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1,4-Dithiolbenzene, 1,4-dimethanediolbenzene and 4-thioacetylbiphenyl molecular systems: electronic devices with possible applications in molecular electronics

机译:1,4-二苯苯苯,1,4-二甲醇苯苯苯苯和4-硫代乙基苯基分子系统:电子器件具有在分子电子产品中可能的应用

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A theoretical study of the electronic transport properties of the 1,4-dithiolbenzene, 1,4-dimethanediolbenzene and 4-thioacetylbiphenyl molecules coupled to two metal contacts is carried out. The tight binding Hamiltonian approximation is applied to describe each of the molecular systems using the real space renormalization analytical method. Using Green's functions with the Landauer formalism, the transmission probability, current, shot noise and Fano factor of these three systems are calculated and analyzed in order to identify their behavior as insulators, semiconductors, or conductors, and their possible applications, such as quantum wires. The theoretical results are compared with experimental results that have been reported in the literature. The results indicate a high concordance between the results obtained by the proposed method and the experimental results.
机译:进行了1,4-二苯苯,1,4-二甲醇苯苯苯基和4-硫代乙基苯基分子的电子传输性能的理论研究进行了耦合到两个金属触点。施加紧密的哈密顿近似以描述使用真实空间重整分析方法描述每种分子系统。使用绿色的功能与地兰式形式主义,计算和分析这三种系统的传输概率,电流,射击噪声和扇形因子,以便将其行为视为绝缘体,半导体或导体以及它们的可能应用,例如量子线。将理论结果与文献中报道的实验结果进行了比较。结果表明通过该方法和实验结果获得的结果与实验结果所获得的高一致性。

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