Graphene Transport Mediated by Micropatterned Substrates

Abstract

Engineered substrates offer a promising avenue towards graphene devices having tunable properties. In particular, topographically patterned substrates can expose unique behavior due to their ability to induce local variations in strain and electrostatic doping. However, to explore the range of possible science and applications, it is important to create topographic substrates which both have tunable features and are suitable for transport measurements. In this Letter we describe the fabrication of tunable, topographically patterned substrates suitable for transport measurements. We report both optical and transport measurements of graphene devices fabricated on these substrates, and demonstrate characteristic strain and local doping behavior induced by the topographic features.

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Cited by in corpus (4)

• Preparing local strain patterns in graphene by atomic force microscope based indentation
• Valley notch filter in a graphene strain superlattice: Green's function and machine learning approach
• Strain field in graphene induced by nanopillar mesh
• Electronic transport in a two-dimensional superlattice engineered via self-assembled nanostructures