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Solid-State Electrochemical Process and Performance Optimization of Memristive Materials and Devices

by Wuhong Xue 1, Xiao-Hong Xu 1,* and Gang Liu 2,*
1
Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, School of Chemistry and Materials Science, Shanxi Normal University, Linfen, Shanxi 041004, China
2
School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
*
Authors to whom correspondence should be addressed.
Chemistry 2019, 1(1), 44-68; https://doi.org/10.3390/chemistry1010005
Received: 18 February 2019 / Revised: 10 March 2019 / Accepted: 15 March 2019 / Published: 21 March 2019
As an emerging technology, memristors are nanoionic-based electrochemical systems that retains their resistance state based on the history of the applied voltage/current. They can be used for on-chip memory and storage, biologically inspired computing, and in-memory computing. However, the underlying physicochemical processes of memristors still need deeper understanding for the optimization of the device properties to meet the practical application requirements. Herein, we review recent progress in understanding the memristive mechanisms and influential factors for the optimization of memristive switching performances. We first describe the working mechanisms of memristors, including the dynamic processes of active metal ions, native oxygen ions and other active ions in ECM cells, VCM devices and ion gel-based devices, and the switching mechanisms in organic devices, along with discussions on the influential factors of the device performances. The optimization of device properties by electrode/interface engineering, types/configurations of dielectric materials and bias scheme is then illustrated. Finally, we discuss the current challenges and the future development of the memristor. View Full-Text
Keywords: memristor; conduction mechanisms; influence factors of memristive performances memristor; conduction mechanisms; influence factors of memristive performances
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Xue, W.; Xu, X.-H.; Liu, G. Solid-State Electrochemical Process and Performance Optimization of Memristive Materials and Devices. Chemistry 2019, 1, 44-68.

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