Author
Listed:
- Xiaodong Yan
(Northwestern University)
- Zhiren Zheng
(Massachusetts Institute of Technology)
- Vinod K. Sangwan
(Northwestern University)
- Justin H. Qian
(Northwestern University)
- Xueqiao Wang
(Massachusetts Institute of Technology)
- Stephanie E. Liu
(Northwestern University)
- Kenji Watanabe
(National Institute for Materials Science)
- Takashi Taniguchi
(National Institute for Materials Science)
- Su-Yang Xu
(Harvard University)
- Pablo Jarillo-Herrero
(Massachusetts Institute of Technology)
- Qiong Ma
(Boston College
CIFAR)
- Mark C. Hersam
(Northwestern University
Northwestern University
Northwestern University)
Abstract
Moiré quantum materials host exotic electronic phenomena through enhanced internal Coulomb interactions in twisted two-dimensional heterostructures1–4. When combined with the exceptionally high electrostatic control in atomically thin materials5–8, moiré heterostructures have the potential to enable next-generation electronic devices with unprecedented functionality. However, despite extensive exploration, moiré electronic phenomena have thus far been limited to impractically low cryogenic temperatures9–14, thus precluding real-world applications of moiré quantum materials. Here we report the experimental realization and room-temperature operation of a low-power (20 pW) moiré synaptic transistor based on an asymmetric bilayer graphene/hexagonal boron nitride moiré heterostructure. The asymmetric moiré potential gives rise to robust electronic ratchet states, which enable hysteretic, non-volatile injection of charge carriers that control the conductance of the device. The asymmetric gating in dual-gated moiré heterostructures realizes diverse biorealistic neuromorphic functionalities, such as reconfigurable synaptic responses, spatiotemporal-based tempotrons and Bienenstock–Cooper–Munro input-specific adaptation. In this manner, the moiré synaptic transistor enables efficient compute-in-memory designs and edge hardware accelerators for artificial intelligence and machine learning.
Suggested Citation
Xiaodong Yan & Zhiren Zheng & Vinod K. Sangwan & Justin H. Qian & Xueqiao Wang & Stephanie E. Liu & Kenji Watanabe & Takashi Taniguchi & Su-Yang Xu & Pablo Jarillo-Herrero & Qiong Ma & Mark C. Hersam, 2023.
"Moiré synaptic transistor with room-temperature neuromorphic functionality,"
Nature, Nature, vol. 624(7992), pages 551-556, December.
Handle:
RePEc:nat:nature:v:624:y:2023:i:7992:d:10.1038_s41586-023-06791-1
DOI: 10.1038/s41586-023-06791-1
Download full text from publisher
As the access to this document is restricted, you may want to search for a different version of it.
Corrections
All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:nature:v:624:y:2023:i:7992:d:10.1038_s41586-023-06791-1. See general information about how to correct material in RePEc.
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
We have no bibliographic references for this item. You can help adding them by using this form .
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .
Please note that corrections may take a couple of weeks to filter through
the various RePEc services.