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Strain Induced One-Dimensional Landau-Level Quantization in Corrugated Graphene
Lan Meng, Wen-Yu He, Hong Zheng +10
Theoretical research has predicted that ripples of graphene generates effective gauge field on its low energy electronic structure and could lead to zero-energy flat bands, which a…
The Coexistence of van Hove Singularities and Superlattice Dirac Points in a Slightly Twisted Graphene Bilayer
Zhao-Dong Chu, Wen-Yu He, Lin He
We consider the electronic structure of a slightly twisted graphene bilayer and show the coexistence of van Hove singularities (VHSs) and superlattice Dirac points in a continuum a…
Evidence for Superlattice Dirac Points and Space-dependent Fermi Velocity in Corrugated Graphene Monolayer
Hui Yan, Zhao-Dong Chu, Wei Yan +10
Recent studies show that periodic potentials can generate superlattice Dirac points at energies in graphene (is the Fermi velocity of graphene and G is the reciprocal superlattice…
Controlling the Interlayer Coupling of Twisted Bilayer Graphene
Lan Meng, Wei Yan, Zhao-Dong Chu +5
The interlayer coupling of twisted bilayer graphene could markedly affect its electronic band structure. A current challenge required to overcome in experiment is how to precisely…
Enhanced Intervalley Scattering of Twisted Bilayer Graphene by Periodic AB Stacked Atoms
Lan Meng, Zhao-Dong Chu, Yanfeng Zhang +4
The electronic properties of twisted bilayer graphene on SiC substrate were studied via combination of transport measurements and scanning tunneling microscopy. We report the obser…
Strain-induced Evolution of Electronic Band Structures in a Twisted Graphene Bilayer
Wei Yan, Wen-Yu He, Zhao-Dong Chu +7
Here we study the evolution of local electronic properties of a twisted graphene bilayer induced by a strain and a high curvature. The strain and curvature strongly affect the loca…