Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition

Zubair，Muhammad1,2; Dong，Yi1,2; Cai，Bin3; Fu，Xiao1,2; Wang，Hailu1; Li，Tangxin1; Wang，Jinjin1; Liu，Shuning1; Xia，Mengjia1; Zhao，Qixiao1; Xie，Runzhang1; Xu，Hangyu1; Jiang，Xiaoyong1; Hu，Shuhong1; Song，Bo3; Chen，Xiaolong4; Zhou，Jiadong5; Dong，Lixin6; Miao，Jinshui1,2

2023-07-31

10.1063/5.0157710

Applied Physics Letters   Impact Factor & Quartile

0003-6951

1077-3118

Two-dimensional (2D) materials with reconfigurable properties show potential in neuromorphic hardware applications. However, most 2D materials-based neuromorphic hardware is volatile, which needs large energy to accomplish perception functions. Here, we report on nonvolatile floating gate photo-memory devices based on ReS/h-BN/SnS van der Waals heterostructures. The devices exhibit a large memory window of ∼60 V, a high program/erase current ratio of ∼10 with excellent retention characteristics, a low off-state current of 7.4 × 10 A, and a high detectivity of 1.98 × 10 cm Hz W, allowing for multi-bit information storage. For the multi-level storage capacity, 27 photo-memory states are obtained by pulsed laser illumination. Moreover, a neuromorphic computing network is also constructed based on the photo-memory devices with a maximum recognition accuracy of up to 90%. This work paves the way for miniaturization and high-density integration of future optoelectronics for neuromorphic hardware applications.

SCI

English

NI Journal Papers ; NI论文

Others

National Key Research and Development Program of China[2021YFA0715602] ; National Natural Science Foundation of China["62261136552","62005303","62134001"] ; Shanghai Post-doctoral Excellence Program[2022669] ; Shanghai Science and Technology Committee["21JC1406100","23YF1455400"] ; Open Research Projects of Zhejiang Lab[2022NK0AB01]

Physics

Physics, Applied

WOS:001040750800018

AIP Publishing

PHYSICS

2-s2.0-85166966147

Scopus

1.State Key Laboratory of Infrared Physics,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,200083,China
2.University of Chinese Academy of Sciences,Beijing,China
3.Institute of Intelligent Machines,HFIPS,Chinese Academy of Sciences,Hefei,China
4.Southern University of Science and Technology,Shenzhen,China
5.Complex Environmental Science Exploration Center,Beijing Institute of Technology,Beijing,China
6.City University of Hong Kong,Hong Kong

Zubair，Muhammad,Dong，Yi,Cai，Bin,et al. Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition[J]. Applied Physics Letters,2023,123(5).

Zubair，Muhammad.,Dong，Yi.,Cai，Bin.,Fu，Xiao.,Wang，Hailu.,...&Miao，Jinshui.(2023).Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition.Applied Physics Letters,123(5).

Zubair，Muhammad,et al."Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition".Applied Physics Letters 123.5(2023).