Engineering band structures of two dimensional materials with remote moiré Ferroelectricity

        The Paper of the Day article demonstrates a method for constructing remote moiré superlattices by employing both twist angle and stacking order. The researchers utilized twisted WSe2 with a rhombohedral-stacked interface as the moiré construction layer, and bilayer graphene as the target layer for electronic transport. The moiré ferroelectric potential present in twisted WSe2 can be imprinted onto the bilayer graphene, manifesting as pronounced satellite resistance peaks that are tunable by the twist angle of WSe2. The researchers observed ferroelectric hysteresis at finite displacement fields, suggesting the moiré is delivered by a long-range electrostatic potential. This remote moiré strategy separates the moiré construction layer from the electronic transport layer, allowing for the engineering of band structures and properties of two-dimensional materials.