忆阻滤波器的实际演示
Practical Demonstration of a Memristive Fuse
摘要：
忆阻熔断器自问世以来，一直是一个很好的例子，说明如何将少量忆阻器组合起来，以获得单个器件无法实现的有用行为。在这项工作中，我们将忆阻熔断器的概念与互补电阻开关（CRS）的概念联系起来，利用这种联系来实验演示使用基于TiOx的ReRAM单元的实用忆阻熔断器，并解释其基本工作原理。引信由相同的脉冲串激励，其中连续的脉冲串具有相反的极性。作为响应，我们观察到电阻状态的逐渐（模拟）下降，然后是逐渐恢复阶段，而不管输入刺激极性如何;这与传统的二进制CRS行为相呼应。这种模拟开关特性开启了将忆阻熔丝作为单组件阶跃变化检测器操作的可能性。此外，我们发现，在这项工作中，用于演示忆阻熔断器概念的单个忆阻器的特性允许我们的熔断器在两个组成设备之一可以在很大程度上独立于另一个设备切换的制度中操作。在传统CRS中不存在的该属性指示固有模拟忆阻熔丝架构可以通过例如允许对其电阻状态的更精细控制来支持附加的操作灵活性。
英文摘要：
Since its inception the memristive fuse has been a good example of how small numbers of memristors can be combined to obtain useful behaviours unachievable by individual devices. In this work, we link the memristive fuse concept with that of the Complementary Resistive Switch (CRS), exploit that link to experimentally demonstrate a practical memristive fuse using TiOx-based ReRAM cells and explain its basic operational principles. The fuse is stimulated by trains of identical pulses where successive pulse trains feature opposite polarities. In response, we observe a gradual (analogue) drop in resistive state followed by a gradual recovery phase regardless of input stimulus polarity; echoing traditional, binary CRS behaviour. This analogue switching property opens the possibility of operating the memristive fuse as a single-component step change detector. Moreover, we discover that the characteristics of the individual memristors used to demonstrate the memristive fuse concept in this work allow our fuse to be operated in a regime where one of the two constituent devices can be switched largely independently from the other. This property, not present in the traditional CRS, indicates that the inherently analogue memristive fuse architecture may support additional operational flexibility through e.g. allowing finer control over its resistive state.
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