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All-Flexible Artificial Reflex Arc Based on Threshold-Switching Memristor

2022-03-11

 

Author(s): Wang, DP (Wang, Depeng); Zhao, SF (Zhao, Shufang); Li, LL (Li, Linlin); Wang, LL (Wang, Lili); Cui, SW (Cui, Shaowei); Wang, S (Wang, Shuo); Lou, Z (Lou, Zheng); Shen, GZ (Shen, Guozhen)

Source: ADVANCED FUNCTIONAL MATERIALS Article Number: 2200241 DOI: 10.1002/adfm.202200241 Early Access Date: FEB 2022

Abstract: The simulation of human feelings, perceptions, and actions has become an important application field for medical treatment, human-computer interfaces, and intelligent robots. However, the need for various functional units hinders system integration. A threshold-switching memristor is used as the sympathetic nerve center to simulate an unconditioned reflex. High current nonlinearity (10(6)) is achieved by adopting a nanocontact structure, and high flexibility (bending radius of approximate to 5 mm) is obtained by combining the structure with a flexible polymer film. Furthermore, integrating a flexible sensor and a flexible artificial muscle made of ionic polymer-metal composite allows to form an all-flexible complete reflex arc of an unconditioned reflex. The threshold-switching memristor can provide strain-dependent control through simple control logic, indicating the great potential of adopting threshold-switching memristors for primary neuromorphological control and flexible intelligent medical treatment.

Accession Number: WOS:000755535700001

ISSN: 1616-301X

eISSN: 1616-3028

Full Text: https://onlinelibrary.wiley.com/doi/10.1002/adfm.202200241



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