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VAN DER WAALS HETEROSTRUCTURES

Multifunctional devices from asymmetry

Nature Electronics volume 1, pages 331–332 (2018)Cite this article

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A heterostructure made from various two-dimensional materials can be used to build a device that functions as a diode, transistor, photodetector and non-volatile memory.

Two-dimensional semiconductors can confine charge carriers within an atomic-layer thickness and thus serve as the thinnest possible channel materials. Such capabilities can provide efficient electrostatic control in scaled-down devices, where undesired leakage current between source and drain electrodes can cause power dissipation when in standby. These materials can also be stacked to create a diverse range of layered heterostructures — also known as van der Waals heterostructures. These heterostructures can combine different two-dimensional materials, and their associated properties, in a way that would be prohibited by natural crystal growth due to lattice mismatch, allowing new material systems with new functionalities to be created.

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Fig. 1: Multifunctional asymmetric van der Waals heterostructure devices.

reproduced from ref. 4, Macmillan Publishers Ltd.

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Authors and Affiliations

  1. Wuhan National High Magnetic Field Center and School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China

    Yanqing Wu

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  1. Yanqing Wu
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Correspondence to Yanqing Wu.

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Wu, Y. Multifunctional devices from asymmetry. Nat Electron 1, 331–332 (2018). https://doi.org/10.1038/s41928-018-0093-1

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  • DOI: https://doi.org/10.1038/s41928-018-0093-1

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