The AB-stacked nanosheet occurs as a metastable phase of h -BN resulting from the preferred texture and lateral growth of armchair (110) planes. It appears as an independent nanosheet or unit for h -BN platelets. The analysis is supported by simulation of thin AB films (2–20 layers), ...
Our density functional theory calculations show that while AB-stacked bilayer silicene has a non-quantized spin-valley Chern number, there exist backscattering-free gapless edge states within the bulk gap, leading to a quantum spin-valley Hall effect. Using a tight-binding model for a honeycomb bi...
In this work, we theoretically predict that interlayer couplings in AB-stacked bilayer transition-metal dichalcogenides (TMDs) lead to the emergence of extrinsic second-order topological phases, where corner states are induced by the band inversion of zigzag edge bands. We find that the systems ...
Using first-principles methods, we show that an applied perpendicular electric field E breaks the inversion symmetry of AB-stacked bilayer graphene (BLG), thereby slightly mixing the two in-plane high-energy optical vibrations (Eand Emodes). The mixed amplitudes increase parabolically with respect ...
(mflin@ mail.ncku.edu.tw) Electric Field Dependence of Excitation Spectra in AB-Stacked Bilayer Graphene Ying-Chih Chuang, Jhao-Ying Wu & Ming-Fa Lin Department of Physics, National Cheng-Kung University, Tainan 701, Taiwan. The single- and many-particle Coulomb excitation spectra in Bernal ...
In this work, the spin-dependent electronic band structure and magnetic susceptibility (MS) of two graphene’s analogue, monolayer and AB-stacked bilayer MoS 2, are investigated in the presence of induced magnetization by magnetic insulators. Here, we have assumed that the type of magnetic insulat...
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AB-stacked 3LG (AB-3LG) has an electrical structure of overlapping linear and quadratic bands [7] while that of ABC-stacked 3LG (ABC-3LG) has a cubic dispersion [8]. When an electric field is applied to 3LG, AB-3LG remains metallic at all fields while ABC-3LG behaves in a ...