Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor

doi:10.1088/1674-1056/abc163

中国物理B ›› 2021, Vol. 30 ›› Issue (5): 58102-058102.doi: 10.1088/1674-1056/abc163

所属专题： SPECIAL TOPIC — Physics in neuromorphic devices

Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor

Rui Liu(刘锐), Yongli He(何勇礼), Shanshan Jiang(姜珊珊), Li Zhu(朱力), Chunsheng Chen(陈春生), Ying Zhu(祝影), and Qing Wan(万青)^†

School of Electronic Science and Engineering, Nanjing University, Nanjing 210023, China

收稿日期:2020-08-24 修回日期:2020-09-30 接受日期:2020-10-15 出版日期:2021-05-14 发布日期:2021-05-14
通讯作者: Qing Wan E-mail:wanqing@nju.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11674162 and 61834001) and the National Key R&D Program of China (Grant Nos. 2018YFA0305800 and 2019YFB2205400).

Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor

Rui Liu(刘锐), Yongli He(何勇礼), Shanshan Jiang(姜珊珊), Li Zhu(朱力), Chunsheng Chen(陈春生), Ying Zhu(祝影), and Qing Wan(万青)^†

School of Electronic Science and Engineering, Nanjing University, Nanjing 210023, China

Received:2020-08-24 Revised:2020-09-30 Accepted:2020-10-15 Online:2021-05-14 Published:2021-05-14
Contact: Qing Wan E-mail:wanqing@nju.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11674162 and 61834001) and the National Key R&D Program of China (Grant Nos. 2018YFA0305800 and 2019YFB2205400).

1. 2021-058102-SI.pdf(299KB)

摘要/Abstract

摘要： Emulation of synaptic function by ionic/electronic hybrid device is crucial for brain-like computing and neuromorphic systems. Electric-double-layer (EDL) transistors with proton conducting electrolytes as the gate dielectrics provide a prospective approach for such application. Here, artificial synapses based on indium-tungsten-oxide (IWO)-based EDL transistors are proposed, and some important synaptic functions (excitatory post-synaptic current, paired-pulse facilitation, filtering) are emulated. Two types of spike-timing-dependent plasticity (Hebbian STDP and anti-Hebbian STDP) learning rules and multistore memory (sensory memory, short-term memory, and long-term memory) are also mimicked. At last, classical conditioning is successfully demonstrated. Our results indicate that IWO-based neuromorphic transistors are interesting for neuromorphic applications.

关键词: neuromorphic transistors, synaptic plasticity, oxide-based semiconductors, classical conditioning

Abstract: Emulation of synaptic function by ionic/electronic hybrid device is crucial for brain-like computing and neuromorphic systems. Electric-double-layer (EDL) transistors with proton conducting electrolytes as the gate dielectrics provide a prospective approach for such application. Here, artificial synapses based on indium-tungsten-oxide (IWO)-based EDL transistors are proposed, and some important synaptic functions (excitatory post-synaptic current, paired-pulse facilitation, filtering) are emulated. Two types of spike-timing-dependent plasticity (Hebbian STDP and anti-Hebbian STDP) learning rules and multistore memory (sensory memory, short-term memory, and long-term memory) are also mimicked. At last, classical conditioning is successfully demonstrated. Our results indicate that IWO-based neuromorphic transistors are interesting for neuromorphic applications.

Key words: neuromorphic transistors, synaptic plasticity, oxide-based semiconductors, classical conditioning

中图分类号: (Amorphous semiconductors)

81.05.Gc

85.30.Tv (Field effect devices) 87.19.lg (Synapses: chemical and electrical (gap junctions))

Rui Liu(刘锐), Yongli He(何勇礼), Shanshan Jiang(姜珊珊), Li Zhu(朱力), Chunsheng Chen(陈春生), Ying Zhu(祝影), and Qing Wan(万青). Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor[J]. 中国物理B, 2021, 30(5): 58102-058102.

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Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor

Synaptic plasticity and classical conditioning mimicked in single indium-tungsten-oxide based neuromorphic transistor

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