Due to their reduced dimensionality and strong quantumconfinement, two-dimensional (2D) materials have emerged as aversatile platform for exploring quantum phenomena absent intheir bulk counterparts. Stacking 2D mater...Due to their reduced dimensionality and strong quantumconfinement, two-dimensional (2D) materials have emerged as aversatile platform for exploring quantum phenomena absent intheir bulk counterparts. Stacking 2D materials to form bilayerheterostructures or homostructures introduces additionaldegrees of freedom to tune or even create novel quantumproperties [1]. A prominent example is the discovery of flatbands and superconductivity in twisted bilayer graphene at asmall “magic” twist angle, where suppressed electron kineticsamplifies electron correlation, giving rise to emergent quantumphenomena [2]. Another notable case is the formation of quasicrystalsin bilayer graphene at the large twist angle, whichfurther expands the possibilities for tailoring electronic structures[3].展开更多
文摘Due to their reduced dimensionality and strong quantumconfinement, two-dimensional (2D) materials have emerged as aversatile platform for exploring quantum phenomena absent intheir bulk counterparts. Stacking 2D materials to form bilayerheterostructures or homostructures introduces additionaldegrees of freedom to tune or even create novel quantumproperties [1]. A prominent example is the discovery of flatbands and superconductivity in twisted bilayer graphene at asmall “magic” twist angle, where suppressed electron kineticsamplifies electron correlation, giving rise to emergent quantumphenomena [2]. Another notable case is the formation of quasicrystalsin bilayer graphene at the large twist angle, whichfurther expands the possibilities for tailoring electronic structures[3].
