Bioinspired gas-receptor synergistic interaction for high-performance two-dimensional neuromorphic devices

IF 17.3 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Matter Pub Date : 2025-03-17 DOI:10.1016/j.matt.2025.102044

Bochen Zhao, Zeqin Xin, Yi-Chi Wang, Chenghui Wu, Wenxin Wang, Run Shi, Ruixuan Peng, Yonghuang Wu, Longlong Xu, Ting Pan, Zonglin Li, Lin Gu, Kai Liu

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引用次数: 0

Abstract

Two-dimensional (2D) transition-metal dichalcogenide (TMDC)-based artificial synaptic devices are promising for neuromorphic computing. However, 2D TMDCs are difficult to heavily dope reversibly, which limits their resistive switching performances. Inspired by the biological gas-receptor signaling pathway, we report a gas (H₂O)-receptor (defect) synergistic interaction (GRSI) mechanism to greatly enhance the resistive switching capabilities of 2D TMDC-based memristors by over 10,000 times. Employing the GRSI, the synaptic device emulates multiple synaptic plasticities and exhibits outstanding long-term potentiation and depression with a large dynamic range (>200), multiple resistance states (2⁸ levels), and ultralow programming/reading powers (P_prog < 100 pW, P_read < 1 pW). As an artificial nociceptor, the device precisely simulates characteristic behaviors of biological nociceptors. More importantly, the GRSI is universally applicable to various 2D TMDCs including MoS₂, WS₂, SnS₂, and ReS₂. This work provides a bioinspired solution to high-performance, multifunctional 2D neuromorphic devices, stepping further toward their practical applications.

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基于二维过渡金属二卤化物（TMDC）的人工突触器件在神经形态计算领域大有可为。然而，二维 TMDC 难以可逆地大量掺杂，从而限制了其电阻开关性能。受生物气体受体信号通路的启发，我们报告了一种气体（H2O）-受体（缺陷）协同作用（GRSI）机制，该机制可将基于二维 TMDC 的忆阻器的电阻开关能力大大提高 10,000 倍以上。利用 GRSI 机制，该突触器件可模拟多种突触可塑性，并以较大的动态范围（>200）、多种电阻状态（28 级）和超低的编程/读取功率（Pprog < 100 pW，Pread < 1 pW）表现出出色的长期延时和抑制能力。作为一种人造痛觉感受器，该装置可以精确模拟生物痛觉感受器的特征行为。更重要的是，GRSI 普遍适用于各种二维 TMDC，包括 MoS2、WS2、SnS2 和 ReS2。这项工作为高性能、多功能二维神经形态器件提供了一种生物启发解决方案，进一步推动了器件的实际应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Matter MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

26.30

自引率

2.60%

发文量

367

期刊介绍： Matter, a monthly journal affiliated with Cell, spans the broad field of materials science from nano to macro levels,covering fundamentals to applications. Embracing groundbreaking technologies,it includes full-length research articles,reviews, perspectives,previews, opinions, personnel stories, and general editorial content. Matter aims to be the primary resource for researchers in academia and industry, inspiring the next generation of materials scientists.