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Flexible Polymer Device Based on Parylene-C with Memory and Temperature Sensing Functionalities

机译:基于Parylene-C的具有存储和温度感应功能的柔性聚合物装置

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摘要

Polychloro-para-xylylene (parylene-C) is a flexible and transparent polymer material which has excellent chemical stability and high biocompatibility. Here we demonstrate a polymer device based on single-component parylene-C with memory and temperature sensing functionalities. The device shows stable bipolar resistive switching behavior, remarkable storage window (>104), and low operation voltages, exhibiting great potential for flexible resistive random-access memory (RRAM) applications. The I-V curves and conductive atomic force microscopy (CAFM) results verify the metallic filamentary-type switching mechanism based on the formation and dissolution of a metal bridge related to the redox reaction of the active metal electrode. In addition, due to the metallic properties of the low-resistance state (LRS) in the polymer device, the resistance in the LRS exhibits a nearly linear relationship at the temperature regime between 25 °C and 100 °C. With a temperature coefficient of resistance (TCR) of 2.136 × 10−3/°C, the device is also promising for the flexible temperature sensor applications.
机译:聚氯对二甲苯(parylene-C)是一种柔性透明的聚合物材料,具有出色的化学稳定性和高生物相容性。在这里,我们演示了一种基于单组分聚对二甲苯-C的聚合物器件,具有存储和温度感应功能。该器件具有稳定的双极性电阻开关性能,出色的存储窗口(> 10 4 )和低工作电压,为灵活的电阻式随机存取存储器(RRAM)应用展示了巨大的潜力。 I-V曲线和导电原子力显微镜(CAFM)结果基于与活性金属电极的氧化还原反应有关的金属桥的形成和溶解,验证了金属丝状开关机制。另外,由于聚合物器件中低电阻状态(LRS)的金属特性,LRS中的电阻在25°C和100°C之间的温度范围内表现出几乎线性的关系。电阻温度系数(TCR)为2.136×10 -3 /°C,该器件也有望用于柔性温度传感器应用。

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