High-performance IGZO/In2O3 NW/IGZO phototransistor with heterojunctions architecture for image processing and neuromorphic computing

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外文摘要：The development of high-performance neuromorphic phototransistors is of paramount importance for image perception and depth memory learning.Here,based on metal-oxide heterojunction architecture,artificial synaptic phototransistors with synaptic plasticity have been achieved,demonstrating an arti-ficial synapse that integrates central and optic nerve functions.Thanks to the sensitive light-detection properties,the optical power consumption of such photonic artificial synapses can be as low as 22 pico-joules,which is extremely competitive compared with other pure metal oxide photoelectric synapses ever reported.What is more,owing to its good short-term(STP)and tunable amplitude-frequency character-istics,the as-constructed device can function as a biomimetic high-pass filter for picture edge detection.Dual-mode synaptic modulation has been performed,combining photonic pulse with gate voltage stim-ulus.After photoelectric-synergistic modulation,the high synaptic weights enable the device to simulate complex neural learning rules for neuromorphic applications,including gesture recognition,image per-ception in the visual system,and classically conditioned reflexes.These results suggest that the current oxide-based heterojunction architecture displays potential application in future multifunction neuromor-phic devices and systems.

外文关键词：

Metal oxideArtificial synaptic devicesPhototransistorAssociative-memory-learningNeuromorphic applications

作者：

Can Fu、Zhi-Yuan Li、Yu-Jiao Li、Min-Min Zhu、Lin-Bao Luo、Shan-Shan Jiang、Yan Wang、Wen-Hao Wang、Gang He

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作者单位：

School of Materials Science and Engineering,Anhui University,Hefei 230601,China

School of Microelectronics,Hefei University of Technology,Hefei 230009,China

School of Integration Circuits,Anhui University,Hefei 230601,China

基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaAnhui ProjectScientific research project of colleges and universities in Anhui ProvinceUniversity Synergy Innovation Program of Anhui ProvincePostdoctoral daily public startup funds of Anhui University

项目编号：

117740015220215652103297Z0101181692022AH050113GXXT-2022-012S202418001/069

出版年：

2024

DOI：

10.1016/j.jmst.2024.02.007

材料科学技术(英文版)

中国金属学会中国材料研究学会中国科学院金属研究所

材料科学技术(英文版)

CSTPCD

影响因子：0.657

ISSN：1005-0302

年,卷(期)：2024.196(29)