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2D crystal semiconductors

Intimate contacts

High electrical contact resistance had stalled the promised performance of two-dimensional layered devices. Low-resistance metal–semiconductor contacts are now obtained by interfacing semiconducting MoS2 layers with the metallic phase of this material.

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Figure 1: Contact resistances for various semiconductor materials against the quantum limits for crystalline materials.


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Correspondence to Debdeep Jena.

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Jena, D., Banerjee, K. & Xing, G. Intimate contacts. Nature Mater 13, 1076–1078 (2014).

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