全聚合物基半导体/铁电体/半导体电学开关行为研究

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"这篇研究论文‘Electrical switching behavior from all-polymer-based system of semiconductor/ferroelectrics/semiconductor’由Yun Li等人撰写,发表于2011年的《应用物理快报》(Applied Physics Letters)98卷第17期,DOI为10.1063/1.3584854。文章探讨了一种全聚合物基的半导体/铁电体/半导体系统中的电学开关行为,这是电阻式存储器的关键特性。" 在当前的电子存储技术中,铁电性由于其能够用作二进制级别的极化状态而备受关注。然而,在无机材料中,导电性和铁电性无法独立调整,这使得采用铁电体的双端口电阻式内存尚未实现。该研究论文提出了一种创新的全聚合物系统,其中包含半导体、铁电体和半导体三层结构。这一系统不仅允许独立控制导电性和铁电性,而且观察到了电气开关行为,这对于电阻式随机存取存储器(ReRAM)的开发至关重要。 论文作者通过实验发现,这种聚合物基的三层结构能展现出电学开关特性,这意味着它们的电阻状态可以通过施加电压进行可逆改变,这是实现非易失性存储器的基本要求。电荷的输运机制和电场对材料内部结构的影响是导致这种电学开关现象的主要原因。这种基于聚合物的系统可能克服了无机材料中导电性和铁电性相互耦合的限制,为设计新型、高性能的存储设备提供了新的途径。 此外,全聚合物材料的使用还带来了其他潜在优势,例如更简单的制造工艺、更好的柔韧性和可能的环保特性。由于聚合物材料的可加工性,可以预见这些组件的集成到微电子设备中将更为容易,且成本可能会降低。同时,这种材料系统的可调性可能允许对器件性能进行精细调控,以满足特定应用的需求。 这篇研究论文揭示了全聚合物体系在半导体/铁电体/半导体结构中的电学开关行为,为发展新型铁电存储器提供了理论基础和实践指导。未来的研究可能会进一步探索这种材料体系的稳定性和寿命,以及如何优化其性能以满足大规模数据存储应用的要求。

WIDE bandgap devices, such as silicon carbide (SiC) metal–oxide–semiconductor field-effect transis- tors (MOSFETs) present superior performance compared to their silicon counterparts [1]. Their lower ON-state resistance and faster switching capability attract lots of interest in high-power- density applications [2]. Faster switching speed enables lower switching loss and higher switching frequency, which is benefi- cial to high-efficiency and high power density. However, severe electromagnetic interference (EMI) and transient overvoltage issues caused by fast switching speed jeopardize the power quality and reliability of converters [3], [4]. Therefore, there is a tradeoff between efficiency and reliability in the choice of switching speed. An optimized design should ensure theoperation within both safe-operation-area and EMI limits, and switching loss should be as small as possible. A prediction method of switching performance is important and helpful for designer to evaluate and optimize converter design. The most concerned switching characteristics are switching loss, dv/dt, di/dt, and turn-ON/OFF overvoltage generally. These characteristics are crucial for the design of heatsink, filter, and gate driver. Related discussions have been presented in many existing research articles as following.请将这一段进行以下要求,Move analysis 语步(内容成分)分析; Language devices和实现该功能的语言手段(某些关键专有名词提供汉语翻译)

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