Operating Mechanism Principles and Advancements for Halide Perovskite-Based Memristors and Neuromorphic Devices

IF 4.8 2区化学 Q2 CHEMISTRY, PHYSICAL

The Journal of Physical Chemistry Letters Pub Date : 2024-09-27 DOI:10.1021/acs.jpclett.4c02170

So-Yeon Kim, Heyi Zhang, Jenifer Rubio-Magnieto

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Abstract

With the advent of the generation of artificial intelligence (AI) based on big data-processing technologies, next-generation memristor and memristive neuromorphic devices have been actively studied with great interest to overcome the von Neumann bottleneck limits. Among various candidates, halide perovskites (HPs) have been in the spotlight as potential candidates for these devices due to their unique switching characteristics with low energy consumption and flexible integration compatibility across various sources for scalability. We outline the characteristics and operating principles of HP-based memristors and their neuromorphic devices. We explain filamentary- and interface-type switching according to the type of conducting pathway occurring inside the active HP layer and the operating mechanisms depending on the species that make up this conducting pathway. We summarize the types and mechanisms of current changes beneficial for neuromorphic device applications and finally organize various suggested analysis tools and physical models to enable experimental determination of switching mechanisms from various perspectives.

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基于卤化物过氧化物的记忆晶体和神经形态设备的运行机制原理与进展

随着以大数据处理技术为基础的人工智能（AI）时代的到来，人们对下一代忆阻器和忆阻神经形态器件进行了积极研究，以克服冯-诺依曼瓶颈限制。在各种候选器件中，卤化物过氧化物（HPs）因其独特的开关特性、低能耗和灵活的集成兼容性而成为这些器件的潜在候选器件。我们概述了基于 HP 的忆阻器及其神经形态器件的特性和工作原理。我们根据有源 HP 层内部的导电通路类型以及构成导电通路的物种所决定的运行机制，解释了丝状开关和界面开关。我们总结了有利于神经形态器件应用的电流变化类型和机制，最后整理了各种建议的分析工具和物理模型，以便从不同角度对开关机制进行实验测定。

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来源期刊

The Journal of Physical Chemistry Letters CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

9.60

自引率

7.00%

发文量

1519

审稿时长

1.6 months

期刊介绍： The Journal of Physical Chemistry (JPC) Letters is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, chemical physicists, physicists, material scientists, and engineers. An important criterion for acceptance is that the paper reports a significant scientific advance and/or physical insight such that rapid publication is essential. Two issues of JPC Letters are published each month.