Researchers achieve charge-order-enhanced capacitance in semiconductor moiré superlattices

A moiré sample and a metal sheet separated by a distance from the two plates of a parallel plate capacitor. The two are strongly Coulomb-coupled at small distances, which could significantly enhance the capacitance. Credit: Li et al.

In recent years, electronics engineers have been experimenting with new materials that could be used to study electronic correlation phenomena. Van der Waals (vdW) moiré materials are particularly promising for examining these phenomena. VdW materials are composed of strongly bonded two-dimensional (2D) layers that are bound in the third dimension through weaker dispersion forces.

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