of anomalous Hall effects in graphene [Nat. Phys. 16, 38-41 (2020)], we study the tunneling transport properties of topological edge states in irradiated graphene and graphene-like materials. We investigate the quantum tunneling transport in a structure: laser-irradiated graphene/gapped graphene/laser-irradiated graphene. We find that electrons cannot transport through the device because of the band gap, but electrons will tunnel through the device when anomalous topological edge states are induced by a laser. We predict a topological transistor based on the tunneling transport of topological edge states in irradiated graphene-like materials.
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