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Realizing One-dimensional Metallic States in Graphene via Periodically Coupled Zeroth Pseudo-Landau Levels
Yi-Wen Liu, Zhen Zhan, Zewen Wu +3
Strain-induced pseudo-magnetic fields can mimic real magnetic fields to generate a zero-magnetic-field analogue of the Landau levels (LLs), i.e., the pseudo-LLs, in graphene. The d…
Electronic properties and quantum transports in functionalized graphene Sierpinski carpet fractals
Xiaotian Yang, Weiqing Zhou, Qi Yao +3
Recent progress in controllable functionalization of graphene surfaces enables the experimental realization of complex functionalized graphene nanostructures, such as Sierpinski ca…
An accurate description of the structural and electronic properties of twisted bilayer graphene-boron nitride heterostructures
Min Long, Pierre A. Pantaleón, Zhen Zhan +3
Twisted bilayer graphene (TBG) has taken the spotlight in the condensed matter community since the discovery of correlated phases at the so-called magic angle. Interestingly, the r…
Polarization-dependent selection rules and optical spectrum atlas of twisted bilayer graphene quantum dots
Yunhua Wang, Guodong Yu, Malte Rösner +3
Finding out how symmetry encodes optical polarization information into the selection rule in molecules and materials is important for their optoelectronic applications including sp…
Flat-band plasmons in twisted bilayer transition metal dichalcogenides
Xueheng Kuang, Zhen Zhan, Shengjun Yuan
Twisted bilayer transition metal dichalcogenides are ideal platforms to study flat-band phenomena. In this paper, we investigate flat-band plasmons in the hole-doped twisted bilaye…
Magic angle and plasmon mode engineering in twisted trilayer graphene with pressure
Zewen Wu, Xueheng Kuang, Zhen Zhan +1
Recent experimental and theoretical investigations demonstrate that twisted trilayer graphene (tTLG) is a highly tunable platform to study the correlated insulating states, ferroma…
Double Resonant Tunable Second Harmonic Generation in Two-dimensional Layered Materials through Band Nesting
Sudipta Romen Biswas, Jin Yu, Zhenwei Wang +4
We proposed a mechanism to generate giant anisotropic second harmonic nonlinear response via double resonance effect, achieved through band nesting via electronic bandstructure eng…
Distribution of ripples in graphene membrane
Jin Yu, Mikhail I. Katsnelson, Shengjun Yuan
Intrinsic ripples with various configurations and sizes were reported to affect the physical and chemical properties of 2D materials. By performing molecular dynamics simulations a…
Interlayer hybridization in graphene quasicrystal and other bilayer graphene systems
Guodong Yu, Yunhua Wang, Mikhail I. Katsnelson +2
The incommensurate 30 twisted bilayer graphene (BG) possesses both relativistic Dirac fermions and quasiperiodicity with 12-fold rotational symmetry arising from the inte…
Electronic properties and quasi-particle model of monolayer MoSiN
Zhenwei Wang, Xueheng Kuang, Guodong Yu +3
By a combined study with first-principles calculations and symmetry analysis, we theoretically investigate the electronic properties of monolayer MoSiN. While the spin-orbi…
Structure-Composition-Property Relationships in Antiperovskite Nitrides: Guiding a Rational Alloy Design
Hongxia Zhong, Chunbao Feng, Hai Wang +7
The alloy strategy through A- or X-site is a common method for experimental preparation of high-performance and stable lead-based perovskite solar cells. As one of the important ca…