Engineers integrate wafer-scale 2D materials and metal electrodes with van der Waals contacts

Illustration of electrode transfer and the all-stacking method. a Schematic diagram of the metal electrode peeling off process from fluorophlogopite mica (F-mica) with the van der Waals (vdW) interface. b Illustration of the all-stacking method. c Process of four square-inch electrode transfer, AL and SL represent adhesion layer and supporting layer respectively. d Optical images of the Au electrodes deposited on the F-mica (left) and transferred intact to the silicon substrate (right). e Cross-sectional STEM image of the stacked Au/ReS2 interface. f The Au and Re elemental distribution at the cross-section of the stacked Au/ReS2 interface. Credit: Nature …
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