Pr0.7Ca0.3MnO3-Based Three-Terminal Synapse for Neuromorphic Computing

被引：27

作者：

Lee, Chuljun ^{[1
]}

Rajput, Krishn Gopal ^{[1
]}

Choi, Wooseok ^{[1
]}

Kwak, Myonghoon ^{[1
]}

Nikam, Revannath Dnyandeo ^{[1
]}

Kim, Seyoung ^{[1
]}

Hwang, Hyunsang ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol POSTECH, Dept Mat Sci & Engn, Pohang 790784, South Korea

来源：

IEEE ELECTRON DEVICE LETTERS | 2020年 / 41卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

Ions; Logic gates; Neuromorphics; Synapses; Annealing; Linearity; Training; Neuromorphic; synapse device; three terminal; PCMO; oxygen; linearity; electrochemical;

D O I：

10.1109/LED.2020.3019938

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, we report an all-solid-state Pr-0.7 Ca0.3MnO3 (PCMO)-based three-terminal synapse device for neuromorphic computing. In this device structure, PCMO channel conductance can be precisely tuned to analog levels by modulating the O ion concentration in the channel using identical voltage pulses. It allows for the realization of excellent synaptic characteristics such as linear and symmetric conductance changes and stable conductance states. These properties are important to achieve nearly ideal performance of neuromorphic system and avoid complex system architecture. The obtained results strongly suggest that PCMO is a promising channel material to realize attractive synapse device for advanced neuromorphic computing.

引用

页码：1500 / 1503

页数：4

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