科研之友
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摘要
Based on non-equilibrium Green's function formalism and density functional theory calculations, we investigate the spin-polarized transport properties of a Co-coordination complex between two gold electrodes, in which a Co ion is trapped between two 4-mercaptopyridine molecules. Our results demonstrate that the transmission spectra of the system show distinctive features in the spin-up and spin-down channels. Moreover, the current-voltage curves confirm that the system can exhibit robust spin-filtering effect at finite bias voltage, giving the system potential in molecular spintronics applications.
