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- W2611316506 abstract "The current density in molecular wires connected to contacts is investigated within the nonequilibrium Green's function formalism combined with the Landauer approach. Energy‐dependent and total current density through a series of molecular junctions are calculated in real space representation. A rich variety of current patterns including pronounced ring currents (“vortices”) are found even in the defect‐free minimal building blocks of molecular devices. The influences of contact positions, functional groups as well as atomic defects on the transport properties are examined systematically for prototypical ortho‐, meta‐, and para‐substituted benzenes as well as heteroaromatic systems. It is found that substitutional functional groups mainly shift the molecular levels and retain characteristic transport channels, while a significant change of electronic pathways and conductance is induced by hetero‐aromaticity. The current distribution is used to calculate the static magnetic field distribution in the carbon‐based conductors. © 2017 Wiley Periodicals, Inc." @default.
- W2611316506 created "2017-05-12" @default.
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- W2611316506 date "2017-05-07" @default.
- W2611316506 modified "2023-10-17" @default.
- W2611316506 title "Current density analysis of electron transport through molecular wires in open quantum systems" @default.
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- W2611316506 doi "https://doi.org/10.1002/jcc.24812" @default.
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