Computational Investigation of Quantum Transport to Design Single-Strand DNA Logic Gate Using Silicon Carbide Nanotube Electrode

Pradipta Roy, Debarati Dey

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    The DNA-based logic circuit has emerged as a potential member for the next-generation ultralow power application due to its rapid self-assemble technique, enormous parallelism, compatibility with various organic and inorganic molecules, and energy efficiency. Density functional theory coupled with non-equilibrium Green’s function-based first principle approach is used in the investigation of quantum scattering transmission property of a single-strand DNA-based logic device using silicon carbide nanotube as electrodes at room temperature. The single-strand DNA nano-logic circuit exhibits high tunneling current in forward and reverse bias conditions for ± 1 V bias voltages. This proposed model can be exploited as bio-inspired logic circuit in future generation devices due to its satisfactory current–voltage response and the nature of resistance.

    Original languageEnglish
    JournalIETE Journal of Research
    DOIs
    Publication statusE-pub ahead of print - 14 May 2019

    Keywords

    • Bio logic gate
    • DFT
    • NEGF
    • SiC
    • quantum transport
    • ssDNA

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