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Electronic and mechanical characteristics of stacked dimer molecular junctions

机译:电子和机械的特点堆叠二聚体分子连接

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摘要

Break-junction measurements are typically aimed at characterizing electronic properties of single molecules bound between two metal electrodes. Although these measurements have provided structure-function relationships for such devices, there is little work that studies the impact of molecule-molecule interactions on junction characteristics. Here, we use a scanning tunneling microscope based break-junction technique to study pi-stacked dimer junctions formed with two amine-terminated conjugated molecules. We show that the conductance, force and flicker noise of such dimers differ dramatically when compared with the corresponding monomer junctions and discuss the implications of these results on intra-and inter-molecular charge transport.
机译:Break-junction测量通常旨在描述单电子的性质分子绑定两个金属电极之间。虽然这些测量提供了结构关系等研究了设备,几乎没有工作molecule-molecule交互作用的影响结的特点。穿隧显微镜基础break-junction技术研究pi-stacked二聚体连接形成两个amine-terminated共轭分子。和闪烁噪声的二聚体是不同的极大地与相应的相比单体连接并讨论的意义这些结果在分子间、分子电荷交通工具。

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