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Memristive Non-Volatile Memory Based on Graphene Materials

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Department of Electrical and Electronic Engineering, Xi’an Jiaotong–Liverpool University, Suzhou 215123, China
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Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3BX, UK
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School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710061, China
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Department of Chemistry, Xi’an Jiaotong–Liverpool University, Suzhou 215123, China
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Department of Chemistry, University of Liverpool, Liverpool L69 3BX, UK
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Author to whom correspondence should be addressed.
Micromachines 2020, 11(4), 341; https://doi.org/10.3390/mi11040341 (registering DOI)
Received: 30 January 2020 / Revised: 14 March 2020 / Accepted: 21 March 2020 / Published: 25 March 2020
(This article belongs to the Special Issue Flexible and Printable Graphene Electronics)
Resistive random access memory (RRAM), which is considered as one of the most promising next-generation non-volatile memory (NVM) devices and a representative of memristor technologies, demonstrated great potential in acting as an artificial synapse in the industry of neuromorphic systems and artificial intelligence (AI), due its advantages such as fast operation speed, low power consumption, and high device density. Graphene and related materials (GRMs), especially graphene oxide (GO), acting as active materials for RRAM devices, are considered as a promising alternative to other materials including metal oxides and perovskite materials. Herein, an overview of GRM-based RRAM devices is provided, with discussion about the properties of GRMs, main operation mechanisms for resistive switching (RS) behavior, figure of merit (FoM) summary, and prospect extension of GRM-based RRAM devices. With excellent physical and chemical advantages like intrinsic Young’s modulus (1.0 TPa), good tensile strength (130 GPa), excellent carrier mobility (2.0 × 105 cm2∙V−1∙s−1), and high thermal (5000 Wm−1∙K−1) and superior electrical conductivity (1.0 × 106 S∙m−1), GRMs can act as electrodes and resistive switching media in RRAM devices. In addition, the GRM-based interface between electrode and dielectric can have an effect on atomic diffusion limitation in dielectric and surface effect suppression. Immense amounts of concrete research indicate that GRMs might play a significant role in promoting the large-scale commercialization possibility of RRAM devices. View Full-Text
Keywords: non-volatile; memristor; graphene-based materials; operation mechanisms non-volatile; memristor; graphene-based materials; operation mechanisms
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MDPI and ACS Style

Shen, Z.; Zhao, C.; Qi, Y.; Mitrovic, I.Z.; Yang, L.; Wen, J.; Huang, Y.; Li, P.; Zhao, C. Memristive Non-Volatile Memory Based on Graphene Materials. Micromachines 2020, 11, 341.

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