使用SPICE仿真忆阻器阵列的集体电学响应
Collective electrical response of simulated memristive arrays using SPICE
AI总结：
本文利用SPICE仿真研究忆阻器阵列在几何有序及逐步畸变配置下的集体电学响应，揭示理想化阵列已具复杂性，且简单畸变会显著影响电阻状态及其循环演化。
摘要：
自组装结构是解决大规模阵列中忆阻单元密度与连通性提升问题的一种可能方案。尽管自组装能够突破光刻特征尺寸所施加的限制，但高度互连网络的自发形成带来了一个新的挑战：如何表征和控制所获得的组装体。鉴于此类实验实现领域正蓬勃发展，本研究探索了仿真忆阻单元在几何有序及逐步畸变配置下组装时的集体电学响应。我们表明，即使是高度理想化的忆阻器阵列也已表现出一定程度的复杂性，在表征拟用于技术开发的自组装体时必须加以考虑。此外，引入简单畸变对可用的电阻状态及其在循环过程中的演化具有显著影响。针对有限尺寸的阵列，我们还证明集体响应既类似于单个模型的某些方面，同时也展现出其自身的现象学特征。
英文摘要：
Self-assembled structures are possible solutions to the problem of increasing the density and connectivity of memristive units in massive arrays. Although they would allow surpassing the limit imposed by the lithographic feature size, the spontaneous formation of highly interconnected networks poses a new challenge: how to characterize and control the obtained assemblies. In view of a flourishing field of such experimental realizations, this study explores the collective electrical response of simulated memristive units when assembled in geometrically organized and progressively distorted configurations. We show that highly idealized memristive arrays already display a degree of complexity that needs to be taken into account when characterizing self-assemblies to be technologically exploited. Moreover, the introduction of simple distortions has a considerable impact on the available resistance states and their evolution upon cycling. Considering arrays of a limited size, we also demonstrate that the collective response resembles aspects of the individual model while also revealing its own phenomenology.
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