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Designing Efficient Circuits Based on Runtime-Reconfigurable Field-Effect Transistors
摘要： An early evaluation in terms of circuit design is in order to assess the feasibility and practicability essential aspects for emerging nanotechnologies. Recon?gurable nanotechnologies, such as silicon or germanium nanowire-based recon?gurable ?eld-effect transistors, hold great promise as suitable primitives for enabling multiple functionalities per computational unit. However, contemporary CMOS circuit designs when applied directly with this emerging nanotechnology often result in sub-optimal designs. For example, 31% and 71% larger area was obtained for our two exemplary designs. Hence, new approaches delivering tailored circuit designs are needed to truly tap the exciting feature set of these recon?gurable nanotechnologies. To this effect, we propose six functionally enhanced logic gates based on a recon?gurable nanowire technology and employ these logic gates in ef?cient circuit designs. We carry out a detailed comparative study for a recon?gurable multifunctional circuit, which shows better normalized circuit delay (20.14%), area (32.40%), and activity as the power metric (40%) while exhibiting similar functionality as compared with the CMOS reference design. We further propose a novel design for a 1-bit arithmetic logic unit-based on silicon nanowire recon?gurable FETs with the area, normalized circuit delay, and activity gains of 30%, 34%, and 36%, respectively, as compared with the contemporary CMOS version.
关键词： silicon nanowire (SiNW) transistor,multi-independent gate recon?gurable ?eld-effect transistor,three-independent gate ?eld-effect transistor (TIGFET),Functionally enhanced logic gates
更新于2025-09-04 15:30:14
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Flexible silver nanowire transparent conductive films prepared by an electrostatic adsorption self-assembly process
摘要： In this work, we reported a facile approach to fabricate silver nanowire (AgNW) networks on ?exible substrates. Through immersing the modi?ed poly (ethylene terephthalate) with positively charged functional group into the AgNW dispersion with anionic dispersant, a ?exible AgNW transparent conductive ?lm was formed by electrostatic adsorption self-assembly process. Even without a post-treatment process, the as-prepared ?exible AgNW ?lms exhibited excellent optoelectrical property, low surface roughness and high reliability. It was shown that the insulating dispersant on AgNWs could be effectively removed by an ion bombardment method and then greatly decreased the sheet resistance of AgNW networks. Because of the nature of spontaneous adsorption, this preparation method can be suitable for an arbitrary shaped substrate, which will broaden the application of AgNW conductive ?lms in optoelectronic devices.
关键词： self-assembly,transparent conductive ?lms,silver nanowire,electrostatic adsorption,flexible substrates
更新于2025-09-04 15:30:14