van der Waals Nanoreactors - IV: Engineering Superconducting in Moiré Systems.

Introducing superconductivity into moiré quantum materials provides a promising route to investigate the interplay between superconductivity, strong electron correlations and topology. We employ the concept of van der Waals nanoreactors to induce and control chemical reactions of metals in moiré stacks of twisted bilayer MoTe₂, the latter of which has been discovered to exhibit integer and fractional Chern insulator states. We succeeded in controlling the growth process precisely down to nanometer scale and in designing a variety of device geometries. We will present our effort in constructing devices for systematic investigation of superconducting proximity effects in such moiré systems. Our work may lead to a versatile platform for engineering superconductivity in moiré systems, potentially offering a new path to creating and investigating new quantum states such as non-abelian anyons.