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<p>Nanotechnology has revolutionized circuit design by enabling highly efficient and compact components. Central to this innovation is the two-input NOR logic gate, a universal element in logic circuits that facilitates the construction of diverse logic configurations. Its versatility plays a pivotal role in digital logic design, particularly within the realm of molecular transistor technology, where miniaturization and efficiency are paramount. In this paper, a novel device is presented based on the Oligo (phenylene ethynylene) (OPE) molecule. OPE molecules offers significant advantages in digital circuits due to their superior electronic properties, nanoscale size, self-assembling capabilities, and tunable characteristics. By leveraging this intriguing feature of the proposed dual-gate molecular transistor, a two-input NOR logic gate is realized. The study employs advanced simulation techniques, including Non-Equilibrium Green’s Function formalism and density functional theory, to model quantum transport properties. Insights gained from these simulations elucidate the performance and reliability of molecular transistors under varying operational conditions, advancing our understanding of their potential in future nanoelectronics applications.</p>

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A novel two-input NOR logic gate using a dual-gate field effect transistor based on an OPE molecule

  • 期刊论文

  • 发表日期：

    2025年2月25日

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  • Masoumeh Tirgar Fakheri,
  • Mohammad A. Tehrani,
  • Keivan Navi

摘要

Nanotechnology has revolutionized circuit design by enabling highly efficient and compact components. Central to this innovation is the two-input NOR logic gate, a universal element in logic circuits that facilitates the construction of diverse logic configurations. Its versatility plays a pivotal role in digital logic design, particularly within the realm of molecular transistor technology, where miniaturization and efficiency are paramount. In this paper, a novel device is presented based on the Oligo (phenylene ethynylene) (OPE) molecule. OPE molecules offers significant advantages in digital circuits due to their superior electronic properties, nanoscale size, self-assembling capabilities, and tunable characteristics. By leveraging this intriguing feature of the proposed dual-gate molecular transistor, a two-input NOR logic gate is realized. The study employs advanced simulation techniques, including Non-Equilibrium Green’s Function formalism and density functional theory, to model quantum transport properties. Insights gained from these simulations elucidate the performance and reliability of molecular transistors under varying operational conditions, advancing our understanding of their potential in future nanoelectronics applications.