4.8 Review

From Memristive Materials to Neural Networks

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 49, Pages 54243-54265

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c10796

Keywords

memristive materials; synapse; in-memory logic computing; neuromorphic computing; neural network

Funding

  1. Natural Sciences and Engineering Research Council of Canada (NSERC) [RGPIN-2020-050903, GECR-2020-00476]
  2. Canada Research Chairs (CRC) Programs

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The information technologies have been increasing exponentially following Moore's law over the past decades. This has fundamentally changed the ways of work and life. However, further improving data process efficiency is facing great challenges because of physical and architectural limitations. More powerful computational methodologies are crucial to fulfill the technology gap in the post-Moore's law period. The memristor exhibits promising prospects in information storage, high-performance computing, and artificial intelligence. Since the memristor was theoretically predicted by L. O. Chua in 1971 and experimentally confirmed by HP Laboratories in 2008, it has attracted great attention from worldwide researchers. The intrinsic properties of memristors, such as simple structure, low power consumption, compatibility with the complementary metal oxide-semiconductor (CMOS) process, and dual functionalities of the data storage and computation, demonstrate great prospects in many applications. In this review, we cover the memristor-relevant computing technologies, from basic materials to in-memory computing and future prospects. First, the materials and mechanisms in the memristor are discussed. Then, we present the development of the memristor in the domains of the synapse simulating, in-memory logic computing, deep neural networks (DNNs) and spiking neural networks (SNNs). Finally, the existent technology challenges and outlook of the state-of-art applications are proposed.

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